hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jason Venner <ja...@attributor.com>
Subject Re: mapred.tasktracker.map.tasks.maximum
Date Wed, 02 Jan 2008 20:08:53 GMT
In our case, we have specific jobs that due to resource constraints can 
only be run serially (ie: 1 instance per machine).
Most of our jobs are more normal and can be run in parallel on the machines.

Arun C Murthy wrote:
> Billy,
>
>
> On Wed, Jan 02, 2008 at 01:38:06PM -0600, Billy wrote:
>   
>> If I add this to a command line as a -jobconf should it be enforced?
>>
>>     
>
> This is a property of the TaskTracker and hence cannot be set on a per-job basis...
>
>   
>> Say I have a job that I want to run only 1 map at a time per server
>>
>>     
>
> Could you describe your reasons?
>
> Arun
>
>   
>> I have tried this and look in the job.xml file and its set correctly but not 
>> enforced.
>>
>>     
>
>
>   
>> Billy
>>
>>
>>
>>     

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message