Vladimir Ozerov created IGNITE-3414:
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Summary: Hadoop: Optimize map-reduce job planning.
Key: IGNITE-3414
URL:
https://issues.apache.org/jira/browse/IGNITE-3414 Project: Ignite
Issue Type: Task
Components: hadoop
Affects Versions: 1.6
Reporter: Vladimir Ozerov
Assignee: Vladimir Ozerov
Priority: Critical
Fix For: 1.7
Currently Hadoop module has inefficient map-reduce planning engine. In particular, it assigns tasks only to affinity nodes. It could lead to situation when very huge tasks is processed by a single cluster node, while other cluster nodes are idle.
We should implement configurable map-reduce planner which will be able to utilize the whole cluster.
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