[jboss-jira] [JBoss JIRA] (JGRP-1745) Optimize in-memory object size

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-1745:
---------------------------
    Fix Version/s: 3.6.8
                       (was: 4.0)


Done for most important classes

> Optimize in-memory object size
> ------------------------------
>
>                 Key: JGRP-1745
>                 URL: https://issues.jboss.org/browse/JGRP-1745
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 3.6.8
>
>
> Get the Java Object Layout tool from [1] and 
> * Measure the size of objects which are frequently allocated in memory, e.g.
> ** Message
> ** Event
> ** Header subclasses (TpHeader, UNICAST3$Header, STABLE$Header, NakaAckHeader3)
> Try to remove fields which are not absolutely needed and  / or can be moved into the superclass.
> E.g.: {{NakAckHeader2.sender}} might get removed: can't we determine the sender from the message ? (Maybe not, if sender is the original sender, not the sender of the message)
> [1] https://github.com/Sanne/java-object-layout



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