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https://issues.apache.org/jira/browse/CASSANDRA-20677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Lightfoot updated CASSANDRA-20677:
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Complexity: Low Hanging Fruit (was: Normal)
> Migrate to JDK11 DirectByteBuffer cleaner (unsafe)
> --------------------------------------------------
>
> Key: CASSANDRA-20677
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20677
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Local/Other
> Reporter: Sam Lightfoot
> Assignee: Sam Lightfoot
> Priority: Normal
>
> Per comments in FileUtils::clean
> {code:java}
> // TODO Once we can get rid of Java 8, it's simpler to call
> sun.misc.Unsafe.invokeCleaner(ByteBuffer),
> // but need to take care of the attachment handling (i.e. whether 'buf' is a
> duplicate or slice) - that
> // is different in sun.misc.Unsafe.invokeCleaner and this implementation.
> {code}
> We can now use Unsafe.invokeCleaner to clean direct byte buffers which should
> tidy up the existing code.
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