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From "Zameer Manji" <>
Subject Re: Review Request 39670: Modify ClusterStateImpl to be thread safe.
Date Thu, 29 Oct 2015 20:44:59 GMT

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(Updated Oct. 29, 2015, 1:44 p.m.)

Review request for Aurora, Maxim Khutornenko and Bill Farner.


Bill's feedback.

Bugs: AURORA-1510

Repository: aurora


ClusterStateImpl exposes a synchronized multimap which does not have a thread-safe implementation
of `keySet`. This patch revises the `ClusterState` interface to offer more precise operations
and modifies `ClusterStateImpl` to makes all of these operations thread safe.

Diffs (updated)

  src/main/java/org/apache/aurora/scheduler/preemptor/ 42e2ca49b3c5de997cb5363e3518512d0f5a725e

  src/test/java/org/apache/aurora/scheduler/preemptor/ a1ac922d471013779710e02c0c9ca9f84b506807



./gradlew build -Pq

If the approach is good, I can update this with benchmark information.


Zameer Manji

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