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Posted to common-dev@hadoop.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/05/09 07:34:45 UTC
[jira] Created: (HADOOP-5797) Better distribution in the
PerformanceEvaluation MapReduce when rows run to the Billions
Better distribution in the PerformanceEvaluation MapReduce when rows run to the Billions
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Key: HADOOP-5797
URL: https://issues.apache.org/jira/browse/HADOOP-5797
Project: Hadoop Core
Issue Type: Bug
Reporter: stack
Assignee: stack
Fix For: 0.20.0
Performance Evaluation when the number of clients was large (and thus number of rows to input) was clumping.... so we'd beat up on one box then the next.
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[jira] Updated: (HADOOP-5797) Better distribution in the
PerformanceEvaluation MapReduce when rows run to the Billions
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-5797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HADOOP-5797:
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Attachment: pe.java
Randomize the way we write the splits.
> Better distribution in the PerformanceEvaluation MapReduce when rows run to the Billions
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-5797
> URL: https://issues.apache.org/jira/browse/HADOOP-5797
> Project: Hadoop Core
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Fix For: 0.20.0
>
> Attachments: pe.java
>
>
> Performance Evaluation when the number of clients was large (and thus number of rows to input) was clumping.... so we'd beat up on one box then the next.
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