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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-922) Automatic configuration of number of map and reduce slots based on available resources for dealing with heterogenous clusters
Date Thu, 27 Aug 2009 15:14:59 GMT
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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