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https://issues.apache.org/jira/browse/CASSANDRA-15214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16900410#comment-16900410
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Dinesh Joshi commented on CASSANDRA-15214:
------------------------------------------

Sounds great. [~benedict] who would be able to take up the audit? Is this 
something I can help with?

> OOMs caught and not rethrown
> ----------------------------
>
>                 Key: CASSANDRA-15214
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15214
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Messaging/Client, Messaging/Internode
>            Reporter: Benedict
>            Priority: Normal
>             Fix For: 4.0
>
>
> Netty (at least, and perhaps elsewhere in Executors) catches all exceptions, 
> so presently there is no way to ensure that an OOM reaches the JVM handler to 
> trigger a crash/heapdump.
> It may be that the simplest most consistent way to do this would be to have a 
> single thread spawned at startup that waits for any exceptions we must 
> propagate to the Runtime.
> We could probably submit a patch upstream to Netty, but for a guaranteed 
> future proof approach, it may be worth paying the cost of a single thread.



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