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Memory size for these caches may be limited with -`memory.allowedPercent` flag. Line `max allowed` shows max allowed memory size for cache.", "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 24, "x": 0, "y": 7 }, "hiddenSeries": false, "id": 94, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "$$hashKey": "object:85", "alias": "max allowed", "color": "#F2495C", "fill": 0, "stack": false } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": true, "expr": "sum(vm_cache_size_bytes{job=~\"$job\", instance=~\"$instance\"}) by(type)", "interval": "", "legendFormat": "{{type}}", "refId": "A" }, { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": false, "expr": "sum(vm_allowed_memory_bytes{job=~\"$job\", instance=~\"$instance\"})", "hide": false, "interval": "", "legendFormat": "max allowed", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "Cache size ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:111", "format": "bytes", "logBase": 1, "show": true }, { "$$hashKey": "object:112", "format": "short", "logBase": 1, "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "type": "prometheus", "uid": "$ds" }, "description": "Shows the percentage of used cache size from the allowed size by type. \nValues close to 100% show the maximum potential utilization.\nValues close to 0% show that cache is underutilized.", "fill": 0, "fillGradient": 0, "gridPos": { "h": 7, "w": 24, "x": 0, "y": 15 }, "hiddenSeries": false, "id": 97, "legend": { "avg": false, "current": false, "max": false, "min": false, "show": false, "total": false, "values": false }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": true, "expr": "vm_cache_size_bytes{job=~\"$job\", instance=~\"$instance\"} / vm_cache_size_max_bytes{job=~\"$job\", instance=~\"$instance\"}", "interval": "", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Cache usage % ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:235", "format": "percentunit", "logBase": 1, "show": true }, { "$$hashKey": "object:236", "format": "short", "logBase": 1, "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "type": "prometheus", "uid": "$ds" }, "description": "Cache hit ratio shows cache efficiency. The higher is hit rate the better.", "fill": 0, "fillGradient": 0, "gridPos": { "h": 8, "w": 24, "x": 0, "y": 22 }, "hiddenSeries": false, "id": 95, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "$$hashKey": "object:85", "alias": "max allowed", "color": "#F2495C", "fill": 0, "stack": false } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": true, "expr": "1 - (\n sum(rate(vm_cache_misses_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])) by (type) /\n sum(rate(vm_cache_requests_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])) by (type)\n)", "interval": "", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Cache hit ratio ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:111", "format": "percentunit", "logBase": 1, "show": true }, { "$$hashKey": "object:112", "format": "short", "logBase": 1, "show": true } ], "yaxis": { "align": false } } ], "targets": [ { "datasource": { "type": "prometheus", "uid": "P4169E866C3094E38" }, "refId": "A" } ], "title": "Caches", "type": "row" }, { "collapsed": true, "datasource": { "uid": "$ds" }, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 31 }, "id": 14, "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 3 }, "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": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_rows_inserted_total{job=~\"$job\", instance=~\"$instance\"}[$__interval])) by (type) > 0", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Datapoints ingestion rate ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 3 }, "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": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "vm_free_disk_space_bytes{job=~\"$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=~\"$instance\", type!=\"indexdb\"})))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Storage full ETA ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "s", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "Shows how many datapoints are in the storage and what is average disk usage per datapoint.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 11 }, "hiddenSeries": false, "id": 30, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "bytes-per-datapoint", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(vm_rows{job=~\"$job\", instance=~\"$instance\", type != \"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "total datapoints", "refId": "A" }, { "datasource": { "uid": "$ds" }, "expr": "sum(vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"}) / sum(vm_rows{job=~\"$job\", instance=~\"$instance\", type != \"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "bytes-per-datapoint", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "Datapoints ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "decimals": 2, "format": "bytes", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "How many datapoints are in RAM queue waiting to be written into storage. The number of pending data points should be in the range from 0 to `2*`, since VictoriaMetrics pushes pending data to persistent storage every second.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 11 }, "hiddenSeries": false, "id": 34, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "pending index entries", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "vm_pending_rows{job=~\"$job\", instance=~\"$instance\", type=\"storage\"}", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "pending datapoints", "refId": "A" }, { "datasource": { "uid": "$ds" }, "expr": "vm_pending_rows{job=~\"$job\", instance=~\"$instance\", type=\"indexdb\"}", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "pending index entries", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "Pending datapoints ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "decimals": 3, "format": "none", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "Shows amount of on-disk space occupied by data points and the remaining disk space at `-storageDataPath`", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 19 }, "hiddenSeries": false, "id": 53, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "rightSide": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type!