Hello,
Could someone please help me to understand these configuration parameters in
depth.
mapred.map.tasks and mapred.reduce.tasks
It is mentioned that default value of these parameters is 2 and 1.
*What does it mean?*
Does it mean 2 maps and 1 reduce per node.
Does it mean 2 maps and 1 redu
Amit,
On Wed, Feb 22, 2012 at 5:08 PM, sangroya wrote:
> Hello,
>
> Could someone please help me to understand these configuration parameters in
> depth.
>
> mapred.map.tasks and mapred.reduce.tasks
>
> It is mentioned that default value of these parameters is 2 and 1.
>
> *What does it mean?*
>
If I am correct :
For setting mappers/node --- mapred.tasktracker.map.tasks.maximum
For setting reducers/node --- mapred.tasktracker.reduce.tasks.maximum
For setting mappers/job mapred.map.tasks (applicable for whole cluster)
For setting reducers/job mapred.reduce.tasks(same)
You can
On 02/22/2012 03:38 AM, sangroya wrote:
Hello,
Could someone please help me to understand these configuration parameters in
depth.
mapred.map.tasks and mapred.reduce.tasks
It is mentioned that default value of these parameters is 2 and 1.
*What does it mean?*
Does it mean 2 maps and 1 redu