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https://issues.apache.org/jira/browse/CASSANDRA-13006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Shuler updated CASSANDRA-13006:
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Fix Version/s: (was: 3.0.15)
3.0.16
> Disable automatic heap dumps on OOM error
> -----------------------------------------
>
> Key: CASSANDRA-13006
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13006
> Project: Cassandra
> Issue Type: Bug
> Components: Configuration
> Reporter: anmols
> Assignee: Benjamin Lerer
> Priority: Minor
> Fix For: 3.0.16
>
> Attachments: 13006-3.0.9.txt
>
>
> With CASSANDRA-9861, a change was added to enable collecting heap dumps by
> default if the process encountered an OOM error. These heap dumps are stored
> in the Apache Cassandra home directory unless configured otherwise (see
> [Cassandra Support
> Document|https://support.datastax.com/hc/en-us/articles/204225959-Generating-and-Analyzing-Heap-Dumps]
> for this feature).
>
> The creation and storage of heap dumps aides debugging and investigative
> workflows, but is not be desirable for a production environment where these
> heap dumps may occupy a large amount of disk space and require manual
> intervention for cleanups.
>
> Managing heap dumps on out of memory errors and configuring the paths for
> these heap dumps are available as JVM options in JVM. The current behavior
> conflicts with the Boolean JVM flag HeapDumpOnOutOfMemoryError.
>
> A patch can be proposed here that would make the heap dump on OOM error honor
> the HeapDumpOnOutOfMemoryError flag. Users who would want to still generate
> heap dumps on OOM errors can set the -XX:+HeapDumpOnOutOfMemoryError JVM
> option.
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