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https://issues.apache.org/jira/browse/HDFS-5644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-5644:
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Summary: Reduce lock contention in libhdfs global class reference hash
table (was: Reduce lock contention in libhdfs.)
> Reduce lock contention in libhdfs global class reference hash table
> -------------------------------------------------------------------
>
> Key: HDFS-5644
> URL: https://issues.apache.org/jira/browse/HDFS-5644
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Chris Nauroth
>
> libhdfs has a hash table which contains class references. This hash table is
> shared between threads and currently uses a single global lock. The scope of
> this issue is to improve performance of libhdfs by removing this single
> global lock.
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