[jira] [Commented] (HDFS-17164) During rolling upgrade, datanode should copy-on-append when bumpReplicaGS

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-17164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18029932#comment-18029932 ] 

ASF GitHub Bot commented on HDFS-17164:
---------------------------------------

github-actions[bot] commented on PR #5974:
URL: https://github.com/apache/hadoop/pull/5974#issuecomment-3404077908

   We're closing this stale PR because it has been open for 100 days with no activity. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable.
   If you feel like this was a mistake, or you would like to continue working on it, please feel free to re-open it and ask for a committer to remove the stale tag and review again.
   Thanks all for your contribution.




> During rolling upgrade, datanode should copy-on-append when bumpReplicaGS
> -------------------------------------------------------------------------
>
>                 Key: HDFS-17164
>                 URL: https://issues.apache.org/jira/browse/HDFS-17164
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode, rolling upgrades
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>              Labels: pull-request-available
>
> During rolling upgrade, datanode create a trash directory for each block pool.  Then a block deletion becomes moving the block to trash.
> For bumpReplicaGS, it will rename the meta file and then continue writing to the block file.  It should copy the original block file and the original meta file to trash in order to support rollback.



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