Grafana - Linux

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at all. You can get per core usage at the CPUs section and per application usage at the Applications monitoring section.\n\nKeep an eye on iowait. If it is constantly high, your disks are a bottleneck and they slow your system down.\n\nAn important metric worth monitoring, is softirq. A constantly high percentage of softirq may indicate network driver issues.”, “fill”: 5, “gridPos”: { “h”: 6, “w”: 24, “x”: 0, “y”: 9 }, “id”: 8, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideEmpty”: false, “hideZero”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “sideWidth”: null, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_cpu_percentage_average{dimension!~"idle",instance="$instance"}”, “format”: “time_series”, “instant”: false, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Total CPU utilization”, “tooltip”: { “shared”: true, “sort”: 2, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “percent”, “label”: “”, “logBase”: 1, “max”: “100”, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: CPU”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 9 }, “id”: 37, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Current system load, i.e. the number of processes using CPU or waiting for system resources (usually CPU and disk). The 3 metrics refer to 1, 5 and 15 minute averages. The system calculates this once every 5 seconds.\n\nFor more information check this Wikipedia article”, “fill”: 1, “gridPos”: { “h”: 6, “w”: 24, “x”: 0, “y”: 10 }, “id”: 11, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideEmpty”: false, “hideZero”: false, “max”: true, “min”: true, “rightSide”: true, “show”: true, “sideWidth”: null, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_load_load_average{dimension!="load15",instance="$instance"}”, “format”: “time_series”, “instant”: false, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” }, { “expr”: “netdata_system_load_load_average{dimension="load15",instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “B” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System load average”, “tooltip”: { “shared”: true, “sort”: 2, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: load”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 10 }, “id”: 39, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Total Disk I/O, for all physical disks. You can get detailed information about each disk at the Disks section and per application Disk usage at the Applications Monitoring section.\n\nPhysical are all the disks that are listed in /sys/block, but do not exist in /sys/devices/virtual/block.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 4 }, “id”: 13, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_io_KiB_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk I/O”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “KBs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Memory paged from/to disk. This is usually the total disk I/O of the system.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 4 }, “id”: 14, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_pgpgio_KiB_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Memory paged from/to disk”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “KBs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: disk”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 11 }, “id”: 41, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “System Random Access Memory (i.e. physical memory) usage.”, “fill”: 5, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 5 }, “id”: 16, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ram_MiB_average{dimension!="free",instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” }, { “expr”: “netdata_system_ram_MiB_average{dimension="free",instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “B” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System RAM”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “decmbytes”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: RAM”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 12 }, “id”: 43, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “System swap memory usage. Swap space is used when the amount of physical memory (RAM) is full. When the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space (usually a disk, a disk partition or a file).”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 6 }, “id”: 18, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_swap_MiB_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System swap”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “decmbytes”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Total Swap I/O. (netdata measures both in and out. If either of them is not shown in the chart, it is because it is zero - you can change the page settings to always render all the available dimensions on all charts).”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 6 }, “id”: 20, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_swapio_KiB_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Swap I/O”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “KBs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: swap”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 13 }, “id”: 45, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Total IPv4 Traffic.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 7 }, “id”: 24, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: false, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ip_kilobits_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 bandwidth”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “KBs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Total IPv6 Traffic.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 7 }, “id”: 25, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ipv6kilobits_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv6 bandwidth”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “KBs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: network”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 14 }, “id”: 47, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “System processes. Running are the processes in the CPU. Blocked are processes that are willing to enter the CPU, but they cannot, e.g. because they wait for disk activity.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 8 }, “id”: 29, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_processes_processes_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System processes”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “processes”, “logBase”: 1, “max”: null, “min”: “-1”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Number of new processes created.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 8 }, “id”: 31, “legend”: { “avg”: false, “current”: false, “max”: false, “min”: false, “show”: false, “total”: false, “values”: false }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_forks_processes_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Started processes”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “processes/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “All system processes.