Daniel Mitterdorfer 06c0055c0f
Have circuit breaker succeed on unknown mem usage
With this commit we implement a workaround for
https://bugs.openjdk.java.net/browse/JDK-8207200 which is a race
condition in the JVM that results in `IllegalArgumentException` to be
thrown in rare cases when we determine memory usage via `MemoryMXBean`.
As we do not want to fail requests in those cases we always return zero
memory usage.

Relates #31767
Relates #33125
2018-08-27 07:09:27 +02:00
..