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https://issues.apache.org/jira/browse/MAPREDUCE-5130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-5130:
-------------------------------------
Status: Open (was: Patch Available)
bq. mapreduce.(map|reduce).child.java.opts are special in that we need to fall
back to a separate config (mapred.child.java.opts) if they are not set.
It's the other way around.
Users should be able to continue to set mapred.child.java.opts and rely on it
to override mapreduce.(map|reduce).child.java.opts.
It's the same with the other configs too.
> Add missing job config options to mapred-default.xml
> ----------------------------------------------------
>
> Key: MAPREDUCE-5130
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5130
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 2.0.4-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
> Attachments: MAPREDUCE-5130-1.patch, MAPREDUCE-5130-1.patch,
> MAPREDUCE-5130-2.patch, MAPREDUCE-5130-3.patch, MAPREDUCE-5130-4.patch,
> MAPREDUCE-5130-5.patch, MAPREDUCE-5130.patch, MAPREDUCE-5130.patch
>
>
> I came across that mapreduce.map.child.java.opts and
> mapreduce.reduce.child.java.opts were missing in mapred-default.xml. I'll do
> a fuller sweep to see what else is missing before posting a patch.
> List so far:
> mapreduce.map/reduce.child.java.opts
> mapreduce.map/reduce.memory.mb
> mapreduce.job.jvm.numtasks
> mapreduce.input.lineinputformat.linespermap
> mapreduce.task.combine.progress.records
> mapreduce.map/reduce.env
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