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https://reviews.apache.org/r/59640/
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Review request for Aurora, David McLaughlin, Santhosh Kumar Shanmugham, Stephan
Erb, and Zameer Manji.
Bugs: AURORA-1928
https://issues.apache.org/jira/browse/AURORA-1928
Repository: aurora
Description
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Currently, when updating a job we choose to update instances naively by
ascending instance ID number.
However, it would be better to add new instances before killing and updating
older instances.
This patch makes it so the job updater prefers to create new instances, then
update instances, and finally kill instances.
Diffs
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src/main/java/org/apache/aurora/scheduler/updater/UpdateFactory.java
14c2d2de3186271819a5f4e527d3b30fd34d2b21
src/test/java/org/apache/aurora/scheduler/updater/JobUpdaterIT.java
290385d737294e23e9dd50f2631303124aa7af7c
src/test/java/org/apache/aurora/scheduler/updater/UpdateFactoryImplTest.java
611f6b8681c8e0b286cd361bdb5ace1fea39d9a5
Diff: https://reviews.apache.org/r/59640/diff/1/
Testing
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Ran unit tests and integration tests.
Had to modify some integration tests since we now prefer to create over update
-- needed to change
the ordering of actions. Additionally, some unit tests only specified configs
for one instance even
though desiredInstances is always 2 -- had to make it so the range of
configurations is always 0-2
when creating. Otherwise, it would try to create instances first even though
the test didn't really
care.
Tested different update configurations on the Vagrant cluster: only adding
instances, only updating
instances, only killing instances, create & update, update & kill.
Thanks,
Jordan Ly
