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https://issues.apache.org/jira/browse/HADOOP-5387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681796#action_12681796
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Hudson commented on HADOOP-5387:
--------------------------------
Integrated in Hadoop-trunk #778 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/778/])
> Collect disk read/write operation from iostat
> ---------------------------------------------
>
> Key: HADOOP-5387
> URL: https://issues.apache.org/jira/browse/HADOOP-5387
> Project: Hadoop Core
> Issue Type: New Feature
> Components: contrib/chukwa
> Environment: Redhat EL 5.1, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Minor
> Attachments: HADOOP-5387.patch
>
>
> In the demux stage, we should collect read/write operation per second from
> iostat and populate this information to system metrics.
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