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https://issues.apache.org/jira/browse/KAFKA-10632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-10632.
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Resolution: Fixed
> Raft client should push all committed data to listeners
> -------------------------------------------------------
>
> Key: KAFKA-10632
> URL: https://issues.apache.org/jira/browse/KAFKA-10632
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Priority: Major
>
> We would like to move to a push model for sending committed data to the state
> machine. This simplifies the state machine a bit since it does not need to
> track its own position and poll for new data. It also allows the raft layer
> to ensure that all committed data up to the state of a leader epoch has been
> sent before allowing the state machine to begin sending writes. Finally, it
> allows us to take advantage of optimizations. For example, we can save the
> need to re-read writes that have been sent to the leader; instead, we can
> retain the data in memory and push it to the state machine after it becomes
> committed.
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