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[Feature] Coordinator Server Supports coordinator epoch protect#2781

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zcoo wants to merge 1 commit intoapache:mainfrom
zcoo:20260302_coordinator_ha_epoch
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[Feature] Coordinator Server Supports coordinator epoch protect#2781
zcoo wants to merge 1 commit intoapache:mainfrom
zcoo:20260302_coordinator_ha_epoch

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@zcoo zcoo commented Mar 3, 2026

Purpose

Linked issue: close #2778

This is the part 2 pr for coordinator high availability focusing on "coordinator epoch" logic.
Will read for review when part 1 finished.

Brief change log

see https://cwiki.apache.org/confluence/display/FLUSS/FIP-9%3A+Support+CoordinatorServer+High+Availability

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@zcoo zcoo marked this pull request as draft March 3, 2026 06:56
@zcoo zcoo changed the title [server] Coordinator Server Supports High-Available [Feature] Coordinator Server Supports High-Available Mar 3, 2026
@zcoo zcoo changed the title [Feature] Coordinator Server Supports High-Available [Feature] Coordinator Server Supports coordinator epoch protect Mar 4, 2026
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[Feature] Support Epoch and ZkEpoch protect for Coordinator leader change

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