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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5358) Provide scripting functionality to the synthetic load generator
Date Tue, 10 Mar 2009 18:34:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680574#action_12680574
] 

Jakob Homan commented on HADOOP-5358:
-------------------------------------

Unit tests all pass except known-bad in HADOOP-5421, which is unrelated.
{noformat}
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 7 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
{noformat}

> Provide scripting functionality to the synthetic load generator
> ---------------------------------------------------------------
>
>                 Key: HADOOP-5358
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5358
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: test
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>            Priority: Minor
>         Attachments: HADOOP-5358.patch, HADOOP-5358.patch, HADOOP-5358.patch, HADOOP-5358.patch,
HADOOP-5358.patch
>
>
> Currently the load generator accepts parameters at start time as to the read and write
probabilities to apply against the namenode.  It would be useful to be able to provide it
with a script of these values, so that they can be varied over time.  This would allow the
namenode to be tested with varying loads over time so its behavior to changing loads can be
examined.

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