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From Akira AJISAKA <ajisa...@oss.nttdata.co.jp>
Subject Re: Removal of unused properties
Date Fri, 10 Apr 2015 08:12:09 GMT
Thank you, Ray and Karthik!

Regards,
Akira

On 4/10/15 04:00, Karthik Kambatla wrote:
> Should be okay to remove.
>
> The policy was intended for configs that continue to be relevant like
> mapred.child.java.opts. In this case, since there is no TaskTracker
> anymore, leaving this config purely for compat reasons seems unnecessary.
> We could also improve the policies to clarify this.
>
> 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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