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From "Maxim Khutornenko" <ma...@apache.org>
Subject Re: Review Request 16054: Rewrite SchedulerLifecycle, employing a state machine.
Date Fri, 13 Dec 2013 20:06:04 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/16054/#review30371
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Ship it!


Ship It!

- Maxim Khutornenko


On Dec. 13, 2013, 7:39 p.m., Bill Farner wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/16054/
> -----------------------------------------------------------
> 
> (Updated Dec. 13, 2013, 7:39 p.m.)
> 
> 
> Review request for Aurora, Kevin Sweeney and Zameer Manji.
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> This change addresses two issues:
>   - Ensure leadership is canceled whenever onDefeated is called
>   - Scheduler should wait for registered to be called before attempting to invoke driver
> 
> Some additional structural changes were made:
>   - Driver.run() is no longer used.  Instead, we invoke Driver.start() (non-blocking),
and the lifecycle uses Driver.join() to await exit.
>     This allows us to avoid jumping through thread-safety hoops in unit tests.
>   - A shim interface (DelayedActions) was added to SchedulerLifecycle to make testing
easier when capturing delayed closures.
> 
> 
> Diffs
> -----
> 
>   src/main/java/com/twitter/aurora/scheduler/Driver.java e8fe170b2d9e1a752b152cedc0e006f10eaa5a11

>   src/main/java/com/twitter/aurora/scheduler/SchedulerLifecycle.java 346d52acc5fc9e4841e2dc8b424fc6d46d2cdc8c

>   src/main/java/com/twitter/aurora/scheduler/SchedulerModule.java bd7929d631cf45b4c2c7f39177bbafbd8f659071

>   src/main/java/com/twitter/aurora/scheduler/app/SchedulerMain.java ec99e01dd4f982ed5b794ff86b65e6f58d2a0e27

>   src/main/java/com/twitter/aurora/scheduler/storage/testing/StorageTestUtil.java ceef9d3bd4b43d2dcac0ab9129ae2b624ab654cf

>   src/test/java/com/twitter/aurora/scheduler/DriverTest.java 5609b0b8b9a26a737558316e8e4fab0235704cb8

>   src/test/java/com/twitter/aurora/scheduler/SchedulerLifecycleTest.java PRE-CREATION

>   src/test/java/com/twitter/aurora/scheduler/app/SchedulerIT.java 4c381b946c8a3c7bbe1757d384d5d43dd74bb4d0

> 
> Diff: https://reviews.apache.org/r/16054/diff/
> 
> 
> Testing
> -------
> 
> gradle clean build
> 
> 
> Thanks,
> 
> Bill Farner
> 
>


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