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metrics: add DML rows affected metric #3909

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wk989898 Jan 2, 2026
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update
wk989898 Jan 4, 2026
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add metrics
wk989898 Jan 4, 2026
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chore
wk989898 Jan 5, 2026
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229 changes: 164 additions & 65 deletions metrics/grafana/ticdc_new_arch.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3394,70 +3394,70 @@
"show": false
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"datasource": "${DS_TEST-CLUSTER}",
"description": "Build metadata of each TiCDC server instance.",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"gridPos": {
"h": 9,
"w": 12,
"x": 12,
"y": 31
},
"id": 22473,
"options": {
"showHeader": true,
"sortBy": []
},
"pluginVersion": "7.5.17",
"transformations": [
{
"id": "labelsToFields",
"options": {}
},
{
"id": "organize",
"options": {
"excludeByName": {
"Metric": true,
"Time": true,
"Value": true,
"__name__": true
},
"indexByName": {
"instance": 0,
"kernel_type": 1,
"git_hash": 2,
"release_version": 3,
"utc_build_time": 4
},
"renameByName": {}
}
}
],
"targets": [
{
"expr": "max by (instance, kernel_type, git_hash, release_version, utc_build_time) (ticdc_server_build_info{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", job=~\".*ticdc.*\", instance=~\"$ticdc_instance\"})",
"format": "time_series",
"instant": true,
"refId": "A"
}
],
"title": "Build Info",
"type": "table"
}
],
"title": "Server",
"type": "row"
},
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"datasource": "${DS_TEST-CLUSTER}",
"description": "Build metadata of each TiCDC server instance.",
"fieldConfig": {
"defaults": {},
"overrides": []
},
"gridPos": {
"h": 9,
"w": 12,
"x": 12,
"y": 31
},
"id": 22473,
"options": {
"showHeader": true,
"sortBy": []
},
"pluginVersion": "7.5.17",
"transformations": [
{
"id": "labelsToFields",
"options": {}
},
{
"id": "organize",
"options": {
"excludeByName": {
"Metric": true,
"Time": true,
"Value": true,
"__name__": true
},
"indexByName": {
"instance": 0,
"kernel_type": 1,
"git_hash": 2,
"release_version": 3,
"utc_build_time": 4
},
"renameByName": {}
}
}
],
"targets": [
{
"expr": "max by (instance, kernel_type, git_hash, release_version, utc_build_time) (ticdc_server_build_info{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", job=~\".*ticdc.*\", instance=~\"$ticdc_instance\"})",
"format": "time_series",
"instant": true,
"refId": "A"
}
],
"title": "Build Info",
"type": "table"
}
],
"title": "Server",
"type": "row"
},
{
"collapsed": true,
"datasource": null,
Expand Down Expand Up @@ -14135,6 +14135,105 @@
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_TEST-CLUSTER}",
"description": "The number of dml rows affected that sink flushes to downstream per second.",
"fieldConfig": {
"defaults": {
"links": []
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 32
},
"hiddenSeries": false,
"id": 636,
"legend": {
"alignAsTable": true,
"avg": false,
"current": true,
"max": true,
"min": false,
"rightSide": false,
"show": true,
"sort": "current",
"sortDesc": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.5.17",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"exemplar": true,
"expr": "sum(rate(ticdc_sink_dml_event_affected_row_count{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\",namespace=~\"$namespace\", changefeed=~\"$changefeed\", instance=~\"$ticdc_instance\"}[1m])) by (namespace, changefeed, type, row_type)",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "{{namespace}}-{{changefeed}}-{{type}}-{{row_type}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Row Affected Count / s",
"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",
"logBase": 1,
"min": "0",
"show": true
},
{
"format": "none",
"logBase": 1,
"show": false
}
],
"yaxis": {
"align": false
}
}
],
"title": "Sink - Transaction Sink",
Expand Down Expand Up @@ -23961,4 +24060,4 @@
"title": "${DS_TEST-CLUSTER}-TiCDC-New-Arch",
"uid": "YiGL8hBZ0aac",
"version": 36
}
}
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