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https://issues.apache.org/jira/browse/HDFS-6988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143664#comment-14143664
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Colin Patrick McCabe commented on HDFS-6988:
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bq. Adding an absolute upper limit to the percentage calculation would probably
address your concerns. I'll make a change.
Sure, as long as that upper limit is configurable. Thanks.
> Make RAM disk eviction thresholds configurable
> ----------------------------------------------
>
> Key: HDFS-6988
> URL: https://issues.apache.org/jira/browse/HDFS-6988
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: HDFS-6581
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: HDFS-6581
>
>
> 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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