ReadLock should be enough for FsNameSystem#renewLease.
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Key: HDFS-2695
URL: https://issues.apache.org/jira/browse/HDFS-2695
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.24.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
Priority: Minor
When checking the issue HDFS-1241, found this point.
Since renewLease is not updating any nameSystem related data, can we make this
lock to read lock?
am i missing some thing here?
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