Yukang-Lian opened a new pull request, #60520:
URL: https://github.com/apache/doris/pull/60520
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
- Add dedicated bvar metrics for the recycle_operation_logs path, which
previously had no observability through the monitoring system
- Introduce OplogRecycleStats to track per-round recycling statistics
including skipped-by-snapshot count, earliest recyclable version, failure
count, and generated recycle key counts
(partition/index/rowset/txn)
- Add scan_and_statistics_operation_logs() to collect pre-recycling
statistics via RecyclerMetricsContext, consistent with existing
scan_and_statistics_* functions
- Use a PendingCounts pattern in OperationLogRecycler to avoid inflating
committed metrics on transaction failure — local counts are only merged into
OplogRecycleStats atomics after successful
commit()
- All new statistics are gated behind the enable_recycler_stats_metrics
config flag
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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