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https://issues.apache.org/jira/browse/HDFS-16889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17679157#comment-17679157
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Takanobu Asanuma commented on HDFS-16889:
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After looking deeper into the related JIRAs, and thinking again, it doesn't
seem easy to backport these patches to branch-3.3. Since branch-3.3 has already
been released five times and is mature, significant backporting changes like
HDFS-14090, HDFS-13522 and HDFS-16767 would have too much impact, even though
they keep backward compatibility.
> Backport JIRAs related to RBF SBN to branch-3.3
> -----------------------------------------------
>
> Key: HDFS-16889
> URL: https://issues.apache.org/jira/browse/HDFS-16889
> Project: Hadoop HDFS
> Issue Type: Task
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
>
> This is an umbrella JIRA to backport RBF SBN to branch-3.3. There are some
> conflicts when trying to backport HDFS-13522 and HDFS-16767, the main
> implementations of RBF SBN. Currently, to solve the conflicts, we need to
> backport the following JIRAs sequentially. (Thanks [~simbadzina] for the
> information.)
> # HDFS-14090
> # HDFS-15417
> # HDFS-16296
> # HDFS-16302
> # HDFS-15757
> # HDFS-13274
> # Then HDFS-13522
> # HDFS-16065
> # HDFS-16313
> # HDFS-16273
> # Then HDFS-16767 + other bug fixes.
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