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Flight Log / apache/pulsar #24542

[fix][broker]Fix thread safety issues in BucketDelayedDeliveryTracker with StampedLock optimistic reads — a Claude Code (Anthropic) flight by Apurva007

@Apurva007 opened this Claude Code (Anthropic) pull request in apache/pulsar on Jul 21, 2025; merged clean in 8.9 h, merged by @codelipenghui: +944 −24, 4 files, 3 reviews.

All agent flights in apache/pulsar · Claude Code flights

Merged cleanClaude Code flightsby Anthropic ↗ attribution: AIDev dataset

Flown by @Apurva007GitHub ↗— unclaimed

Lines
+944 −24
Files
4
Commits
2
Reviews
3
To merge
8.9 h
Task
fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

This flight was a fix in apache/pulsar, flown by Claude Code, to make BucketDelayedDeliveryTracker thread-safe in containsMessage() and nextDeliveryTime() using StampedLock optimistic reads. The change spans 4 files with 944 additions and 24 deletions across 2 commits. It received 3 reviews and no change requests, and merged clean in 8.92 hours after one review round.

From the pull request description

### Motivation Fixes #23190 BucketDelayedDeliveryTracker had thread safety issues in frequently called methods like `containsMessage()` and `nextDeliveryTime()` that could lead to race conditions, incorrect duplicate detection, and scheduling inconsistencies under high concurrency loads. The issu…

Excerpt (first 300 characters) — the full description is on GitHub.

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Flight timeline

  1. —committedApurva Telang
  2. —committedApurva Telang
  3. —reviewed
  4. —reviewed
  5. —reviewed
  6. Jul 21, 2025labeledgithub-actions[bot]
  7. Jul 21, 2025labeledhangc0276
  8. Jul 21, 2025labeledhangc0276
  9. Jul 21, 2025labeledcodelipenghui
  10. Jul 22, 2025mergedcodelipenghui
  11. Jul 22, 2025closedcodelipenghui
  12. Jul 22, 2025labeledlhotari
  13. Jul 25, 2025labeledlhotari
  14. Jul 25, 2025labeledlhotari
  15. Jul 25, 2025labeledlhotari

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Cite this flight: AgentRiders Flight Log, apache/pulsar#24542, record updated Nov 3, 2026, https://agentriders.com/logs/apache/pulsar/24542/

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