[jboss-jira] [JBoss JIRA] (JGRP-1540) TP: simplified message bundler

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754179#comment-12754179 ] 

Bela Ban commented on JGRP-1540:
--------------------------------

So this new type of bundler *is* actually TransferQueueBundler2 !
I removed DefaultBundler2 and TransferQueueBundler and renamed TransQueueBundler2 to TransferQueueBundler. So "new" (default) is TransferQueueBundler and "old" is DefaultBundler
                
> TP: simplified message bundler
> ------------------------------
>
>                 Key: JGRP-1540
>                 URL: https://issues.jboss.org/browse/JGRP-1540
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.3
>
>
> Instead of maintaining a hashmap (like for the current bundlers), a simple blocking bounded queue of messages would be used. Whenever we've reached M bytes or N milliseconds have elapsed, a consumer thread processes the queue in the following manner:
> * First set the queue to a new queue (volatile assignment), reuse a number of queues
> * Iterate through all messages in the current queue, for each message:
>   ** If the destination is the same as the current destination, write the message to the stream for the current destination
>   ** Else set the current destination to msg.getDest() and create an output  stream (similar to writing a message list)
>     *** Stream the current message to the output stream
>     *** If there was a previous destination, close the associated output stream and send the message list
> Example:
> * We have messages with the following destinations: A, null, null, B, B, null, A, null, null, null
> * First we send a message list consisting of 1 message to A
> * Next we send a message list consisting of 2 messages to the cluster (dest==null)
> * Then we send a batch of 2 messages to B, 1 to the cluster, 1 to A and 3 to the cluster

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