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

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-2154:
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             Summary: 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: RPC
    Affects Versions: 5.2.0.ALPHA1
            Reporter: Dan Berindei
            Assignee: Dan Berindei
             Fix For: 5.2.0.ALPHA2


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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