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From "Cheng (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-75) iostat output overflow
Date Wed, 01 Apr 2009 21:23:12 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694754#action_12694754
] 

Cheng commented on CHUKWA-75:
-----------------------------

+1 --- null is better than '0'. please also make sure downstream app can handle null case.

> iostat output overflow
> ----------------------
>
>                 Key: CHUKWA-75
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-75
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>          Components: Data Processors
>         Environment: Redhat 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: CHUKWA-75-1.patch, CHUKWA-75.patch
>
>
> On older systems, iostat metrics contain random overflow.  The plan is the put in a filter
to remove the overflow in the demux parser to improve the data quality.

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