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https://issues.apache.org/jira/browse/CASSANDRA-13789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16184728#comment-16184728
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Sylvain Lebresne commented on CASSANDRA-13789:
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[~norman]: haven't looked that the Netty code, but would it be easy/reasonable
to add a {{ByteBuf::writeBytes(ByteBuffer, int, int)}} (or basically anything
to transfer from a {{ByteBuffer}} without advancing the position)? That would
allow us to save the {{duplicate()}} without the current concurrency issue.
> Reduce memory copies and object creations when acting on ByteBufs
> ------------------------------------------------------------------
>
> Key: CASSANDRA-13789
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13789
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Norman Maurer
> Assignee: Norman Maurer
> Fix For: 4.0
>
> Attachments:
> 0001-CBUtil.sizeOfLongString-encodes-String-to-byte-to-ca.patch,
> 0001-Reduce-memory-copies-and-object-creations-when-actin.patch
>
>
> There are multiple "low-hanging-fruits" when it comes to reduce memory copies
> and object allocations when acting on ByteBufs.
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