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https://issues.apache.org/jira/browse/HDFS-5589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-5589:
------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Status: Resolved (was: Patch Available)
Resolving as this was committed to trunk.
> Namenode loops caching and uncaching when data should be uncached
> -----------------------------------------------------------------
>
> Key: HDFS-5589
> URL: https://issues.apache.org/jira/browse/HDFS-5589
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: caching, namenode
> Affects Versions: 3.0.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Fix For: 3.0.0
>
> Attachments: hdfs-5589-1.patch, hdfs-5589-2.patch
>
>
> This was reported by [~cnauroth] and [~brandonli], and [~schu] repro'd it too.
> If you add a new caching directive then remove it, the Namenode will
> sometimes get stuck in a loop where it sends DNA_CACHE and then DNA_UNCACHE
> repeatedly to the datanodes where the data was previously cached.
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