[jboss-jira] [JBoss JIRA] (JGRP-1737) TP: ignore DONT_BUNDLE flag for sending of messages

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1737.
----------------------------

    Resolution: Done

    
> TP: ignore DONT_BUNDLE flag for sending of messages
> ---------------------------------------------------
>
>                 Key: JGRP-1737
>                 URL: https://issues.jboss.org/browse/JGRP-1737
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.5
>
>
> Currently, messages tagged with DONT_BUNDLE are sent separately, not as a message bundle through a bundler. On the receiver, they are passed up as single messages, ie. on a separate thread.
> Sending a lot of single (possibly small) messages is inefficient; it would be better to bundle *all* message on the sender side. This requires a bundler which sends single messages immediately when no other messages are available to be sent.
> SOLUTION (sender):
> * If the bundler is *not* "old", ignore the DONT_BUNDLE flag and send the message through the bundler
> * Else, same as now; send the message immediately as single message
> SOLUTION (receiver):
> * When reading the message list and creating the 4 batches (regular, oob, oob+internal, internal), if a message has DONT_BUNDLE set, pass it as single message to the corresponding thread pool and don't add it to the batch
> This has the advantage that we have a more efficient way of sending messages (as message bundles), yet the behavior (and performance) at the receiver is the same as now

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