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https://issues.apache.org/jira/browse/HDFS-16511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingxiang Li updated HDFS-16511:
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Status: Patch Available (was: Open)
https://github.com/apache/hadoop/pull/4085
> Change some frequent method lock type in ReplicaMap.
> ----------------------------------------------------
>
> Key: HDFS-16511
> URL: https://issues.apache.org/jira/browse/HDFS-16511
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Mingxiang Li
> Assignee: Mingxiang Li
> Priority: Major
>
> In HDFS-16429 we make LightWeightResizableGSet to be thread safe, and In
> HDFS-15382 we have split lock to block pool grain locks.After these
> improvement, we can change some method to acquire read lock replace to
> acquire write lock.
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