[ 
https://issues.apache.org/jira/browse/HADOOP-12975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Elliott Clark updated HADOOP-12975:
-----------------------------------
    Attachment: HADOOP-12975v3.patch

* Added a default jitter config that's a set time.


> 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.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: common-issues-h...@hadoop.apache.org

Reply via email to