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https://issues.apache.org/jira/browse/HADOOP-17751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuesen Liang updated HADOOP-17751:
----------------------------------
    Labels: Umbrella  (was: )

> Reduce lock contention in org.apache.hadoop.conf.Configuration
> --------------------------------------------------------------
>
>                 Key: HADOOP-17751
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17751
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common
>            Reporter: Xuesen Liang
>            Priority: Major
>              Labels: Umbrella
>
> There are many locks in class *Configuration.*
> These locks are bad for performance.
> Some locks can be removed.



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