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grafana: chart the remote-deletion tombstone gauges (#12444)

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* grafana: chart the remote-deletion tombstone gauges

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* grafana: describe the fetch hold that outlasts a full tombstone table

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* grafana: word the tombstone panel description like the gauge help

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Chris LuandClaude Opus 5.5 authored and GitHub committed 2026-11-06 15:22:38 -08:00
1 parent 1c4fe61fcd
commit 99539484b6
1 file changed
+194
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other/metrics/grafana_seaweedfs.json
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@@ -6820,6 +6820,200 @@
}
],
"pluginVersion": "10.3.1"
},
{
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"title": "Remote Deletion Tombstones",
"description": "Paths deleted under a remote mount whose remote delete the write-back daemon has not consumed yet",
"type": "timeseries",
"id": 246,
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 79
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisBorderShow": false,
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"legend": false,
"tooltip": false,
"viz": false
},
"insertNulls": false,
"lineInterpolation": "linear",
"lineWidth": 1,
"pointSize": 4,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"unit": "short",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
}
},
"overrides": []
},
"options": {
"legend": {
"calcs": [
"lastNotNull",
"max"
],
"displayMode": "table",
"placement": "bottom",
"showLegend": true
},
"tooltip": {
"mode": "multi",
"sort": "desc"
}
},
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"expr": "sum by (instance) (SeaweedFS_filer_remote_deletion_tombstones{cluster=~\"$cluster\"})",
"range": true,
"refId": "A",
"legendFormat": "{{instance}}"
}
],
"pluginVersion": "10.3.1"
},
{
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"title": "Lazy Remote Fetch Off (Skipped Deletes)",
"description": "1 from the first delete the full tombstone table could not record until the table has room and the last skipped delete is past the 24 h TTL; lazy remote fetches are off meanwhile",
"type": "timeseries",
"id": 247,
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 79
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisBorderShow": false,
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"legend": false,
"tooltip": false,
"viz": false
},
"insertNulls": false,
"lineInterpolation": "linear",
"lineWidth": 1,
"pointSize": 4,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"unit": "none",
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"min": 0,
"max": 1
},
"overrides": []
},
"options": {
"legend": {
"calcs": [
"lastNotNull",
"max"
],
"displayMode": "table",
"placement": "bottom",
"showLegend": true
},
"tooltip": {
"mode": "multi",
"sort": "desc"
}
},
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"expr": "max by (instance) (SeaweedFS_filer_remote_deletion_tombstones_full{cluster=~\"$cluster\"})",
"range": true,
"refId": "A",
"legendFormat": "{{instance}}"
}
],
"pluginVersion": "10.3.1"
}
]
},