David Arthur 5d3e691e47 KAFKA-16171: Fix ZK migration controller race #15238 ... This patch causes the active KRaftMigrationDriver to reload the /migration ZK state after electing itself as the leader in ZK. This closes a race condition where the previous active controller could make an update to /migration after the new leader was elected. The update race was not actually a problem regarding the data since both controllers would be syncing the same state from KRaft to ZK, but the change to the znode causes the new controller to fail on the zk version check on /migration. This patch also fixes a as-yet-unseen bug where the active controllers failing to elect itself via claimControllerLeadership would not retry. Reviewers: Colin P. McCabe <cmccabe@apache.org>		2024-03-12 11:34:09 -07:00
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src	KAFKA-16171: Fix ZK migration controller race #15238	2024-03-12 11:34:09 -07:00
.gitignore	KAFKA-13429: ignore bin on new modules (#11415)	2021-11-10 14:36:24 -06:00