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From Harsh J <ha...@cloudera.com>
Subject Re: how to set mapred.tasktracker.map.tasks.maximum and mapred.tasktracker.reduce.tasks.maximum
Date Mon, 09 Jan 2012 15:18:21 GMT
Hi,

Please read http://hadoop.apache.org/common/docs/current/single_node_setup.html to learn how
to configure Hadoop using the various *-site.xml configuration files, and then follow http://hadoop.apache.org/common/docs/current/cluster_setup.html
to achieve optimal configs for your cluster.

On 09-Jan-2012, at 5:50 PM, hao.wang wrote:

> Hi ,all
>    Our hadoop cluster has 22 nodes including one namenode, one jobtracker and 20 datanodes.
>    Each node has 2 * 12 cores with 32G RAM
>    Dose anyone tell me how to config following parameters:
>    mapred.tasktracker.map.tasks.maximum
>    mapred.tasktracker.reduce.tasks.maximum
> 
> regards!
> 2012-01-09 
> 
> 
> 
> hao.wang 


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