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https://issues.apache.org/jira/browse/KAFKA-14635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17685183#comment-17685183
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Divij Vaidya commented on KAFKA-14635:
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This might not have much benefit since Zstd-JNI uses primitiveArray API of JNI
to access the heap buffer directly without any copying. Hence, usage of direct
buffer may not produce much impact. This needs to be validated with a prototype
and benchmark.
> Compression optimization: Use direct memory buffers for (de)compression
> -----------------------------------------------------------------------
>
> Key: KAFKA-14635
> URL: https://issues.apache.org/jira/browse/KAFKA-14635
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Divij Vaidya
> Priority: Major
>
> Provide a pool of direct buffers to zstd-jni for it’s internal usage. Direct
> buffers is an ideal use case for scenarios where data is transferred across
> JNI such as the case in (de) compression. The latest version of zstd-jni
> works with direct buffers.
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