Github user jbertram commented on the pull request:
https://github.com/apache/activemq-artemis/pull/245#issuecomment-159003967
Even though they have monitoring in place to avoid the OOME, the OOME is
still possible if something were to malfunction with regards to the monitoring.
I think the WARN is still valid. The broker has no way of knowing how it's
actually going to be used. It only knows how it has been configured. Users
can (and do) ignore WARN messages all the time when they know the messages
don't apply to their use-case, but that doesn't mean the WARN messages aren't
valid for lots of other use-cases.
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