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MapReduce >> mail # user >> property  mapred.tasktracker.map.tasks.maximum


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Re: property mapred.tasktracker.map.tasks.maximum
Anil is correct:

mapred.tasktracker.{map,reduce}.tasks.maximum == TaskTracker Service
Property. Applies via mapred-site.xml at each TT.

mapred.child.java.opts == Per-Job Overridable Property. Applies via
mapred-site.xml at each client, or via code (JobConf, Job, etc.).

On Thu, Nov 1, 2012 at 3:53 AM, anil gupta <[EMAIL PROTECTED]> wrote:
> Hi Andy,
>
> This property is related to MR so it has got nothing to do with NN. You need
> to put it on each TT.
>
> HTH,
> Anil
>
> On Wed, Oct 31, 2012 at 2:05 PM, Kartashov, Andy <[EMAIL PROTECTED]>
> wrote:
>>
>> Guys,
>>
>> Do you set the above property once on the master NN  in in mapred-site.xml
>> or on each DN/TTs.
>>
>> Similarly, what about property: mapred.child.java.opts. Once on NN or each
>> and every DN/TaskTrackers?
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>
>
>
> --
> Thanks & Regards,
> Anil Gupta

--
Harsh J