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https://issues.apache.org/jira/browse/HADOOP-13466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406694#comment-15406694
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Arpit Agarwal commented on HADOOP-13466:
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+1 pending Jenkins. Thanks [~vagarychen] for splitting out this reusable class
from the HDFS changes. The unit tests also look good!
Separately we can add Javadocs to the AutoCloseableLock methods since a lock
class should make its contract explicit.
> Using a separate lock class to replace using class object lock
> --------------------------------------------------------------
>
> Key: HADOOP-13466
> URL: https://issues.apache.org/jira/browse/HADOOP-13466
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Chen Liang
> Assignee: Chen Liang
> Attachments: HADOOP-13466.001.patch
>
>
> Add a separate lock class object into util, such that we can replace using
> class object lock. This would make it easier for us to understand locking
> behaviors. e.g., we may easily instrument the new lock class for better
> understanding of locking overhead.
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