=\"indexdb\"})", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "Used", "refId": "A" }, { "datasource": { "uid": "$ds" }, "expr": "vm_free_disk_space_bytes{job=~\"$job\", instance=~\"$instance\"}", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "Free", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "Disk space usage - datapoints ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "Data parts of LSM tree.\nHigh number of parts could be an evidence of slow merge performance - check the resource utilization.\n* `indexdb` - inverted index\n* `storage/small` - recently added parts of data ingested into storage(hot data)\n* `storage/big` - small parts gradually merged into big parts (cold data)", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 19 }, "hiddenSeries": false, "id": 36, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(vm_parts{job=~\"$job\", instance=~\"$instance\"}) by (type)", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "LSM parts ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 27 }, "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": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "exemplar": true, "expr": "vm_data_size_bytes{job=~\"$job\", instance=~\"$instance\", type=\"indexdb\"}", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "disk space used", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Disk space usage - index ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "The number of on-going merges in storage nodes. It is expected to have high numbers for `storage/small` metric.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 27 }, "hiddenSeries": false, "id": 62, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(vm_active_merges{job=~\"$job\", instance=~\"$instance\"}) by(type)", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Active merges ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 35 }, "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": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "exemplar": true, "expr": "sum(vm_rows_ignored_total{job=~\"$job\", instance=~\"$instance\"}) by (reason)", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "{{reason}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Rows ignored ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "The number of rows merged per second by storage nodes.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 35 }, "hiddenSeries": false, "id": 64, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_rows_merged_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])) by(type)", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Merge speed ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:867", "decimals": 0, "format": "short", "logBase": 1, "min": "0", "show": true }, { "$$hashKey": "object:868", "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "Shows the rate of logging the messages by their level. Unexpected spike in rate is a good reason to check logs.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 43 }, "hiddenSeries": false, "id": 67, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "8.3.2", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_log_messages_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])) by (level) ", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "{{level}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Logging rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } } ], "targets": [ { "datasource": { "uid": "$ds" }, "refId": "A" } ], "title": "Storage", "type": "row" }, { "collapsed": true, "datasource": { "uid": "$ds" }, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 32 }, "id": 71, "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "Shows the rate and total number of new series created over last 24h.\n\nHigh churn rate tightly connected with database performance and may result in unexpected OOM's or slow queries. It is recommended to always keep an eye on this metric to avoid unexpected cardinality \"explosions\".\n\nThe higher churn rate is, the more resources required to handle it. Consider to keep the churn rate as low as possible.\n\nGood references to read:\n* https://www.robustperception.io/cardinality-is-key\n* https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 32 }, "hiddenSeries": false, "id": 66, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "new series over 24h", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_new_timeseries_created_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval]))", "interval": "", "legendFormat": "churn rate", "refId": "A" }, { "datasource": { "uid": "$ds" }, "expr": "sum(increase(vm_new_timeseries_created_total{job=~\"$job\", instance=~\"$instance\"}[24h]))", "interval": "", "legendFormat": "new series over 24h", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "Churn rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "type": "prometheus", "uid": "$ds" }, "description": "Shows the rate of adding new items to the index. It should correlate with `Slow inserts` and `Churn rate` graphs and could help to determine the pressure on indexdb.