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With one service selected, this shows that service's connection mix over time." }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "line" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null }, { "color": "yellow", "value": 85 }, { "color": "red", "value": 90 } ] }, "unit": "percent", "min": 0, "max": 100 }, "overrides": [] }, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 30 }, "id": 31, "options": { "legend": { "calcs": [ "mean", "max", "lastNotNull" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "PostgresServer_FilesystemUsedPercent{postgres_service_name=~\"$service\"}", "legendFormat": "{{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" } ], "title": "Disk utilization % over time", "type": "timeseries", "description": "Filesystem space used as % of allocated storage. 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Spikes here without a corresponding rise in the ratio mean traffic also rose." }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "line" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null }, { "color": "yellow", "value": 5 }, { "color": "red", "value": 20 } ] }, "unit": "percent", "min": 0, "max": 100 }, "overrides": [] }, "gridPos": { "h": 8, "w": 8, "x": 16, "y": 39 }, "id": 42, "options": { "legend": { "calcs": [ "mean", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "100 * rate(PostgresServer_TransactionsRolledBack_Total{postgres_service_name=~\"$service\"}[$__rate_interval]) / clamp_min(rate(PostgresServer_TransactionsCommitted_Total{postgres_service_name=~\"$service\"}[$__rate_interval]) + rate(PostgresServer_TransactionsRolledBack_Total{postgres_service_name=~\"$service\"}[$__rate_interval]), 1)", "legendFormat": "{{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" } ], "title": "Rollback ratio %", "type": "timeseries", "description": "Rollbacks as a fraction of total transactions (commits + rollbacks). clamp_min prevents divide-by-zero \u2014 idle services report 0%." }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 47 }, "id": 104, "panels": [], "title": "Tuple activity", "type": "row" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null } ] }, "unit": "rps" }, "overrides": [] }, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 48 }, "id": 50, "options": { "legend": { "calcs": [ "mean", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_TuplesFetched_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "{{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" } ], "title": "Tuples fetched / sec", "type": "timeseries", "description": "Rows returned to clients per second." }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null } ] }, "unit": "rps" }, "overrides": [] }, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 48 }, "id": 51, "options": { "legend": { "calcs": [ "mean", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_TuplesInserted_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "inserted - {{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_TuplesUpdated_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "updated - {{postgres_service_name}}", "range": true, "refId": "B", "interval": "${scrape_interval}" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_TuplesDeleted_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "deleted - {{postgres_service_name}}", "range": true, "refId": "C", "interval": "${scrape_interval}" } ], "title": "Tuples written / sec (insert + update + delete)", "type": "timeseries", "description": "Rows written per second, split by operation (insert, update, delete)." }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 56 }, "id": 105, "panels": [], "title": "I/O", "type": "row" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null } ] }, "unit": "Bps" }, "overrides": [ { "matcher": { "id": "byRegexp", "options": "^transmit.*" }, "properties": [ { "id": "custom.transform", "value": "negative-Y" } ] } ] }, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 57 }, "id": 60, "options": { "legend": { "calcs": [ "mean", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_NetworkReceiveBytes_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "receive - {{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_NetworkTransmitBytes_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "transmit - {{postgres_service_name}}", "range": true, "refId": "B", "interval": "${scrape_interval}" } ], "title": "Network bytes / sec (rx up, tx down)", "type": "timeseries", "description": "Network bytes per second. Receive (rx) is shown positive, transmit (tx) negative for visual contrast on one axis." }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null } ] }, "unit": "iops" }, "overrides": [ { "matcher": { "id": "byRegexp", "options": "^writes.