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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3062) Need to capture the metrics for the network ios generate by dfs reads/writes and map/reduce shuffling and break them down by racks
Date Fri, 22 Aug 2008 12:34:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624778#action_12624778
] 

Hudson commented on HADOOP-3062:
--------------------------------

Integrated in Hadoop-trunk #581 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/])

> Need to capture the metrics for the network ios generate by dfs reads/writes and map/reduce
shuffling  and break them down by racks 
> ------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3062
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3062
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: metrics
>            Reporter: Runping Qi
>            Assignee: Chris Douglas
>             Fix For: 0.19.0
>
>         Attachments: 3062-0.patch, 3062-1.patch, 3062-2.patch, 3062-3.patch, 3062-4.patch,
3062-5.patch
>
>
> In order to better understand the relationship between hadoop performance and the network
bandwidth, we need to know 
> what the aggregated traffic data in a cluster and its breakdown by racks. With these
data, we can determine whether the network 
> bandwidth is the bottleneck when certain jobs are running on a cluster.

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