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https://issues.apache.org/jira/browse/RATIS-563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze updated RATIS-563:
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Attachment: r563_20190522.patch
> Purge logs after snapshot only after all the nodes have catught up with the
> index
> ---------------------------------------------------------------------------------
>
> Key: RATIS-563
> URL: https://issues.apache.org/jira/browse/RATIS-563
> Project: Ratis
> Issue Type: Bug
> Components: snapshot
> Affects Versions: 0.3.0
> Reporter: Mukul Kumar Singh
> Priority: Major
> Attachments: r563_20190522.patch
>
>
> Leader will purge the snapshot after applying a transaction. A transaction is
> applied after a majority has been reached. This means that a slow follower
> will request for a transaction which has already been purged and for this
> transaction to catchup the leader has to transfer the snapshot. This can be
> detrimental for the performance while replicating.
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