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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/10/01 18:52:00 UTC
[jira] [Updated] (HDDS-4268) Prepare for Upgrade step should purge
the log after waiting for the last txn to be applied.
[ https://issues.apache.org/jira/browse/HDDS-4268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated HDDS-4268:
---------------------------------
Labels: pull-request-available (was: )
> 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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