[jboss-jira] [JBoss JIRA] Commented: (JGRP-1133) NakReceiverWindow: make non blocking

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/browse/JGRP-1133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12567374#comment-12567374 ] 

Bela Ban commented on JGRP-1133:
--------------------------------

We can also replace the CHM for xmit_table with an unlocked HashMap: there is no need for locking, because we already have a RL or WL when we access xmit_table !

Preliminary tests showed perf going from 85MB/sec/node for 4 nodes on the same box going to 92MB/sec/node.

> NakReceiverWindow: make non blocking
> ------------------------------------
>
>                 Key: JGRP-1133
>                 URL: https://jira.jboss.org/browse/JGRP-1133
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.12
>
>
> Remove the read/write locks and use ConcurrentHashMap to make adds and removes concurrent

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