FrankYang0529 opened a new pull request, #16641:
URL: https://github.com/apache/kafka/pull/16641
* `LogManagerTest#testLogRecoveryMetrics` does not require the scheduler, so
we can introduce the `NoOpScheduler` to handle the test case.
* Move `checkpoint.writeForTruncation(epochs.values());` to under
`LeaderEpochFileCache` read lock to avoid race condition like:
* take a snapshot of the epoch entries
* a new epoch entry is added and is flushed to disk
* the scheduler then writes the snapshot to disk
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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