[infinispan-issues] [JBoss JIRA] (ISPN-2154) Use JGroups' anycast when sending messages to multiple target

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-2154:
-------------------------------
              Status: Pull Request Sent  (was: Open)
    Git Pull Request: https://github.com/infinispan/infinispan/pull/3493


> Use JGroups' anycast when sending messages to multiple target
> -------------------------------------------------------------
>
>                 Key: ISPN-2154
>                 URL: https://issues.jboss.org/browse/ISPN-2154
>             Project: Infinispan
>          Issue Type: Task
>          Components: Core
>    Affects Versions: 5.2.0.ALPHA1
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>            Priority: Minor
>
> We currently emulate anycasts in CommandAwareRpcDispatcher by sending the message to each target sequentially and then waiting for all the responses in parallel.
> This doesn't work very well with JGroups' RSVP protocol: if the RSVP flag is set, the send operation will block until we have received an ACK from the target, making the operation take much longer than it should.
> We only use RSVP for state transfer-related commands, so this is not critical. But it should be slightly more efficient for normal commands, as well.



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