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https://issues.apache.org/jira/browse/HDFS-1713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13002227#comment-13002227
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Suresh Srinivas commented on HDFS-1713:
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+1 for the patch.
> Hdfs Federation: Prevent DataBlockScanner from running in tight loop
> ---------------------------------------------------------------------
>
> Key: HDFS-1713
> URL: https://issues.apache.org/jira/browse/HDFS-1713
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Federation Branch
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Fix For: Federation Branch
>
> Attachments: HDFS-1713.1.patch
>
>
> In some test scenarios, if block pools are added and removed frequently, the
> block scanner runs in tight loop.
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