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"legendFormat": "File Descriptor", "refId": "A", "step": 10 }, { "expr": "sum(rate(tiflash_system_profile_event_PSMWriteBytes{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "Page", "refId": "B" }, { "expr": "sum(rate(tiflash_system_profile_event_PSMBackgroundWriteBytes{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "PageBackGround", "refId": "C" }, { "expr": "sum(rate(tiflash_system_profile_event_WriteBufferAIOWriteBytes{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]))", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "AIO", "refId": "D" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Write flow", "tooltip": { "shared": true, "sort": 0, "value_type": 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instance=~\"$instance\"}[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "PageBackGround", "refId": "C" }, { "expr": "sum(rate(tiflash_system_profile_event_ReadBufferAIOReadBytes{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]))", "format": "time_series", "intervalFactor": 1, "legendFormat": "AIO", "refId": "D" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Read flow", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "binBps", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", "description": "", "fieldConfig": { "defaults": {}, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 0, "y": 55 }, "hiddenSeries": false, "id": 88, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": true, "min": false, "rightSide": true, "show": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "7.5.11", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "/max_snapshot_lifetime/", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "tiflash_system_current_metric_DT_SegmentReadTasks{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "intervalFactor": 1, "legendFormat": "read_tasks-{{instance}}", "refId": "I" }, { "expr": "tiflash_system_current_metric_PSMVCCSnapshotsList{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "snapshot_list-{{instance}}", "refId": "A" }, { "expr": "tiflash_system_current_metric_PSMVCCNumSnapshots{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "heatmap", "hide": true, "intervalFactor": 1, "legendFormat": "num_snapshot-{{instance}}", "refId": "B" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfRead{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "read-{{instance}}", "refId": "C" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfReadRaw{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "read_raw-{{instance}}", "refId": "D" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfDeltaMerge{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "delta_merge-{{instance}}", "refId": "E" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfDeltaCompact{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "delta_compact-{{instance}}", "refId": "J" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfSegmentMerge{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "seg_merge-{{instance}}", "refId": "F" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfSegmentSplit{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "seg_split-{{instance}}", "refId": "G" }, { "expr": "tiflash_system_current_metric_DT_SnapshotOfPlaceIndex{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "place_index-{{instance}}", "refId": "H" }, { "expr": "tiflash_system_asynchronous_metric_MaxDTDeltaOldestSnapshotLifetime{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "max_snapshot_lifetime-{{instance}}", "refId": "K" }, { "expr": "tiflash_system_asynchronous_metric_MaxDTStableOldestSnapshotLifetime{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "max_snapshot_lifetime_stable-{{instance}}", "refId": "L" }, { "expr": "tiflash_system_asynchronous_metric_MaxDTMetaOldestSnapshotLifetime{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}", "format": "time_series", "hide": true, "intervalFactor": 1, "legendFormat": "max_snapshot_lifetime_meta-{{instance}}", "refId": "M" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MVCC Snapshots", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "s", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "cacheTimeout": null, "dashLength": 10, "dashes": false, "datasource": 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"sum(rate(tiflash_storage_io_limiter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)", "format": "time_series", "instant": false, "intervalFactor": 2, "legendFormat": "{{type}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "I/O Limiter", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "decimals": 0, "format": "binBps", "label": null, "logBase": 1, "max": null, "min": "0", "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", "description": "I/O Limiter pending tasks.", "fieldConfig": { "defaults": {}, "overrides": [] }, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 63 }, "hiddenSeries": false, "id": 86, "legend": { "alignAsTable": true, "avg": false, "current": false, "max": false, "min": false, "rightSide": true, "show": true, "total": false, "values": false }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "options": { "alertThreshold": true }, "percentage": false, "pluginVersion": "7.5.11", "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "avg(tiflash_system_current_metric_RateLimiterPendingWriteRequest{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}) by (instance)", "format": "time_series", "interval": "", "intervalFactor": 1, "legendFormat": "other-{{instance}}", "refId": "A" }, { "exemplar": true, "expr": "avg(tiflash_system_current_metric_IOLimiterPendingBgWriteReq{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}) by (instance)", "hide": false, "interval": "", "legendFormat": "bgwrite-{{instance}}", "refId": "B" }, { "exemplar": true, "expr": "avg(tiflash_system_current_metric_IOLimiterPendingFgWriteReq{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}) by (instance)", "hide": false, "interval": "", "legendFormat": "fgwrite-{{instance}}", "refId": "C" }, { "exemplar": true, "expr": "avg(tiflash_system_current_metric_IOLimiterPendingBgReadReq{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}) by (instance)", "hide": false, "interval": "", "legendFormat": "bgread-{{instance}}", "refId": "D" }, { "exemplar": true, "expr": "avg(tiflash_system_current_metric_IOLimiterPendingFgReadReq{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}) by (instance)", "hide": false, "interval": "", "legendFormat": "fgread-{{instance}}", "refId": "E" } 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false, "interval": "", "legendFormat": "get_cache_hit", "refId": "C" }, { "exemplar": true, "expr": "sum(rate(tiflash_storage_read_thread_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", type=~\"get_cache_miss|get_cache_hit|get_cache_part|get_cache_copy\"}[1m]))", "hide": false, "interval": "", "legendFormat": "get_cache_total", "refId": "B" }, { "exemplar": true, "expr": "sum(rate(tiflash_storage_read_thread_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", type=~\"get_cache_hit|get_cache_copy\"}[1m]))/sum(rate(tiflash_storage_read_thread_counter{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\", type=~\"get_cache_miss|get_cache_hit|get_cache_part|get_cache_copy\"}[1m]))", "hide": false, "instant": false, "interval": "", "legendFormat": "cache_hit_ratio", "refId": "D" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Read 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