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sum(rate(tici_reader_shard_refresh_duration_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)", "format": "time_series", "intervalFactor": 2, "legendFormat": "{{type}}-avg", "refId": "B" } ], "thresholds": [ ], "timeFrom": null, "timeShift": null, "title": "Shard Refresh Duration", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [ ] }, "yaxes": [ { "format": "s", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "s", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ] }, { "aliasColors": { }, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", "description": "Reader shard refresh rate by refresh type and result.", "fill": 1, "fillGradient": 0, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 0 }, "id": 14, "legend": { 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null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "ops", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ] }, { "aliasColors": { }, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", "description": "Queued time before reader shard refresh starts.", "fill": 1, "fillGradient": 0, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 0 }, "id": 15, "legend": { "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, "rightSide": true, "show": true, "sideWidth": null, "total": false, "values": false }, "lines": true, "linewidth": 1, "links": [ ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "repeat": null, "seriesOverrides": [ ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "histogram_quantile(0.99, sum(rate(tici_reader_shard_refresh_queue_duration_bucket{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (le))", "format": "time_series", "intervalFactor": 2, "legendFormat": "p99", "refId": "A" }, { "expr": "sum(rate(tici_reader_shard_refresh_queue_duration_sum{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) / sum(rate(tici_reader_shard_refresh_queue_duration_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]))", "format": "time_series", "intervalFactor": 2, "legendFormat": "avg", "refId": "B" } ], "thresholds": [ ], "timeFrom": null, "timeShift": null, "title": "Shard Refresh Queue Duration", "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": null, "show": true }, { "format": "s", "label": null, "logBase": 1, "max": null, "min": null, 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"timeFrom": null, "timeShift": null, "title": "Heartbeat Queue Backlog", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [ ] }, "yaxes": [ { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ] }, { "aliasColors": { }, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", "description": "Inflight reader shard refresh work.", "fill": 1, "fillGradient": 0, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 0 }, "id": 17, "legend": { "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, "rightSide": true, "show": true, "sideWidth": null, "total": false, "values": false }, "lines": true, "linewidth": 1, "links": [ ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": 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