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 15 }, “id”: 33, “legend”: { “avg”: false, “current”: false, “max”: false, “min”: false, “show”: false, “total”: false, “values”: false }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_active_processes_processes_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System active processes”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “processes”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Context Switches, is the switching of the CPU from one process, task or thread to another. If there are many processes or threads willing to execute and very few CPU cores available to handle them, the system is making more context switching to balance the CPU resources among them. The whole process is computationally intensive. The more the context switches, the slower the system gets.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 15 }, “id”: 35, “legend”: { “avg”: false, “current”: false, “max”: false, “min”: false, “show”: false, “total”: false, “values”: false }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ctxt_context_switches_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU context switches”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “context switches/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: processes”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 15 }, “id”: 49, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Idle jitter is calculated by netdata. A thread is spawned that requests to sleep for a few microseconds. When the system wakes it up, it measures how many microseconds have passed. The difference between the requested and the actual duration of the sleep, is the idle jitter. This number is useful in real-time environments, where CPU jitter can affect the quality of the service (like VoIP media gateways).”, “fill”: 1, “gridPos”: { “h”: 6, “w”: 24, “x”: 0, “y”: 9 }, “id”: 51, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_idlejitter_microseconds_lost_persec_average{instance="$instance"}”, “format”: “time_series”, “instant”: false, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU idle jitter”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “µs”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: idle jitter”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 16 }, “id”: 59, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “Total number of CPU interrupts. Check the system interrupts graph that gives more detail about each interrupt and also the _CPUs section where interrupts are analyzed per CPU core.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 11, “x”: 0, “y”: 10 }, “id”: 55, “legend”: { “alignAsTable”: false, “avg”: false, “current”: false, “max”: false, “min”: false, “rightSide”: false, “show”: false, “total”: false, “values”: false }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_intr_interrupts_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU interrupts”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “interrupts/s”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “CPU interrupts in detail. At the CPUs section, interrupts are analyzed per CPU core.”, “fill”: 5, “gridPos”: { “h”: 7, “w”: 13, “x”: 11, “y”: 10 }, “id”: 57, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_interrupts_interrupts_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System interrupts”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “interrupts/s”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: interrupts”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 17 }, “id”: 63, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “datasource”: “Prometheus”, “description”: “CPU softirqs in detail. At the CPUs section, softirqs are analyzed per CPU core.”, “fill”: 5, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 11 }, “id”: 113, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_softirqs_softirqs_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System softirqs”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “softirqs/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: softirqs”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 18 }, “id”: 67, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Statistics for CPUs SoftIRQs related to network receive work.\n\nBreak down per CPU core can be found at CPU / softnet statistics. processed states the number of packets processed, dropped is the number packets dropped because the network device backlog was full (to fix them on Linux use sysctl to increase net.core.netdev_max_backlog), squeezed is the number of packets dropped because the network device budget ran out (to fix them on Linux use sysctl to increase net.core.netdev_budget).\n\nMore information about identifying and troubleshooting network driver related issues can be found at Red Hat Enterprise Linux Network Performance Tuning Guide.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 12 }, “id”: 122, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_softnet_stat_events_persec_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “System softnet_stat”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “events/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: softnet”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 19 }, “id”: 71, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Entropy, is a pool of random numbers (/dev/random) that is mainly used in cryptography.\n\nIf the pool of entropy gets empty, processes requiring random numbers may run a lot slower (it depends on the interface each program uses), waiting for the pool to be replenished. Ideally a system with high entropy demands should have a hardware device for that purpose (TPM is one such device).\n\nThere are also several software-only options you may install, like haveged, although these are generally useful only in servers.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 13 }, “id”: 69, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_entropy_entropy_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Available entropy”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “entropy”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: entropy”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 20 }, “id”: 77, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 14 }, “id”: 73, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “max”: false, “min”: false, “rightSide”: false, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ipc_semaphore_arrays_arrays_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPC semaphore arrays”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “arrays”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 14 }, “id”: 75, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “max”: false, “min”: false, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_system_ipc_semaphores_semaphores_average{instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPC semaphores”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “semaphores”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “System overview: IPC semaphores”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 21 }, “id”: 100, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “”, “fill”: 5, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 15 }, “id”: 92, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “maxPerRow”: 2, “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “repeat”: “cpu”, “repeatDirection”: “h”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_cpu_interrupts_interrupts_persec_average{chart=~"cpu.cpu._interrupts",instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU interrupts ($cpu)”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “interrupts/s”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “”, “fill”: 5, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 15 }, “id”: 61, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “maxPerRow”: 2, “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “repeat”: “cpu”, “repeatDirection”: “h”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_cpu_softirqs_softirqs_persec_average{chart=~"cpu.cpu.softirqs",instance="$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU softirqs ($cpu)”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “softirqs/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 22 }, “id”: 132, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_cpu_core_throttling_events_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Core thermal throttling events”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: 0, “format”: “short”, “label”: “events/s”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “CPUs details”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 22 }, “id”: 127, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 16 }, “id”: 65, “legend”: { “alignAsTable”: true, “avg”: false, “current”: true, “hideZero”: true, “max”: false, “min”: false, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “maxPerRow”: 2, “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “repeat”: “cpu”, “repeatDirection”: “h”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_cpu_softnet_stat_events_persec_average{chart=~"cpu.cpu.*_softnet_stat",instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “Processed”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “CPU softnet_stat ($cpu)”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: “events/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “CPUs: softnet”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 23 }, “id”: 146, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “decimals”: 3, “description”: “Available Memory is estimated by the kernel, as the amount of RAM that can be used by userspace processes, without causing swapping.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 17 }, “id”: 140, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_available_MiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Available RAM for applications”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: 0, “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “decimals”: 3, “description”: “Committed Memory, is the sum of all memory which has been allocated by processes.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 17 }, “id”: 142, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_committed_MiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Committed (allocated) memory”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: 0, “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “A page fault is a type of interrupt, called trap, raised by computer hardware when a running program accesses a memory page that is mapped into the virtual address space, but not actually loaded into main memory.\n\nIf the page is loaded in memory at the time the fault is generated, but is not marked in the memory management unit as being loaded in memory, then it is called a minor or soft page fault.\n\nA major page fault is generated when the system needs to load the memory page from disk or swap memory.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 24 }, “id”: 144, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_pgfaults_faults_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Memory page faults”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “page faults”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “Memory: system”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 24 }, “id”: 152, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Dirty is the amount of memory waiting to be written to disk. Writeback is how much memory is actively being written to disk.”, “fill”: 1, “gridPos”: { “h”: 8, “w”: 12, “x”: 0, “y”: 18 }, “id”: 148, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideZero”: true, “max”: true, “min”: true, “rightSide”: false, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_writeback_MiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Writeback memory”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The total amount of memory being used by the kernel. Slab is the amount of memory used by the kernel to cache data structures for its own use. KernelStack is the amount of memory allocated for each task done by the kernel. PageTables is the amount of memory decicated to the lowest level of page tables (A page table is used to turn a virtual address into a physical memory address). VmallocUsed is the amount of memory being used as virtual address space.”, “fill”: 5, “gridPos”: { “h”: 8, “w”: 12, “x”: 12, “y”: 18 }, “id”: 150, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideZero”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_kernel_MiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Memory used by kernel”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “Memory: kernel”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 25 }, “id”: 156, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Reclaimable is the amount of memory which the kernel can reuse. Unreclaimable can not be reused even when the kernel is lacking memory.”, “fill”: 5, “gridPos”: { “h”: 6, “w”: 24, “x”: 0, “y”: 19 }, “id”: 154, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_mem_slab_MiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Reclaimable kernel memory”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “Memory: slab”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 26 }, “id”: 178, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Amount of data transferred to and from disk.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 20 }, “id”: 158, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_io_KiB_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk I/O bandwidth”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “decmbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Completed disk I/O operations. Keep in mind the number of operations requested might be higher, since the system is able to merge adjacent to each other (see merged operations chart).”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 20 }, “id”: 160, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_ops_operations_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk completed I/O operations”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “operations/s”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “I/O operations currently in progress. This metric is a snapshot - it is not an average over the last interval.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 27 }, “id”: 162, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_qops_operations_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk current I/O operations”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “operations”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Backlog is an indication of the duration of pending disk operations. On every I/O event the system is multiplying the time spent doing I/O since the last update of this field with the number of pending operations. While not accurate, this metric can provide an indication of the expected completion time of the operations in progress.