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Posted to mapreduce-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2009/08/27 17:14:59 UTC
[jira] Created: (MAPREDUCE-922) Automatic configuration of number
of map and reduce slots based on available resources for dealing with
heterogenous clusters
Automatic configuration of number of map and reduce slots based on available resources for dealing with heterogenous clusters
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Key: MAPREDUCE-922
URL: https://issues.apache.org/jira/browse/MAPREDUCE-922
Project: Hadoop Map/Reduce
Issue Type: Sub-task
Components: tasktracker
Reporter: Arun C Murthy
Currently the number of map and reduce slots have to be configured manually, which is reasonable for homogeneous clusters. However, as the clusters start to change over time it becomes rather painful to administer and configure. We should start thinking along the direction of auto-magically configuring the slots based on available resources on the node such as RAM, CPU, disk etc.
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