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https://issues.apache.org/jira/browse/KUDU-3752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin resolved KUDU-3752.
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Fix Version/s: 1.19.0
Resolution: Duplicate
> No auto-recovery when WAL fallback target is also GC'd
> ------------------------------------------------------
>
> Key: KUDU-3752
> URL: https://issues.apache.org/jira/browse/KUDU-3752
> Project: Kudu
> Issue Type: Bug
> Reporter: Marton Greber
> Priority: Major
> Fix For: 1.19.0
>
>
> When a leader detects an LMP_MISMATCH with a follower, it attempts to
> reconcile
> by falling back to the follower's last committed index and replaying WAL from
> that point. If the WAL for that fallback index has already been garbage
> collected, Kudu correctly logs "the follower will never be able to catch up" —
> but then takes no corrective action. The LMP_MISMATCH status is retried in an
> infinite loop, and the follower remains permanently stuck.
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