Re: How to set the number of tasks running on each slave?

mapred.tasktracker.map.tasks.maximum: how many map tasks can be run concurrently on a map-reduce slave node. mapred.tasktracker.reduce.tasks.maximum: how many reduce tasks can be run concurrently on a map-reduce slave node. mapred.reduce.tasks: how many reduce task for a specific job. mapred.map

Task process exit with nonzero status of 1

Hi, I recently got this error quite often. Does anyone know how to fix it? Thanks, Yin

Re: How to set the number of tasks running on each slave?

I depends on how many tasks you created, how many slave nodes in the cluster, how many slots allocated in each slave node, and how each node is occupied. Each of them has corresponding setting parameters. Please refer to hadoop document for more details. 2010/11/16 Shen LI > How to set the numbe

How to set the number of tasks running on each slave?

How to set the number of tasks running on each slave? (e.g., 4 tasks on each slave node) Thanks