[infinispan-issues] [JBoss JIRA] (ISPN-4190) Use Message.Flag.DONT_LOOPBACK instead of RequestOptions.setExclusionList

[Dan Berindei (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-4190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12959700#comment-12959700 ] 

Dan Berindei commented on ISPN-4190:
------------------------------------

Doesn't work yet, because `MessageDispatcher.cast()` doesn't remove the local node from the `real_dests` collection when using `DONT_LOOPBACK`.
                
> Use Message.Flag.DONT_LOOPBACK instead of RequestOptions.setExclusionList
> -------------------------------------------------------------------------
>
>                 Key: ISPN-4190
>                 URL: https://issues.jboss.org/browse/ISPN-4190
>             Project: Infinispan
>          Issue Type: Task
>          Components: Core
>    Affects Versions: 7.0.0.Alpha2
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>             Fix For: 7.0.0.Alpha3
>
>
> We are currently using {{RequestOptions.setExclusionList(channel.getAddress())}} in CommandAwareRpcDispatcher, to prevent the sender of an RPC to receive that message. We can't use {{Channel.setDiscardOwnMessages(true)}}, because TO requires messages to be delivered to self.
> JGroups 3.5.0.Beta2 has added a {{DONT_LOOPBACK}} flag, which should be a lot more efficient than using the exclusion list. We should start using it.

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