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Make requestUtilization map thread safe. #1850

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merged 2 commits into from Sep 26, 2018
Merged

Make requestUtilization map thread safe. #1850

merged 2 commits into from Sep 26, 2018

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baconmania
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The requestUtilizations map is iterated over when it gets loaded into a new HashMap here:

Singularity/SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityLeaderCache.java

Line 460 in 2c77825

return new HashMap<>(requestUtilizations);

Because requestUtilizations wasn't previously threadsafe, we'd get occasional ConcurrentModificationExceptions here.

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@ssalinas ssalinas merged commit b8c5c42 into master Sep 26, 2018
@ssalinas ssalinas deleted the threadsafe-utilization-map branch September 26, 2018 13:28
@ssalinas ssalinas added this to the 0.21.0 milestone Sep 26, 2018
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@baconmania @ssalinas