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https://issues.apache.org/jira/browse/HDFS-15975?focusedWorklogId=589741&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-589741
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ASF GitHub Bot logged work on HDFS-15975:
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Author: ASF GitHub Bot
Created on: 27/Apr/21 13:38
Start Date: 27/Apr/21 13:38
Worklog Time Spent: 10m
Work Description: tasanuma commented on pull request #2940:
URL: https://github.com/apache/hadoop/pull/2940#issuecomment-827613630
The failed tests are not related.
(TestReconstructStripedFile#testErasureCodingWorkerXmitsWeight fails
with/without this PR. I will cherry-pick HDFS-15378.)
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Issue Time Tracking
-------------------
Worklog Id: (was: 589741)
Time Spent: 5h 40m (was: 5.5h)
> Use LongAdder instead of AtomicLong
> -----------------------------------
>
> Key: HDFS-15975
> URL: https://issues.apache.org/jira/browse/HDFS-15975
> Project: Hadoop HDFS
> Issue Type: Wish
> Reporter: tomscut
> Assignee: tomscut
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> When counting some indicators, we can use LongAdder instead of AtomicLong to
> improve performance. The long value is not an atomic snapshot in LongAdder,
> but I think we can tolerate that.
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