[jboss-jira] [JBoss JIRA] (JGRP-1990) Headers: use 1 array rather than 2

[Bela Ban (JIRA)]

Bela Ban created JGRP-1990:
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             Summary: Headers: use 1 array rather than 2
                 Key: JGRP-1990
                 URL: https://issues.jboss.org/browse/JGRP-1990
             Project: JGroups
          Issue Type: Enhancement
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.6.7


Currently, {{Headers}} uses 1 array for ids and 1 for the actual headers. Experiment whether joining them into one array makes sense, e.g.:
{noformat}
| id-1 | hdr-1 | id-2 | hdr-2 | ... | id-n | hdr-n |
{noformat}

This saves 4 bytes (compressed OOPs) for an array ref, plus the overhead of the array itself. Plus, resizing only has to be applied to 1 array.



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