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https://issues.apache.org/jira/browse/CHUKWA-447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12801927#action_12801927
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Ari Rabkin commented on CHUKWA-447:
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Interesting. And sort of surprising, since both are spawning processes in a
loop. Increased 50% is how large an increase in absolute terms?
> Load increased by 50% when using ExecAdaptor instead of
> org.apache.hadoop.chukwa.inputtools.plugin.metrics.Exec+FileTailingAdaptor
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: CHUKWA-447
> URL: https://issues.apache.org/jira/browse/CHUKWA-447
> Project: Hadoop Chukwa
> Issue Type: Improvement
> Components: input tools
> Affects Versions: 0.3.0, 0.4.0
> Environment: Redhat EL 5.1, Java 6
> Reporter: Eric Yang
> Attachments: Picture 4.png
>
>
> While I am coming up a fix for CHUKWA-446, I notice the load average
> increased by ExecAdaptor. There is probably something that could be improved
> to reduce the cost of ExecAdaptor.
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