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Posted to mapreduce-issues@hadoop.apache.org by "He Tianyi (JIRA)" <ji...@apache.org> on 2016/04/27 07:03:12 UTC

[jira] [Created] (MAPREDUCE-6687) Allow specifing java home via job configuration

He Tianyi created MAPREDUCE-6687:
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             Summary: Allow specifing java home via job configuration
                 Key: MAPREDUCE-6687
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6687
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
          Components: applicationmaster
            Reporter: He Tianyi
            Priority: Minor


Suggest allowing user to use a preferred JVM implementation (or version) by specifying java home via JobConf, to launch Map/Reduce tasks. 

Especially useful for running A/B tests on real workload or benchmark between JVM implementations.



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