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https://issues.apache.org/jira/browse/HADOOP-12975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15335051#comment-15335051
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Hudson commented on HADOOP-12975:
---------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9973 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9973/])
HADOOP-12975. Add jitter to CachingGetSpaceUsed's thread (Elliott Clark
(cmccabe: rev bf780406f2b30e627bdf36ac07973f6931f81106)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/GetSpaceUsed.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/DU.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CachingGetSpaceUsed.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestDU.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/WindowsGetSpaceUsed.java
> 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: 2.8.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 2.8.0
>
> Attachments: HADOOP-12975v0.patch, HADOOP-12975v1.patch,
> HADOOP-12975v2.patch, HADOOP-12975v3.patch, HADOOP-12975v4.patch,
> HADOOP-12975v5.patch, HADOOP-12975v6.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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