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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (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 15:17:00 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-922:
------------------------------------

    Affects Version/s: 0.22.0

> Automatic configuration of number of map and reduce slots based on available resources
for dealing with heterogenous clusters
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-922
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-922
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: tasktracker
>    Affects Versions: 0.22.0
>            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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