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However, these two actions are separated and controlled via different concurrency limiters. The `max` on this panel can't be changed and always equal to number of CPUs. \n\nWhen `current` hits `max` constantly, it means storage is overloaded and requires more CPU.\n\n", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 18 }, "hiddenSeries": false, "id": 59, "legend": { "alignAsTable": true, "avg": true, "current": true, "hideEmpty": false, "hideZero": false, "max": false, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "max", "color": "#C4162A" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(vm_concurrent_addrows_capacity{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "max", "refId": "A" }, { "expr": "sum(vm_concurrent_addrows_current{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "intervalFactor": 1, "legendFormat": "current", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Concurrent flushes on disk ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "decimals": 0, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "* `*` - unsupported query path\n* `/write` - insert into VM\n* `/metrics` - query VM system metrics\n* `/query` - query instant values\n* `/query_range` - query over a range of time\n* `/series` - match a certain label set\n* `/label/{}/values` - query a list of label values (variables mostly)", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 18 }, "hiddenSeries": false, "id": 35, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": false, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null as zero", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "exemplar": true, "expr": "sum(rate(vm_http_request_errors_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by (path) > 0", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "{{path}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Requests error rate ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "datasource": "$ds", "gridPos": { "h": 1, "w": 24, "x": 0, "y": 26 }, "id": 14, "panels": [], "title": "Storage", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "How many datapoints are inserted into storage per second", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 27 }, "hiddenSeries": false, "id": 10, "legend": { "alignAsTable": true, "avg": true, "current": true, "hideZero": true, "max": false, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null as zero", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_rows_inserted_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by (type) > 0", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Datapoints ingestion rate ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows the time needed to reach the 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* dedup rate;\n* compression.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.\n\n", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 27 }, "hiddenSeries": false, "id": 73, "legend": { "alignAsTable": true, "avg": true, "current": true, "hideZero": true, "max": false, "min": true, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null as zero", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "vm_free_disk_space_bytes{job=~\"$job\", instance=~\"$instance\"} / ignoring(path) ((rate(vm_rows_added_to_storage_total{job=~\"$job\", instance=~\"$instance\"}[1d]) - ignoring(type) rate(vm_deduplicated_samples_total{job=~\"$job\", instance=~\"$instance\", type=\"merge\"}[1d])) * scalar(sum(vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"}) / sum(vm_rows{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"})))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Storage full ETA ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "s", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows how many datapoints are in the storage and what is average disk usage per datapoint.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 35 }, "hiddenSeries": false, "id": 30, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "bytes-per-datapoint", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(vm_rows{job=~\"$job\", instance=~\"$instance\", type != \"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "total datapoints", "refId": "A" }, { "expr": "sum(vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"}) / sum(vm_rows{job=~\"$job\", instance=~\"$instance\", type != \"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "bytes-per-datapoint", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Datapoints ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "decimals": 2, "format": "bytes", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "How many datapoints are in RAM queue waiting to be written into storage. The number of pending data points should be in the range from 0 to `2*`, since VictoriaMetrics pushes pending data to persistent storage every second.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 35 }, "hiddenSeries": false, "id": 34, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "pending index entries", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "vm_pending_rows{job=~\"$job\", instance=~\"$instance\", type=\"storage\"}", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "pending datapoints", "refId": "A" }, { "expr": "vm_pending_rows{job=~\"$job\", instance=~\"$instance\", type=\"indexdb\"}", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "pending index entries", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Pending datapoints ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "decimals": 3, "format": "none", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows amount of on-disk space occupied by data points and the remaining disk space at `-storageDataPath`", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 43 }, "hiddenSeries": false, "id": 53, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "rightSide": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "Used", "refId": "A" }, { "expr": "vm_free_disk_space_bytes{job=~\"$job\", instance=~\"$instance\"}", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "Free", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Disk space usage - datapoints ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Data parts of LSM tree.\nHigh number of parts could be an evidence of slow merge performance - check the resource utilization.\n* `indexdb` - inverted index\n* `storage/small` - recently added parts of data ingested into storage(hot data)\n* `storage/big` - small parts gradually merged into big parts (cold data)", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 43 }, "hiddenSeries": false, "id": 36, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(vm_parts{job=~\"$job\", instance=~\"$instance\"}) by (type)", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "LSM parts ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows amount of on-disk space occupied by inverted index.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 51 }, "hiddenSeries": false, "id": 55, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "exemplar": true, "expr": "vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type=\"indexdb\"}", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "disk space used", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Disk space usage - index ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "The number of on-going merges in storage nodes. It is expected to have high numbers for `storage/small` metric.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 51 }, "hiddenSeries": false, "id": 62, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(vm_active_merges{job=~\"$job\", instance=~\"$instance\"}) by(type)", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Active merges ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows how many rows were ignored on insertion due to corrupted or out of retention timestamps.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 59 }, "hiddenSeries": false, "id": 58, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "exemplar": true, "expr": "sum(vm_rows_ignored_total{job=~\"$job\", instance=~\"$instance\"}) by (reason)", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "{{reason}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Rows ignored ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "The number of rows merged per second by storage nodes.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 59 }, "hiddenSeries": false, "id": 64, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_rows_merged_total{job=~\"$job\", instance=~\"$instance\"}[5m])) by(type)", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Merge speed ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:867", "decimals": 0, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "$$hashKey": "object:868", "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows the rate of logging the messages by their level. Unexpected spike in rate is a good reason to check logs.