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https://issues.apache.org/jira/browse/HDFS-5451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828145#comment-13828145
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Andrew Wang commented on HDFS-5451:
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+1 thanks Colin, will commit shortly. I like {{DirectiveStats}} more than the
additional PBCD fields, so maybe we can do that after the big rename.
> 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,
> HDFS-5451.003.patch, HDFS-5451.004.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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