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https://issues.apache.org/jira/browse/HDFS-15718?focusedWorklogId=523317&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-523317
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ASF GitHub Bot logged work on HDFS-15718:
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Author: ASF GitHub Bot
Created on: 11/Dec/20 21:31
Start Date: 11/Dec/20 21:31
Worklog Time Spent: 10m
Work Description: jbrennan333 closed pull request #2531:
URL: https://github.com/apache/hadoop/pull/2531
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Issue Time Tracking
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Worklog Id: (was: 523317)
Time Spent: 40m (was: 0.5h)
> Optimize hdfs token op writeLock
> --------------------------------
>
> Key: HDFS-15718
> URL: https://issues.apache.org/jira/browse/HDFS-15718
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs, namenode
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> [~daryn] noticed that token operations are acquiring the fsn write lock. Like
> lease renewal and token expiration, the read lock is sufficient because the
> namesystem is not mutated.
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