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From Ray Chiang <rchi...@cloudera.com>
Subject Re: Removal of unused properties
Date Thu, 09 Apr 2015 17:09:20 GMT
We have done this before where the properties were documented in the .xml
file, but didn't exist anywhere in the Configuration files or the rest of
the code.

HDFS-7566 (committed)
YARN-2460 (committed)
MAPREDUCE-6057 (pending)

-Ray

On Thu, Apr 9, 2015 at 4:33 AM, Akira AJISAKA <ajisakaa@oss.nttdata.co.jp>
wrote:

> Hi Folks,
>
> In MAPREDUCE-6307, I'd like to remove unused "mapreduce.tasktracker.
> taskmemorymanager.monitoringinterval" property, however, the
> compatibility document says "Hadoop-defined properties are to be deprecated
> at least for one major release before being removed."
>
> http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/
> hadoop-common/Compatibility.html#Hadoop_Configuration_Files
>
> Is it applicable for unused properties?
> Can we remove unused properties right now?
>
> Regards,
> Akira
>

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