[jboss-jira] [JBoss JIRA] (JGRP-2150) More efficient message adding and draining

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-2150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-2150:
---------------------------
    Fix Version/s: 4.0


> More efficient message adding and draining
> ------------------------------------------
>
>                 Key: JGRP-2150
>                 URL: https://issues.jboss.org/browse/JGRP-2150
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 4.0
>
>
> In NAKACK2, UNICAST3 and in MaxOneThreadPerSenderPolicy, we have a pattern where aone or more producers add messages (to a table in NAKACK2 and UNICAST3, or to a MessageBatch in MaxOneThreadPerSenderPolicy) and then only *a single thread* can remove and deliver messages up the stack.
> This requires synchronization around (1) determining the thread will be remove messages, (2) adding messages to the table (or batch) and (3) removing messages from the table or batch.
> Unit tests DrainTest and MessageBatchDrainTest show how a simple AtomicInteger can be used to do this.



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