Karthik Kambatla created YARN-453:
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Summary: Optimize FS internal data structures
Key: YARN-453
URL: https://issues.apache.org/jira/browse/YARN-453
Project: Hadoop YARN
Issue Type: Improvement
Affects Versions: 2.0.3-alpha
Reporter: Karthik Kambatla
Assignee: Karthik Kambatla
FS uses lists to store internal queues and sorts them on every heartbeat
leading to unnecessary scheduling overhead.
Choice of better data structures should reduce the latency.
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