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https://reviews.apache.org/r/31423/
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(Updated Feb. 25, 2015, 9:22 p.m.)


Review request for Aurora, Brian Wickman and Zameer Manji.


Repository: aurora


Description (updated)
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Stop the announcer and status checkers before starting to kill the runners.

This allows the task to be removed from the ZK ensemble before it begins 
getting killed.  The delay can be significant if the task takes some time to 
shutdown, and during the time it stops responding to requests.


Diffs
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  src/main/python/apache/aurora/executor/aurora_executor.py 
9c0282392dbb9cca308baf47adc1750c1f5cacc6 

Diff: https://reviews.apache.org/r/31423/diff/


Testing
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We're now running this in our production environments.  Watching ZK, I can 
confirm that the nodes are removed before process shutdown begins.  Watching 
the executor log also confirms this.

I couldn't observe any other side effects either.


Thanks,

Steve Niemitz

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