*" }, "properties": [ { "id": "custom.transform", "value": "negative-Y" } ] } ] }, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 57 }, "id": 61, "options": { "legend": { "calcs": [ "mean", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_DiskReads_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "reads - {{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_DiskWrites_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "writes - {{postgres_service_name}}", "range": true, "refId": "B", "interval": "${scrape_interval}" } ], "title": "Disk ops / sec (reads up, writes down)", "type": "timeseries", "description": "Filesystem operations per second. Reads shown positive, writes negative for visual contrast on one axis." }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 65 }, "id": 107, "panels": [], "title": "Database storage", "type": "row" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "description": "On-disk size per database over time. With many services selected this gets crowded \u2014 filter via the Service variable, or sort the legend table to find the biggest databases.", "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "never", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "green", "value": null } ] }, "unit": "decbytes", "min": 0 }, "overrides": [] }, "gridPos": { "h": 10, "w": 24, "x": 0, "y": 66 }, "id": 80, "options": { "legend": { "calcs": [ "lastNotNull", "max" ], "displayMode": "table", "placement": "bottom", "showLegend": true, "sortBy": "Last *", "sortDesc": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "PostgresServer_DatabaseSizeBytes{postgres_service_name=~\"$service\"}", "interval": "${scrape_interval}", "legendFormat": "{{postgres_service_name}} / {{database}}", "range": true, "refId": "A" } ], "title": "Database sizes over time", "type": "timeseries" }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 76 }, "id": 106, "panels": [], "title": "Deadlocks", "type": "row" }, { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "fieldConfig": { "defaults": { "color": { "mode": "palette-classic" }, "custom": { "axisBorderShow": false, "axisCenteredZero": false, "axisColorMode": "text", "axisPlacement": "auto", "barAlignment": 0, "drawStyle": "line", "fillOpacity": 10, "gradientMode": "none", "hideFrom": { "legend": false, "tooltip": false, "viz": false }, "lineInterpolation": "linear", "lineWidth": 1, "pointSize": 5, "scaleDistribution": { "type": "linear" }, "showPoints": "auto", "spanNulls": false, "stacking": { "group": "A", "mode": "none" }, "thresholdsStyle": { "mode": "off" } }, "mappings": [], "thresholds": { "mode": "absolute", "steps": [ { "color": "red", "value": null } ] }, "unit": "cps", "min": 0 }, "overrides": [] }, "gridPos": { "h": 8, "w": 24, "x": 0, "y": 77 }, "id": 70, "options": { "legend": { "calcs": [ "mean", "max", "lastNotNull" ], "displayMode": "table", "placement": "bottom", "showLegend": true }, "tooltip": { "mode": "multi", "sort": "desc" } }, "pluginVersion": "11.4.0", "targets": [ { "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "editorMode": "code", "expr": "rate(PostgresServer_Deadlocks_Total{postgres_service_name=~\"$service\"}[$__rate_interval])", "legendFormat": "{{postgres_service_name}}", "range": true, "refId": "A", "interval": "${scrape_interval}" } ], "title": "Deadlocks / sec", "type": "timeseries", "description": "Deadlocks detected per second. Any non-zero value warrants investigation." } ], "refresh": "1m", "schemaVersion": 40, "tags": [ "clickhouse-cloud", "postgres" ], "templating": { "list": [ { "current": { "selected": false, "text": "Prometheus", "value": "Prometheus" }, "hide": 0, "includeAll": false, "label": "Data source", "multi": false, "name": "DS_PROMETHEUS", "options": [], "query": "prometheus", "queryValue": "", "refresh": 1, "regex": "", "skipUrlSync": false, "type": "datasource" }, { "current": { "selected": false, "text": "60s", "value": "60s" }, "hide": 2, "label": "Scrape interval", "name": "scrape_interval", "options": [ { "selected": true, "text": "60s", "value": "60s" } ], "query": "60s", "skipUrlSync": false, "type": "constant" }, { "current": { "selected": false, "text": "All", "value": "$__all" }, "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" }, "definition": "label_values(PostgresServiceInfo, postgres_service_name)", "hide": 0, "includeAll": true, "label": "Service", "multi": true, "name": "service", "options": [], "query": { "query": "label_values(PostgresServiceInfo, postgres_service_name)", "refId": "PrometheusVariableQueryEditor-VariableQuery" }, "refresh": 2, "regex": "", "skipUrlSync": false, "sort": 1, "type": "query" } ] }, "time": { "from": "now-3h", "to": "now" }, "timepicker": {}, "timezone": "browser", "title": "ClickHouse Cloud \u2014 Postgres Services", "uid": "chpg-overview", "version": 14, "weekStart": "" }