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https://issues.apache.org/jira/browse/HDFS-13478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443503#comment-16443503
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Yiqun Lin commented on HDFS-13478:
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[~elgoiri], I did a quick glance for the patch, some thoughts from me:
* If we make decommission info as a separate table, that mean we will do the
query operation for State Store from one time to twice. Does this will make any
performance impact?
* Looks like this patch is large. We could separate this into two parts:
# Decommission Store APIs implementation (Seems HDFS-13478.000.patch is just
doing on this).
# Add checking logic in Router sever side and corresponding test for the
decommission case.
> 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
>
>
> 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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