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https://issues.apache.org/jira/browse/HBASE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626770#comment-13626770
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Andrew Purtell commented on HBASE-8258:
---------------------------------------

bq. doing the math this could mean allocating 64gb of vmem which may be 
excessive

It is. This wouldn't work on EC2 jenkins as each instance has 15 GB total RAM 
and 0 GB swap. A max of 12 GB is still excessive IMHO.
                
> Make mapreduce tests pass on hadoop2
> ------------------------------------
>
>                 Key: HBASE-8258
>                 URL: https://issues.apache.org/jira/browse/HBASE-8258
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.95.1
>
>         Attachments: 8258-plain.txt, 8258-v1-hadoop-2.0.txt, 
> 8258-v2-hadoop-2.0.txt, 8258-v4-hadoop-2.0.txt, hbase-8258-simple.patch, 
> hbase-8258.simple.v2.patch, hbase-8258.simple.v3.patch, 
> hbase-8258.simple.v4.patch
>
>
> HBASE-7904 was a first attempt at making this work but it got lost in the 
> weeds.
> This is a new attempt at making hbase mapreduce jobs run on hadoop2 (w/o 
> breaking mapreduce on hadoop1)

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