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https://issues.apache.org/jira/browse/KAFKA-16536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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José Armando García Sancio updated KAFKA-16536:
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Fix Version/s: 3.9.0
> Use BeginQuorumEpoch as the leader's heartbeat
> ----------------------------------------------
>
> Key: KAFKA-16536
> URL: https://issues.apache.org/jira/browse/KAFKA-16536
> Project: Kafka
> Issue Type: Sub-task
> Components: kraft
> Reporter: José Armando García Sancio
> Assignee: Alyssa Huang
> Priority: Major
> Fix For: 3.9.0
>
>
> Change the leader's implementation of the BeginQuorumEpoch to behave more
> like a heartbeat mechanism. The first implementation can just send the
> request at some interval (half the fetch timeout).
> Future implementations can conserve resource by tracking fetch timeouts per
> remote voter.
> This change is needed because voters discover the leader and the leader's
> endpoints through the BeginQuorumEpoch RPC. The leader id is persisted in
> quorum-state but the leader's endpoints are not persisted to disk. That means
> that if the voter restarts it needs to rediscover the leader through the
> BeginQuorumEpoch RPC.
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