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https://issues.apache.org/jira/browse/KAFKA-16397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17829519#comment-17829519
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Apoorv Mittal commented on KAFKA-16397:
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[~chia7712] Yes please, go ahead.

> Use ByteBufferOutputStream to avoid array copy
> ----------------------------------------------
>
>                 Key: KAFKA-16397
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16397
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Chia-Ping Tsai
>            Priority: Minor
>
> from https://github.com/apache/kafka/pull/15148#discussion_r1531889679
> source code:
> https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/telemetry/internals/ClientTelemetryUtils.java#L216
> we can use ByteBufferOutputStream to collect the uncompressed data, and then 
> return the inner buffer directly instead of copying full array.



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