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 67 }, "hiddenSeries": false, "id": 67, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_log_messages_total{job=~\"$job\", instance=~\"$instance\"}[5m])) by (level) ", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "{{level}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Logging rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": true, "datasource": "$ds", "gridPos": { "h": 1, "w": 24, "x": 0, "y": 75 }, "id": 71, "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows the rate and total number of new series created over last 24h.\n\nHigh churn rate tightly connected with database performance and may result in unexpected OOM's or slow queries. It is recommended to always keep an eye on this metric to avoid unexpected cardinality \"explosions\".\n\nThe higher churn rate is, the more resources required to handle it. Consider to keep the churn rate as low as possible.\n\nGood references to read:\n* https://www.robustperception.io/cardinality-is-key\n* https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 32 }, "hiddenSeries": false, "id": 66, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "new series over 24h", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_new_timeseries_created_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "interval": "", "legendFormat": "churn rate", "refId": "A" }, { "expr": "sum(increase(vm_new_timeseries_created_total{job=~\"$job\", instance=~\"$instance\"}[24h]))", "interval": "", "legendFormat": "new series over 24h", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Churn rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Slow queries rate according to `search.logSlowQueryDuration` flag, which is `5s` by default.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 32 }, "hiddenSeries": false, "id": 60, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_slow_queries_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "slow queries rate", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Slow queries rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "The percentage of slow inserts comparing to total insertion rate during the last 5 minutes. \n\nThe less value is better. If percentage remains high (>50%) during extended periods of time, then it is likely more RAM is needed for optimal handling of the current number of active time series. \n\nIn general, VictoriaMetrics requires ~1KB or RAM per active time series, so it should be easy calculating the required amounts of RAM for the current workload according to capacity planning docs. But the resulting number may be far from the real number because the required amounts of memory depends on may other factors such as the number of labels per time series and the length of label values.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 9, "w": 12, "x": 0, "y": 40 }, "hiddenSeries": false, "id": 68, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(vm_slow_row_inserts_total{job=~\"$job\", instance=~\"$instance\"}[5m])) / sum(rate(vm_rows_inserted_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "slow inserts percentage", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Slow inserts ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 2, "format": "percentunit", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "VictoriaMetrics limits the number of labels per each metric with `-maxLabelsPerTimeseries` command-line flag.\n\nThis prevents from ingesting metrics with too many labels. The value of `maxLabelsPerTimeseries` must be adjusted for your workload.\n\nWhen limit is exceeded (graph is > 0) - extra labels are dropped, which could result in unexpected identical time series.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 9, "w": 12, "x": 12, "y": 40 }, "hiddenSeries": false, "id": 74, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": false, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "exemplar": true, "expr": "sum(increase(vm_metrics_with_dropped_labels_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "limit exceeded", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Labels limit exceeded ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 2, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } } ], "title": "Troubleshooting", "type": "row" }, { "collapsed": true, "datasource": "$ds", "gridPos": { "h": 1, "w": 24, "x": 0, "y": 76 }, "id": 46, "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 29 }, "hiddenSeries": false, "id": 44, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(go_memstats_sys_bytes{job=~\"$job\", instance=~\"$instance\"}) + sum(vm_cache_size_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "requested from system", "refId": "A" }, { "expr": "sum(go_memstats_heap_inuse_bytes{job=~\"$job\", instance=~\"$instance\"}) + sum(vm_cache_size_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "heap inuse", "refId": "B" }, { "expr": "sum(go_memstats_stack_inuse_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "stack inuse", "refId": "C" }, { "expr": "sum(process_resident_memory_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "resident", "refId": "D" }, { "exemplar": true, "expr": "sum(process_resident_memory_anon_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "resident anonymous", "refId": "E" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Memory usage ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 29 }, "hiddenSeries": false, "id": 57, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "rate(process_cpu_seconds_total{job=~\"$job\", instance=~\"$instance\"}[5m])", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "CPU cores used", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "CPU ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Panel shows the number of open file descriptors in the OS.\nReaching the limit of open files can cause various issues and must be prevented.\n\nSee how to change limits here https://medium.com/@muhammadtriwibowo/set-permanently-ulimit-n-open-files-in-ubuntu-4d61064429a", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 37 }, "hiddenSeries": false, "id": 75, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "max", "color": "#C4162A" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(process_open_fds{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "interval": "", "intervalFactor": 2, "legendFormat": "open", "refId": "A" }, { "expr": "min(process_max_fds{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "interval": "", "intervalFactor": 2, "legendFormat": "max", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Open FDs ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", "label": null, "logBase": 2, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows the number of bytes read/write from the storage layer.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 37 }, "hiddenSeries": false, "id": 76, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "read", "transform": "negative-Y" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(process_io_storage_read_bytes_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "read", "refId": "A" }, { "expr": "sum(rate(process_io_storage_written_bytes_total{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "write", "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Disk writes/reads ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": null, "format": "bytes", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 45 }, "hiddenSeries": false, "id": 47, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(go_goroutines{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "intervalFactor": 2, "legendFormat": "gc duration", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Goroutines ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "description": "Shows avg GC duration", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 45 }, "hiddenSeries": false, "id": 42, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(rate(go_gc_duration_seconds_sum{job=~\"$job\", instance=~\"$instance\"}[5m]))\n/\nsum(rate(go_gc_duration_seconds_count{job=~\"$job\", instance=~\"$instance\"}[5m]))", "format": "time_series", "intervalFactor": 2, "legendFormat": "avg gc duration", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "GC duration ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "s", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "$ds", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 53 }, "hiddenSeries": false, "id": 48, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.0.0", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum(process_num_threads{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "intervalFactor": 2, "legendFormat": "threads", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Threads ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", 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