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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2007/07/13 20:44:04 UTC

[jira] Work started: (HADOOP-1553) Extensive logging of C++ application can slow down task by an order of magnitude

     [ https://issues.apache.org/jira/browse/HADOOP-1553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-1553 started by Owen O'Malley.

> Extensive logging of C++ application can slow down task by an order of magnitude
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-1553
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1553
>             Project: Hadoop
>          Issue Type: Bug
>          Components: pipes
>    Affects Versions: 0.13.0
>            Reporter: Christian Kunz
>            Assignee: Owen O'Malley
>            Priority: Blocker
>             Fix For: 0.14.0
>
>
> We observed that extensive logging (due to some configuration mistake) of a c++ application using the pipes interface can slow down the task by an order of magnitude. During that time disk usage was not high, with no abnormal memory usage, and basically idle CPU.

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