[ https://issues.apache.org/jira/browse/HDFS-5589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Wang updated HDFS-5589:
------------------------------

    Assignee: Andrew Wang
      Status: Patch Available  (was: Open)

> 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
>         Attachments: hdfs-5589-1.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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