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https://issues.apache.org/jira/browse/DIRMINA-518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12562068#action_12562068
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David M. Lloyd commented on DIRMINA-518:
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That's quite surprising, but looking at the openjdk codebase confirms it. I'm
very surprised that it is implemented this way - I assumed (silly me) that a
gathering write would use a gathering write in the underlying OS, but I guess
not. Amazing!
> Support gathering writes
> ------------------------
>
> Key: DIRMINA-518
> URL: https://issues.apache.org/jira/browse/DIRMINA-518
> Project: MINA
> Issue Type: New Feature
> Components: Core
> Reporter: David M. Lloyd
> Priority: Minor
> Fix For: 2.0.0-M1
>
>
> It may be worthwhile to enhance the various processor implementations to
> accept a Collection<IoBuffer> or IoBuffer[] and perform a gathering write
> across all the collection members. For datagram protocols, this would allow
> messages to be composed without copying. For stream protocols, this might
> simply improve performance. In addition, stream protocols could benefit from
> doing gathering writes in general when there are many buffers queued up.
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