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Posted to notifications@zookeeper.apache.org by "seekskyworld (via GitHub)" <gi...@apache.org> on 2026/01/14 05:43:55 UTC

[PR] ZOOKEEPER-5010: purge orphaned ephemerals after DIFF sync [zookeeper]

seekskyworld opened a new pull request, #2344:
URL: https://github.com/apache/zookeeper/pull/2344

   Issue: https://issues.apache.org/jira/browse/ZOOKEEPER-5010
   
   Summary
   - Purge ephemerals for sessions not tracked after DIFF sync to prevent state divergence.
   - Add a LearnerTest for orphaned ephemeral cleanup.
   
   Motivation
   - DIFF sync keeps the follower data tree; if a session is gone but its ephemerals remain, the follower can diverge permanently.
   
   Validation
   - mvn -pl zookeeper-server -Dtest=LearnerTest#testPurgeOrphanedEphemerals test
   - mvn -pl zookeeper-server -Dtest=DIFFSync* test
   - mvn -pl zookeeper-server -Dtest=QuorumDigestTest test


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