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Posted to yarn-issues@hadoop.apache.org by "Carlo Curino (JIRA)" <ji...@apache.org> on 2015/11/17 03:48:11 UTC
[jira] [Created] (YARN-4360) Improve GreedyReservationAgent to
support "early" allocations, and performance improvements
Carlo Curino created YARN-4360:
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Summary: Improve GreedyReservationAgent to support "early" allocations, and performance improvements
Key: YARN-4360
URL: https://issues.apache.org/jira/browse/YARN-4360
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Carlo Curino
The GreedyReservationAgent allocates "as late as possible". Per various conversations, it seems useful to have a mirror behavior that allocates as early as possible. Also in the process we leverage improvements from YARN-4358, and implement an RLE-aware StageAllocatorGreedy(RLE), which significantly speeds up allocation.
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