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https://issues.apache.org/jira/browse/CASSANDRA-17795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17578057#comment-17578057
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Josh McKenzie commented on CASSANDRA-17795:
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||Item|Link||
|PR|[link|https://github.com/apache/cassandra/pull/1778]|
|JDK8
CI|[link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/265/workflows/97f41ba8-19c8-4500-8051-2936683cec54]|
|JDK11
CI|[link|https://app.circleci.com/pipelines/github/josh-mckenzie/cassandra/265/workflows/76443035-b541-4b71-ac3a-786d74d51368]|
While this is _kind_ of a dev feature, it's also something that it'd be useful
to be able to ask users to enable in the case they're seeing something so we
can get heap dumps from them to be able to debug it.
> Add ability to generate a one-time heap dump output to a file on Unhandled
> Exceptions
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17795
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17795
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Other
> Reporter: Josh McKenzie
> Assignee: Josh McKenzie
> Priority: Normal
>
> We should add the optional hot-proppable / in .yaml ability to collect a heap
> dump when any uncaught exception is handled by the {{JVMStabilityInspector}},
> assuming it's not an OOM or something that marks the JVM unstable.
> This has come in handy in a variety of prod debugging scenarios and would be
> good to have baked into the DB proper for operators.
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