[jboss-jira] [JBoss JIRA] (JGRP-2124) ByteArrayDataOutputStream: expand more conservatively

[Bela Ban (JIRA)]

Bela Ban created JGRP-2124:
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             Summary: ByteArrayDataOutputStream: expand more conservatively
                 Key: JGRP-2124
                 URL: https://issues.jboss.org/browse/JGRP-2124
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
            Priority: Minor
             Fix For: 4.0


Currently, unless exponential growth is enabled, BADOSs expand as follows:
{{new_length = remaining_length + new bytes required + 32}}

If we have a 1024 buffer with pos=4 and want to add 1024 bytes, then we expand the buffer to 1020 + 1024 + 32 = 2076 bytes which is wasted space.

I'm changing this to 
{{new_length = pos + new bytes required + 32}}. In the above example, we'd expand the buffer to 1060 bytes.

If we really wanted bigger expansion, exponential growth should be enabled.



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