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Posted to common-dev@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2009/03/13 16:05:57 UTC

[jira] Commented: (HADOOP-5051) hdfs throughput calculation is incorrect in chukwa database

    [ https://issues.apache.org/jira/browse/HADOOP-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681794#action_12681794 ] 

Hudson commented on HADOOP-5051:
--------------------------------

Integrated in Hadoop-trunk #778 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/778/])
    

> hdfs throughput calculation is incorrect in chukwa database
> -----------------------------------------------------------
>
>                 Key: HADOOP-5051
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5051
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/chukwa
>         Environment: Redhat 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: HADOOP-5051-1.patch
>
>
> The SQL statement to calculate hdfs throughput is incorrect.  The correct algorithm is to calculate metrics rate for individual datanode then sum up of all datanode's rate to get the total throughput for the cluster.

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