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[server] Refresh dynamic configs on Coordinator failover#3637

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fxbing wants to merge 1 commit into
apache:mainfrom
fxbing:fix/20260713-coordinator-dynamic-config-refresh
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[server] Refresh dynamic configs on Coordinator failover#3637
fxbing wants to merge 1 commit into
apache:mainfrom
fxbing:fix/20260713-coordinator-dynamic-config-refresh

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@fxbing

@fxbing fxbing commented Jul 13, 2026

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Purpose

Linked issue: close #3625

A standby Coordinator may hold stale dynamic configs because it skips config change notifications. Refresh configs from ZooKeeper after fencing and before registering the new leader.

Tests

  • CoordinatorHighAvailabilityITCase

Generative AI disclosure

  • OpenAI Codex was used.

@fxbing
fxbing marked this pull request as ready for review July 13, 2026 07:15
@fxbing fxbing closed this Jul 13, 2026
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[server] Coordinator standby may use stale dynamic configs after failover

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