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Posted to common-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2016/05/06 18:20:13 UTC
[jira] [Commented] (HADOOP-12975) Add jitter to
CachingGetSpaceUsed's thread
[ https://issues.apache.org/jira/browse/HADOOP-12975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15274501#comment-15274501 ]
Hadoop QA commented on HADOOP-12975:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s {color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s {color} | {color:red} HADOOP-12975 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12802713/HADOOP-12975v3.patch |
| JIRA Issue | HADOOP-12975 |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/9308/console |
| Powered by | Apache Yetus 0.3.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Add jitter to CachingGetSpaceUsed's thread
> ------------------------------------------
>
> Key: HADOOP-12975
> URL: https://issues.apache.org/jira/browse/HADOOP-12975
> Project: Hadoop Common
> Issue Type: Sub-task
> Affects Versions: 2.9.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Attachments: HADOOP-12975v0.patch, HADOOP-12975v1.patch, HADOOP-12975v2.patch, HADOOP-12975v3.patch
>
>
> Running DU across lots of disks is very expensive and running all of the processes at the same time creates a noticeable IO spike. We should add some jitter.
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