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From David McLaughlin <>
Subject Re: Review Request 59039: Add the ability to customize scheduling logic.
Date Thu, 11 May 2017 21:46:04 GMT

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(Updated May 11, 2017, 9:46 p.m.)

Review request for Aurora, Santhosh Kumar Shanmugham, Stephan Erb, and Zameer Manji.


Add mention of feature in release notes. Add doc to design docs.

Bugs: AURORA-1920

Repository: aurora


Add the ability to replace the first-fit scheduling algorithm and associated first-fit preemption

See design/proposal document here:

Diffs (updated)
----- 4e930fb1c5b87bca3cf4d8de804d69301f013f07 
  docs/development/ c942643d6220cb61eb97289b35d92facae06a682 
  src/main/java/org/apache/aurora/scheduler/preemptor/ PRE-CREATION

  src/main/java/org/apache/aurora/scheduler/preemptor/ PRE-CREATION

  src/main/java/org/apache/aurora/scheduler/preemptor/ 66d20290d381c041ac2f28903d6ba1468b352172

  src/main/java/org/apache/aurora/scheduler/state/ PRE-CREATION

  src/main/java/org/apache/aurora/scheduler/state/ 0186484208965c5b8942ec76eb078b30190c7d57

  src/test/java/org/apache/aurora/scheduler/preemptor/ da064e3589951d4f4cbff96d1ed89d9d7e4d3882





I've used this in one of our large-scale test clusters to plug in a custom task assigner.
We were able to remove our modifications to the OSS code-base and use this mechanism to do
what we need. Here is a rough gist of what it looks like:


David McLaughlin

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