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https://issues.apache.org/jira/browse/HDFS-5451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13825736#comment-13825736
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Colin Patrick McCabe commented on HDFS-5451:
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* remove some unnecessary includes
* fix error in the math of the new stats which caused incorrect values for
{{bytesCached}} (and the unit test failure)
* set CacheReplicationMonitor log level to {{TRACE}} in
{{PathBasedCacheRequests}}
> add more debugging for cache rescan
> -----------------------------------
>
> Key: HDFS-5451
> URL: https://issues.apache.org/jira/browse/HDFS-5451
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: 3.0.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-5451.001.patch, HDFS-5451.002.patch
>
>
> It would be nice to have message at DEBUG level that described all the
> decisions we made for cache entries. That way we could turn on this
> debugging to get more information. We should also store the number of bytes
> each PBCE wanted, and the number of bytes it got, plus the number of inodes
> it got, and output those in {{listDirectives}}.
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