[infinispan-issues] [JBoss JIRA] (ISPN-1513) Enhance distributed executor framework to be more topology aware

[David B (Created) (JIRA)]

Enhance distributed executor framework to be more topology aware
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                 Key: ISPN-1513
                 URL: https://issues.jboss.org/browse/ISPN-1513
             Project: Infinispan
          Issue Type: Enhancement
          Components: Distributed Cache
    Affects Versions: 5.0.1.FINAL
            Reporter: David B
            Assignee: Manik Surtani
            Priority: Minor


Our environment has 2 local infinispan/jgroups clusters with a jgroups relay cluster to handle geographic failover. Our sites are geographically distant over a WAN. Currently DistributedExecutorService's submitEverywhere() sends Callables to every node in both local clusters. We would rather have additional methods provided to DistributedExecutorService to constrain submission on Callables to the same/local site.

Currently I have extended DefaultExecutorService with my own TopologyAwareExecutorService and added a submitSameSite() method using the TopologyAwareAddress.isSameSite(). I did need to patch DistributedRunnableFuture in DefaultExecutorService to mark it protected vs. private.

This could be extended to also provide submitSameRack() & submitSameMachine() though currently we don't have a use case for that.

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