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 27 }, “id”: 164, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_backlog_milliseconds_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk backlog”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “ms”, “label”: “”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Disk Utilization measures the amount of time the disk was busy with something. This is not related to its performance. 100% means that the system always had an outstanding operation on the disk.\n\nKeep in mind that depending on the underlying technology of the disk, 100% here may or may not be an indication of congestion.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 34 }, “id”: 166, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_util_of_time_working_average{instance=~"$instance"}”, “format”: “time_series”, “instant”: false, “interval”: “”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk utilization time”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “percent”, “label”: “% of time working”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The average time for I/O requests issued to the device to be served. This includes the time spent by the requests in queue and the time spent servicing them.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 34 }, “id”: 168, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_await_milliseconds_operation_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Average completed I/O operation time”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “ms”, “label”: “ms per operation”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The average I/O operation size.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 41 }, “id”: 170, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_avgsz_KiB_operation_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Average completed I/O operation bandwidth”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “deckbytes”, “label”: “kilobytes per operation”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The average service time for completed I/O operations. This metric is calculated using the total busy time of the disk and the number of completed operations. If the disk is able to execute multiple parallel operations the reporting average service time will be misleading.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 41 }, “id”: 172, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_svctm_milliseconds_operation_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Average service time”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “ms”, “label”: “ms per operation”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The number of merged disk operations. The system is able to merge adjacent I/O operations, for example two 4KB reads can become one 8KB read before given to disk.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 48 }, “id”: 174, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_mops_merged_operations_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk merged operations”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “none”, “label”: “merged operations”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The sum of the duration of all completed I/O operations. This number can exceed the interval if the disk is able to execute I/O operations in parallel.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 48 }, “id”: 176, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_iotime_milliseconds_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk total I/O time”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “ms”, “label”: “”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “repeat”: “disk”, “title”: “Disks:”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 27 }, “id”: 185, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “Disk space utilization. reserved for root is automatically reserved by the system to prevent the root user from getting out of space.”, “fill”: 5, “gridPos”: { “h”: 8, “w”: 12, “x”: 0, “y”: 21 }, “id”: 183, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: false, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “maxPerRow”: 2, “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “repeat”: null, “repeatDirection”: “h”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_space_GiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk space usage”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “gbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “inodes (or index nodes) are filesystem objects (e.g. files and directories).\n\nOn many types of file system implementations, the maximum number of inodes is fixed at filesystem creation, limiting the maximum number of files the filesystem can hold. It is possible for a device to run out of inodes.\n\nWhen this happens, new files cannot be created on the device, even though there may be free space available.”, “fill”: 5, “gridPos”: { “h”: 8, “w”: 12, “x”: 12, “y”: 21 }, “id”: 195, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: false, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_disk_inodes_inodes_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “ “, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “Disk files (inodes) usage”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “none”, “label”: “inodes”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “repeat”: “fs”, “title”: “Disks: filesystem”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 28 }, “id”: 264, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 22 }, “id”: 262, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_sockstat_sockets_sockets_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 sockets used”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “sockets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 29 }, “id”: 283, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideZero”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_packets_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 packets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 5, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 36 }, “id”: 304, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_errors_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 errors”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 5, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 36 }, “id”: 306, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ip_inerrors_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 input errors”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “IPv4 networking:”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 29 }, “id”: 364, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 23 }, “id”: 327, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideEmpty”: false, “hideZero”: false, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_sockstat_tcp_sockets_sockets_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP sockets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “sockets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “The number of established TCP connections (known as CurrEstab). This is a snapshot of the established connections at the time of measurement (i.e. a connection established and a connection disconnected within the same iteration will not affect this metric).”, “fill”: 1, “gridPos”: { “h”: 8, “w”: 12, “x”: 0, “y”: 30 }, “id”: 329, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcpsock_active_connections_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP connections”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “active