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https://issues.apache.org/jira/browse/HDFS-5314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe resolved HDFS-5314.
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Resolution: Fixed
Fix Version/s: HDFS-4949
> Do not expose CachePool type in AddCachePoolOp
> ----------------------------------------------
>
> Key: HDFS-5314
> URL: https://issues.apache.org/jira/browse/HDFS-5314
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS-4949
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: HDFS-4949
>
> Attachments: HDFS-5314-caching.001.patch, HDFS-5314-caching.002.patch
>
>
> {{CachePool}} is an internal type which should not be exposed or used in the
> {{FSEditLog}}. Because {{CachePool}} is mutable, storing a reference to it
> in an edit log operation could lead to the edit log operation changing as a
> result of the {{CachePool}} object being changed. Instead, we should store
> {{CachePoolInfo}}.
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