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Ship it!


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- Aurora ReviewBot


On April 3, 2015, 8:04 p.m., Maxim Khutornenko wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/32597/
> -----------------------------------------------------------
> 
> (Updated April 3, 2015, 8:04 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
> -------
> 
> This is addressing the preemption efficiency loss due to making preemptor 
> async. Summary:
> - Implemented fair task processing by evaluating pending tasks in the order 
> of their TaskGroupKeys (largest count first)
> - Inverted the traversal of pending tasks to better reuse loop invariants. 
> Every slave is sized up against all pending tasks until a match is found
> - Moved relevant functionality from PreemptionSlotFinder (now 
> PreemptionVictimFilter) into PendingTaskProcessor.
> 
> The bulk of new functionality is in PendingTaskIterator and 
> PendingTaskProcessor. The rest is refactoring to adjust to the new traversal 
> approach.
> 
> 
> Diffs
> -----
> 
>   
> src/main/java/org/apache/aurora/scheduler/async/preemptor/PendingTaskIterator.java
>  PRE-CREATION 
>   
> src/main/java/org/apache/aurora/scheduler/async/preemptor/PendingTaskProcessor.java
>  67ad5d7f9909bc892301c19586561b6cdbfe79e6 
>   
> src/main/java/org/apache/aurora/scheduler/async/preemptor/PreemptionSlot.java 
> PRE-CREATION 
>   
> src/main/java/org/apache/aurora/scheduler/async/preemptor/PreemptionSlotCache.java
>  b5a42a0a0498f06a382576e2c3a839bbb7f1d2b1 
>   
> src/main/java/org/apache/aurora/scheduler/async/preemptor/PreemptionSlotFinder.java
>  427c0de205c28540b217e817bdbab10b4af5aee4 
>   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/main/java/org/apache/aurora/scheduler/base/TaskGroupKey.java 
> 6af3949b85297043640edccc1a490906c0fcff6c 
>   src/test/java/org/apache/aurora/scheduler/app/SchedulerIT.java 
> d212bbdf3c37be8e1e00eb169cf40b90fe69ed5f 
>   
> src/test/java/org/apache/aurora/scheduler/async/preemptor/PendingTaskIteratorTest.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 
>   
> src/test/java/org/apache/aurora/scheduler/async/preemptor/PreemptorSlotFinderTest.java
>  b80e558f18b817814e4768b13ff94aa816d28543 
> 
> Diff: https://reviews.apache.org/r/32597/diff/
> 
> 
> Testing
> -------
> 
> ./gradlew -Pq build
> Manual testing in vagrant
> 
> 
> Thanks,
> 
> Maxim Khutornenko
> 
>

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