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From Mahadev Konar <>
Subject Re: Duplicate configuration options?
Date Mon, 10 Jun 2013 07:45:00 GMT
 Mostly looks like a harmless bug. Can you try removing these in globals.
It should probably work without being set.


On Sun, Jun 9, 2013 at 11:55 PM, JOAQUIN GUANTER GONZALBEZ <>wrote:

> Hello devs,
> I have been looking in detail the global configuration that Ambari uses to
> configure some of the services like MapRed and HDFS, and I have notices
> there is some duplication in some of the config keys, and I would like to
> know if this is a bug or a feature (and how to use it if it is a feature).
> For example, en the global config we have "mapred_child_java_opts_sz" and
> in the mapred config we have "". Same thing for
> "mapred_map_tasks_max", "mapred_red_tasks_max", "maxtasks_per_job" and
> others.
> Thanks!
> Ximo.
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