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https://issues.apache.org/jira/browse/HDFS-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443532#comment-16443532
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Íñigo Goiri commented on HDFS-13478:
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Thanks [~linyiqun] for the comments.
After checking, we cannot reuse the membership table as it is updated per
Router and the way the heartbeat is done would overwrite everything.
For the length, I agree.
We can go with [^HDFS-13478.001.patch] which just does the basic wiring and
then we can do the RPC checks in another one.
We can remove the change for MembershipNamenodeResolver from
[^HDFS-13478.001.patch].
> RBF: Decommission subclusters from the federation
> -------------------------------------------------
>
> Key: HDFS-13478
> URL: https://issues.apache.org/jira/browse/HDFS-13478
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-13478.000.patch, HDFS-13478.001.patch
>
>
> We have a subcluster in our federation that is for testing and is
> missbehaving. This has a negative impact on the performance with operations
> that go to every subcluster (e.g., renewLease() or setSafeMode()).
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