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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-13478) RBF: Decommission subclusters from the federation
Date Wed, 18 Apr 2018 22:25:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443277#comment-16443277

Íñigo Goiri commented on HDFS-13478:

The idea would be to add a decommission table in the State Store and ignore this subcluster
when checking for locations.
We would need in dfsrouteradmin to disable/enable subclusters.

> 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
> 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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