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Vladimir Ozerov commented on IGNITE-3414: ----------------------------------------- Yes, I meant LinkedHashSet here. > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)