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Posted to common-issues@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2016/06/17 00:05:05 UTC
[jira] [Updated] (HADOOP-12975) Add jitter to CachingGetSpaceUsed's
thread
[ https://issues.apache.org/jira/browse/HADOOP-12975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Colin Patrick McCabe updated HADOOP-12975:
------------------------------------------
Resolution: Fixed
Fix Version/s: 2.8.0
Target Version/s: 2.8.0
Status: Resolved (was: Patch Available)
> 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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