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https://issues.apache.org/jira/browse/KAFKA-1211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismael Juma updated KAFKA-1211:
-------------------------------
Labels: reliability (was: )
> Hold the produce request with ack > 1 in purgatory until replicas' HW has
> larger than the produce offset
> --------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-1211
> URL: https://issues.apache.org/jira/browse/KAFKA-1211
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Labels: reliability
> Fix For: 0.11.0.0
>
>
> Today during leader failover we will have a weakness period when the
> followers truncate their data before fetching from the new leader, i.e.,
> number of in-sync replicas is just 1. If during this time the leader has also
> failed then produce requests with ack >1 that have get responded will still
> be lost. To avoid this scenario we would prefer to hold the produce request
> in purgatory until replica's HW has larger than the offset instead of just
> their end-of-log offsets.
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