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Summary by CodeRabbit

• New Features
  • Added an MV Refresh Duration graph to the Materialized View dashboard, showing refresh and scheduling durations for successful and failed operations.

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[coderabbitai]

No actionable comments were generated in the recent review.

Walkthrough

The Materialized View dashboard gains an “MV Refresh Duration” graph. It shows P999 and average durations for successful and failed refresh operations, plus refresh-schedule durations, using 1-minute Prometheus rates.

Changes: MV Refresh Duration

Layer / File(s)	Summary
Add MV refresh duration panel monitor-snapshot/master/operator/dashboards/tidb.json	The dashboard adds P999 and average duration queries for successful and failed MV refreshes, plus P999 and average refresh-schedule duration queries.

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Feature

Suggested labels: size/L

Suggested reviewers: liubog2008

Merge Risk: Minimal · up to c40d0

No merge-blocking issue is identified for the MV Refresh Duration panel; merge after normal validation.

Pre-merge checks: 5

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title describes the upstream snapshot update. It is broad but relates to the dashboard change.
Docstring Coverage		No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

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_{A rabbit watches metrics glow,
Refresh times rise and flow.
P999 and averages appear,
Success and failure both draw near.
Schedule durations join the view,
One-minute rates complete the queue.}

Recent review info

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• Layers: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: 7ae7de04-06b6-4b33-ba16-7473a5c7f29d

Commits

Reviewing files that changed from the base of the PR and between f00ea8d and c40d0aa.

Files ignored due to path filters: 1

• monitor-snapshot/master/ansible-monitor.tar.gz is excluded by !**/*.gz

Files selected for processing: 1

• monitor-snapshot/master/operator/dashboards/tidb.json

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