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https://issues.apache.org/jira/browse/HDDS-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan resolved HDDS-4268.
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Resolution: Invalid
> Prepare for Upgrade step should purge the log after waiting for the last txn
> to be applied.
> -------------------------------------------------------------------------------------------
>
> Key: HDDS-4268
> URL: https://issues.apache.org/jira/browse/HDDS-4268
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Major
> Labels: pull-request-available
>
> This is a follow up task from HDDS-4227 in which the prepare
> upgrade/downgrade task should purge the Raft log immediately after waiting
> for the last txn to be applied. This is to make sure that we dont "apply"
> transactions in different versions of the code across the quorum. A lagging
> follower will use a Ratis snapshot to bootstrap itself on restart.
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