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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-9165) Dynamic Resource/Slot Configuration on NM/TT
Date Sun, 23 Dec 2012 08:02:12 GMT
Junping Du created HADOOP-9165:
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             Summary: Dynamic Resource/Slot Configuration on NM/TT
                 Key: HADOOP-9165
                 URL: https://issues.apache.org/jira/browse/HADOOP-9165
             Project: Hadoop Common
          Issue Type: New Feature
            Reporter: Junping Du


The current Hadoop MRV1/YARN resource management logic assumes per node (TT/NM) resource is
static during the lifetime of the TT/NM process. Allowing run-time configuration on per node
resource will give us finer granularity of resource elasticity. This allows Hadoop workloads
to coexist with other workloads on the same hardware efficiently, whether or not the environment
is virtualized.

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