[jboss-jira] [JBoss JIRA] Resolved: (JGRP-802) FRAG2: get rid of copy when using an offset and length in a message

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-802.
---------------------------

    Resolution: Done


> FRAG2: get rid of copy when using an offset and length in a message
> -------------------------------------------------------------------
>
>                 Key: JGRP-802
>                 URL: https://jira.jboss.org/jira/browse/JGRP-802
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 2.7
>
>
> Currently, fragment() calls Message.getBuffer() which returns a copy of a message if offset != 0. This copy is not necessary, as we can compute the fragment list starting with an offset (Util.computeFragOffsets()).
> This is not a frequent use case, as most users probably pass a new buffer into Channel.send(Message), and don't use offsets. However, if they do, we create a superfluous copy !

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