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https://issues.apache.org/jira/browse/CASSANDRA-15214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Capwell updated CASSANDRA-15214:
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Fix Version/s: (was: 4.0-rc)
(was: 4.0)
4.0-beta4
Since Version: 4.0-beta2
Source Control Link:
https://github.com/apache/cassandra/commit/46ee939b957528185dc6bbd3028c1d6e695163e7
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> Internode messaging catches OOMs and does not rethrow
> -----------------------------------------------------
>
> Key: CASSANDRA-15214
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15214
> Project: Cassandra
> Issue Type: Bug
> Components: Messaging/Client, Messaging/Internode
> Reporter: Benedict Elliott Smith
> Assignee: Yifan Cai
> Priority: Normal
> Fix For: 4.0-beta4
>
> Attachments: oom-experiments.zip
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> 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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