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

[Bela Ban (JIRA)]

FRAG2: get rid of copy when using an offset and length in a message
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                 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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