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https://issues.apache.org/jira/browse/HDFS-5119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13787805#comment-13787805
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Chris Nauroth commented on HDFS-5119:
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[~andrew.wang] and [~cmccabe], FYI, I just filed HDFS-5313 for a new bug I
found in this edit log loading code.
> Persist CacheManager state in the edit log
> ------------------------------------------
>
> Key: HDFS-5119
> URL: https://issues.apache.org/jira/browse/HDFS-5119
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS-4949
> Reporter: Colin Patrick McCabe
> Assignee: Andrew Wang
> Fix For: HDFS-4949
>
> Attachments: hdfs-5119-1.patch, hdfs-5119-2.patch, hdfs-5119-3.patch,
> hdfs-5119-4.patch
>
>
> CacheManager state should be persisted in the edit log. At the moment, this
> state consists of information about cache pools and cache directives. It's
> not necessary to persist any information about what is cached on the
> DataNodes at any particular moment, since this changes all the time.
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