connections”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “active or ActiveOpens is the number of outgoing TCP connections attempted by this host. passive or PassiveOpens is the number of incoming TCP connections accepted by this host.”, “fill”: 1, “gridPos”: { “h”: 8, “w”: 12, “x”: 12, “y”: 30 }, “id”: 331, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcpopens_connections_persec_average{instance=~"$instance"}”, “format”: “time_series”, “interval”: “”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP opens”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “connections”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 8, “w”: 12, “x”: 0, “y”: 38 }, “id”: 350, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcppackets_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP packets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “InErrs is the number of TCP segments received in error (including header too small, checksum errors, sequence errors, bad packets - for both IPv4 and IPv6). InCsumErrors is the number of TCP segments received with checksum errors (for both IPv4 and IPv6). RetransSegs is the number of TCP segments retransmitted.”, “fill”: 5, “gridPos”: { “h”: 8, “w”: 12, “x”: 12, “y”: 38 }, “id”: 352, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcperrors_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP errors”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “TCP connection aborts.\n\nbaddata (TCPAbortOnData) happens while the connection is on FIN_WAIT1 and the kernel receives a packet with a sequence number beyond the last one for this connection - the kernel responds with RST (closes the connection).\n\nuserclosed (TCPAbortOnClose) happens when the kernel receives data on an already closed connection and responds with RST.\n\nnomemory (TCPAbortOnMemory happens when there are too many orphaned sockets (not attached to an fd) and the kernel has to drop a connection - sometimes it will send an RST, sometimes it won’t.\n\ntimeout (TCPAbortOnTimeout) happens when a connection times out.\n\nlinger (TCPAbortOnLinger) happens when the kernel killed a socket that was already closed by the application and lingered around for long enough.\n\nfailed (TCPAbortFailed) happens when the kernel attempted to send an RST but failed because there was no memory available.”, “fill”: 1, “gridPos”: { “h”: 7, “w”: 24, “x”: 0, “y”: 46 }, “id”: 356, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “rightSide”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcpconnaborts_connections_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “TCP connection aborts”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “connections”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “description”: “EstabResets is the number of established connections resets (i.e. connections that made a direct transition from ESTABLISHED or CLOSE_WAIT to CLOSED).\n\nOutRsts is the number of TCP segments sent, with the RST flag set (for both IPv4 and IPv6).\n\nAttemptFails is the number of times TCP connections made a direct transition from either SYN_SENT or SYN_RECV to CLOSED, plus the number of times TCP connections made a direct transition from the SYN_RECV to LISTEN.\n\nTCPSynRetrans shows retries for new outbound TCP connections, which can indicate general connectivity issues or backlog on the remote host.”, “fill”: 5, “gridPos”: { “h”: 11, “w”: 12, “x”: 0, “y”: 53 }, “id”: 354, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideZero”: false, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcphandshake_events_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP handshake issues”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “events”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 11, “w”: 12, “x”: 12, “y”: 53 }, “id”: 358, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcpreorders_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “TCP reordered packets by detection method”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 10, “w”: 12, “x”: 0, “y”: 64 }, “id”: 360, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_tcpofo_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “TCP out-of-order queue”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 9, “w”: 12, “x”: 12, “y”: 64 }, “id”: 362, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_sockstat_tcp_mem_KB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 TCP sockets memory”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “deckbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “IPv4 networking: TCP”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 30 }, “id”: 391, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 24 }, “id”: 383, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_sockstat_udp_sockets_sockets_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 UDP sockets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “sockets”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 24 }, “id”: 385, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_udppackets_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 UDP packets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 7, “w”: 12, “x”: 0, “y”: 31 }, “id”: 387, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_sockstat_udp_mem_KiB_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 UDP sockets memory”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “deckbytes”, “label”: “”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 5, “gridPos”: { “h”: 7, “w”: 12, “x”: 12, “y”: 31 }, “id”: 389, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “hideZero”: true, “max”: true, “min”: true, “show”: true, “total”: false, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: true, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_udperrors_events_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 UDP errors”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “events”, “logBase”: 1, “max”: null, “min”: “0”, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } } ], “title”: “IPv4 networking: UDP”, “type”: “row” }, { “collapsed”: true, “gridPos”: { “h”: 1, “w”: 24, “x”: 0, “y”: 31 }, “id”: 416, “panels”: [ { “aliasColors”: {}, “bars”: false, “dashLength”: 10, “dashes”: false, “fill”: 1, “gridPos”: { “h”: 8, “w”: 12, “x”: 0, “y”: 25 }, “id”: 410, “legend”: { “alignAsTable”: true, “avg”: true, “current”: true, “max”: true, “min”: true, “show”: true, “total”: true, “values”: true }, “lines”: true, “linewidth”: 1, “links”: [], “nullPointMode”: “null”, “paceLength”: 10, “percentage”: false, “pointradius”: 5, “points”: false, “renderer”: “flot”, “seriesOverrides”: [], “spaceLength”: 10, “stack”: false, “steppedLine”: false, “targets”: [ { “expr”: “netdata_ipv4_icmp_packets_persec_average{instance=~"$instance"}”, “format”: “time_series”, “intervalFactor”: 1, “legendFormat”: “”, “refId”: “A” } ], “thresholds”: [], “timeFrom”: null, “timeRegions”: [], “timeShift”: null, “title”: “IPv4 ICMP packets”, “tooltip”: { “shared”: true, “sort”: 0, “value_type”: “individual” }, “transparent”: true, “type”: “graph”, “xaxis”: { “buckets”: null, “mode”: “time”, “name”: null, “show”: true, “values”: [] }, “yaxes”: [ { “decimals”: null, “format”: “short”, “label”: “packets”, “logBase”: 1, “max”: null, “min”: null, “show”: true }, { “format”: “short”, “label”: null, “logBase”: 1, “max”: null, “min”: null, “show”: true } ], “yaxis”: { “align”: false, “alignLevel”: null } }, { “aliasColors”: {}, 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