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https://issues.apache.org/jira/browse/HDFS-6988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182303#comment-14182303
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Colin Patrick McCabe commented on HDFS-6988:
--------------------------------------------

+1.  Thanks, Xiaoyu.  Will commit tomorrow if there are no more comments.

> Add configurable limit for percentage-based eviction threshold
> --------------------------------------------------------------
>
>                 Key: HDFS-6988
>                 URL: https://issues.apache.org/jira/browse/HDFS-6988
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Arpit Agarwal
>            Assignee: Xiaoyu Yao
>             Fix For: 3.0.0
>
>         Attachments: HDFS-6988.01.patch, HDFS-6988.02.patch, 
> HDFS-6988.03.patch, HDFS-6988.4.patch
>
>
> Per feedback from [~cmccabe] on HDFS-6930, we can make the eviction 
> thresholds configurable. The hard-coded thresholds may not be appropriate for 
> very large RAM disks.



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