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

[Vladimir Blagojevic (Commented) (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-1513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12641533#comment-12641533 ] 

Vladimir Blagojevic commented on ISPN-1513:
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For the 5.2 release we plan to expand DistributedExecutorService to accept various execution, failover and such policies; this will be one of them - TopologyAwareExecutionPolicy.

  
                
> Enhance distributed executor framework to be more topology aware
> ----------------------------------------------------------------
>
>                 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: Vladimir Blagojevic
>            Priority: Minor
>             Fix For: 5.2.0.FINAL
>
>
> 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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