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https://issues.apache.org/jira/browse/HDFS-5514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13823259#comment-13823259
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Jonathan Eagles commented on HDFS-5514:
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Hi, Daryn. I like what is going on here. One minor nit in addition to the above
feedback. Please remove the unnecessary _import
java.util.concurrent.locks.ReadWriteLock_ in TestFSNamesystem.java
> FSNamesystem's fsLock should allow custom implementation
> --------------------------------------------------------
>
> Key: HDFS-5514
> URL: https://issues.apache.org/jira/browse/HDFS-5514
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: HDFS-5514.patch
>
>
> Changing {{fsLock}} from a {{ReentrantReadWriteLock}} to an API compatible
> class that encapsulates the rwLock will allow for more sophisticated locking
> implementations such as fine grain locking.
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