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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/06/21 09:04:00 UTC
[jira] [Work logged] (HDFS-16082) Avoid non-atomic operations on
exceptionsSinceLastBalance and failedTimesSinceLastSuccessfulBalance in
Balancer
[ https://issues.apache.org/jira/browse/HDFS-16082?focusedWorklogId=612504&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-612504 ]
ASF GitHub Bot logged work on HDFS-16082:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Jun/21 09:03
Start Date: 21/Jun/21 09:03
Worklog Time Spent: 10m
Work Description: virajjasani opened a new pull request #3127:
URL: https://github.com/apache/hadoop/pull/3127
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Issue Time Tracking
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Worklog Id: (was: 612504)
Remaining Estimate: 0h
Time Spent: 10m
> Avoid non-atomic operations on exceptionsSinceLastBalance and failedTimesSinceLastSuccessfulBalance in Balancer
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-16082
> URL: https://issues.apache.org/jira/browse/HDFS-16082
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Balancer has introduced 2 volatile int as part of HDFS-13783 namely: exceptionsSinceLastBalance and failedTimesSinceLastSuccessfulBalance. However, we are performing non-atomic operations on it. Since non-atomic operations done here mostly depend on their previous values, we should use AtomicInteger for both.
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