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https://issues.apache.org/jira/browse/CHUKWA-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694837#action_12694837
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Cheng commented on CHUKWA-75:
-----------------------------
usually i prefer not to use exception to control the flow. in this case, if the
data is not a number, a lot of NumberFormatException will be thrown. it could
slow down the system.
> 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-75-2.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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