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https://issues.apache.org/jira/browse/KAFKA-13884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17542168#comment-17542168
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lqjacklee commented on KAFKA-13884:
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[~jagsancio] I plan add observer.refresh.time.ms in the
org.apache.kafka.raft.RaftConfig. Once the observer receive FetchResponse, I
will check the condition that System.currentTimeMillis()-lastFetchRefreshTimeMs
> observer.refresh.time.ms. I will flush the log and update the HWM. what’s do
you think?
> KRaft Obsever are not required to flush on every append
> -------------------------------------------------------
>
> Key: KAFKA-13884
> URL: https://issues.apache.org/jira/browse/KAFKA-13884
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Jose Armando Garcia Sancio
> Priority: Major
>
> The current implementation of the KRaft Client flushes to disk when observers
> append to the log. This is not required since observer don't participate in
> leader election and the advancement of the high-watermark.
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