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 32 }, "hiddenSeries": false, "id": 96, "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": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": true, "expr": "sum(rate(vm_indexdb_items_added_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval]))", "interval": "", "legendFormat": "items", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "IndexDB items rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:76", "format": "short", "logBase": 1, "min": "0", "show": true }, { "$$hashKey": "object:77", "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "The percentage of slow inserts comparing to total insertion rate during the last 5 minutes. \n\nThe less value is better. If percentage remains high (>10%) during extended periods of time, then it is likely more RAM is needed for optimal handling of the current number of active time series. \n\nIn general, VictoriaMetrics requires ~1KB or RAM per active time series, so it should be easy calculating the required amounts of RAM for the current workload according to capacity planning docs. But the resulting number may be far from the real number because the required amounts of memory depends on may other factors such as the number of labels per time series and the length of label values.", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 40 }, "hiddenSeries": false, "id": 68, "legend": { "alignAsTable": true, "avg": true, "current": true, "max": true, "min": false, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_slow_row_inserts_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])) / sum(rate(vm_rows_inserted_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "slow inserts percentage", "refId": "A" } ], "thresholds": [ { "$$hashKey": "object:60", "colorMode": "critical", "fill": true, "line": true, "op": "gt", "value": 0.1, "yaxis": "left" } ], "timeRegions": [], "title": "Slow inserts ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "decimals": 2, "format": "percentunit", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 40 }, "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": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "expr": "sum(rate(vm_slow_queries_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "slow queries rate", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Slow queries rate ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "type": "prometheus", "uid": "$ds" }, "description": "Shows the percentage of used cache size from the allowed size by type. \nValues close to 100% show the maximum potential utilization.\nValues close to 0% show that cache is underutilized.", "fill": 0, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 48 }, "hiddenSeries": false, "id": 90, "legend": { "avg": false, "current": false, "max": false, "min": false, "show": false, "total": false, "values": false }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": true, "expr": "vm_cache_size_bytes{job=~\"$job\", instance=~\"$instance\"} / vm_cache_size_max_bytes{job=~\"$job\", instance=~\"$instance\"}", "interval": "", "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Cache usage % ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "$$hashKey": "object:235", "format": "percentunit", "logBase": 1, "show": true }, { "$$hashKey": "object:236", "format": "short", "logBase": 1, "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$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": 8, "w": 12, "x": 12, "y": 48 }, "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": "9.0.3", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "exemplar": true, "expr": "sum(increase(vm_metrics_with_dropped_labels_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval]))", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "limit exceeded", "refId": "A" } ], "thresholds": [], "timeRegions": [], "title": "Labels limit exceeded ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "decimals": 2, "format": "short", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } } ], "targets": [ { "datasource": { "uid": "$ds" }, "refId": "A" } ], "title": "Troubleshooting", "type": "row" }, { "collapsed": true, "datasource": { "uid": "$ds" }, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 33 }, "id": 46, "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "uid": "$ds" }, "description": "", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 5 }, "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": "8.3.5", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "uid": "$ds" }, "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" }, { "datasource": { "uid": "$ds" }, "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" }, { "datasource": { "uid": "$ds" }, "expr": "sum(go_memstats_stack_inuse_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "stack inuse", "refId": "C" }, { "datasource": { "uid": "$ds" }, "expr": "sum(process_resident_memory_bytes{job=~\"$job\", instance=~\"$instance\"})", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "resident", "refId": "D" }, { "datasource": { "uid": "$ds" }, "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": [], "timeRegions": [], "title": "Memory usage ($instance)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "logBase": 1, "min": "0", "show": true }, { "format": "short", "logBase": 1, "min": "0", "show": true } ], "yaxis": { "align": false } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": { "type": "prometheus", "uid": "$ds" }, "description": "", "fieldConfig": { "defaults": { "links": [] }, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 5 }, "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": "8.3.5", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "$$hashKey": "object:85", "alias": "Limit", "color": "#F2495C" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "datasource": { "type": "prometheus", "uid": "$ds" }, "expr": "rate(process_cpu_seconds_total{job=~\"$job\", instance=~\"$instance\"}[$__rate_interval])", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "CPU cores used", "refId": "A" }, { "datasource": { "type": "prometheus", "uid": "$ds" }, "exemplar": false, "expr": "process_cpu_cores_available{job=~\"$job\", instance=~\"$instance\"}", "format": "time_series", "hide": false, "interval": "", "intervalFactor": 1, "legendFormat": "Limit", "refId": "B" } ], "thresholds": [], "timeRegions": [], "title": "CPU ($instance)", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "mode": "time", "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "min": "0", "show": 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