Github user ScrapCodes commented on the pull request:
https://github.com/apache/spark/pull/715#issuecomment-42797519
> It also turns out that it is unlikely that the IndestructibleActorSystem
actually works, given testing (here).
I works but in case of OOMs, the behavior can be very sporadic. The only
reason it was needed was in akka 2.0.x days netty was tolerating OOMs and it
was thus never the *chance* that Akka got to deal with them. Since netty almost
always had them and mostly manage to eat them. Very weird things. Just saying
for posterity.
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