Mingxiang Li created HDFS-16511:
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Summary: Change some frequent operations lock type.
Key: HDFS-16511
URL: https://issues.apache.org/jira/browse/HDFS-16511
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Mingxiang Li
Assignee: Mingxiang Li
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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