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From "Aurora ReviewBot" <wfar...@apache.org>
Subject Re: Review Request 32907: Generalizing preemption reservation pool.
Date Tue, 07 Apr 2015 00:13:08 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/32907/#review79085
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Ship it!


Master (6fc7f58) is green with this patch.
  ./build-support/jenkins/build.sh

I will refresh this build result if you post a review containing "@ReviewBot retry"

- Aurora ReviewBot


On April 6, 2015, 11:51 p.m., Maxim Khutornenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/32907/
> -----------------------------------------------------------
> 
> (Updated April 6, 2015, 11:51 p.m.)
> 
> 
> Review request for Aurora, Bill Farner and Zameer Manji.
> 
> 
> Bugs: AURORA-1219
>     https://issues.apache.org/jira/browse/AURORA-1219
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> Current preemption model assumes tracking preemption slots/reservations by taskId. This
reduces preemption efficiency as it only takes a specific taskId scheduling round to claim
the PreemptionSlot and then subsequently make a slave reservation. 
> 
> This diff generalizes the preemption pool by TaskGroupKey. Preemption slots are now created
and cached by TaskGroupKey and are available to _any_ task from the same TaskGroup. 
> 
> This change should also simplify the algorithm in https://reviews.apache.org/r/32597/.
> 
> 
> Diffs
> -----
> 
>   src/main/java/org/apache/aurora/scheduler/async/AsyncModule.java e87dda47a355654c66f6f54fb25a4d9a7f68422d

>   src/main/java/org/apache/aurora/scheduler/async/TaskScheduler.java ebc520ebb4dddbc69b2b4a6f9174c1451d61887a

>   src/main/java/org/apache/aurora/scheduler/async/preemptor/BiCache.java PRE-CREATION

>   src/main/java/org/apache/aurora/scheduler/async/preemptor/PendingTaskProcessor.java
67ad5d7f9909bc892301c19586561b6cdbfe79e6 
>   src/main/java/org/apache/aurora/scheduler/async/preemptor/PreemptionSlotCache.java
b5a42a0a0498f06a382576e2c3a839bbb7f1d2b1 
>   src/main/java/org/apache/aurora/scheduler/async/preemptor/Preemptor.java 77617ec11119a2bcd062d5b80cd2b4c58dc80514

>   src/main/java/org/apache/aurora/scheduler/async/preemptor/PreemptorModule.java 1092c055588363794b37a965fb2f17a6e50d92d7

>   src/test/java/org/apache/aurora/scheduler/async/TaskSchedulerImplTest.java c5643d9d99fc46d55fd6c48161230139fb7f12b8

>   src/test/java/org/apache/aurora/scheduler/async/TaskSchedulerTest.java 88c0163170ebc25995d9ef8b1543335a4322bb8e

>   src/test/java/org/apache/aurora/scheduler/async/preemptor/BiCacheTest.java PRE-CREATION

>   src/test/java/org/apache/aurora/scheduler/async/preemptor/PendingTaskProcessorTest.java
bcd1b4e854f5ea227268c73156bc97c7c937c1de 
>   src/test/java/org/apache/aurora/scheduler/async/preemptor/PreemptionSlotCacheTest.java
80bd13a192bda64759b5a93749ec47ddfeae504a 
>   src/test/java/org/apache/aurora/scheduler/async/preemptor/PreemptorImplTest.java 281f4e02650727aa5d0a35a09dcf0eb823ad1b50

> 
> Diff: https://reviews.apache.org/r/32907/diff/
> 
> 
> Testing
> -------
> 
> ./gradlew -Pq build
> Manual testing in vagrant.
> 
> 
> Thanks,
> 
> Maxim Khutornenko
> 
>


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