Wei Shao created YARN-3808:
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Summary: Proposal of Time Based Fair Scheduling for YARN
Key: YARN-3808
URL: https://issues.apache.org/jira/browse/YARN-3808
Project: Hadoop YARN
Issue Type: Improvement
Components: fairscheduler, scheduler
Reporter: Wei Shao
This proposal talks about the issues of YARN fair scheduling policy, and tries
to solve them by YARN-3806 and the new scheduling policy called time based fair
scheduling.
Time based fair scheduling policy is proposed to enforces time based fairness
among users. For example, if two users share the cluster weekly, each user’s
fair share is half of the cluster per week. At a particular week, if the first
user has used the whole cluster for first half of the week, then in second half
of the week, second user will always have priority to use cluster resources
since the first user has used up its fair share of the cluster already.
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