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https://issues.apache.org/jira/browse/MAPREDUCE-6204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14256687#comment-14256687
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sam liu commented on MAPREDUCE-6204:
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Gera,
I did a test:
1. Without the patch, current test TestJobCounters#MemoryLoaderMapper and
MemoryLoaderReducer will get value 'null' for properties
MAPRED_MAP_TASK_JAVA_OPTS and MAPRED_REDUCE_TASK_JAVA_OPTS during MR job
execution:
MAPRED_TASK_JAVA_OPTS=-Xms32m -Xmx1G
MAPRED_MAP_TASK_JAVA_OPTS=null
MAPRED_REDUCE_TASK_JAVA_OPTS=null
2. With the patch, current test TestJobCounters#MemoryLoaderMapper and
MemoryLoaderReducer will get correct value for all the properties:
MAPRED_TASK_JAVA_OPTS=-Xms32m -Xmx1G
MAPRED_MAP_TASK_JAVA_OPTS=-Xms32m -Xmx1G
MAPRED_REDUCE_TASK_JAVA_OPTS=-Xms32m -Xmx1G
> TestJobCounters should use new properties instead
> JobConf.MAPRED_TASK_JAVA_OPTS
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6204
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6204
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: test
> Affects Versions: 2.6.0
> Reporter: sam liu
> Assignee: sam liu
> Priority: Minor
> Attachments: MAPREDUCE-6204.patch
>
>
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