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Posted to common-dev@hadoop.apache.org by "Eric Yang (JIRA)" <ji...@apache.org> on 2009/01/15 19:12:59 UTC

[jira] Assigned: (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:all-tabpanel ]

Eric Yang reassigned HADOOP-5051:
---------------------------------

    Assignee: Eric Yang

> 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
>         Environment: Redhat 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>
> 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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