[infinispan-issues] [JBoss JIRA] (ISPN-1830) L1: On topology changes lose key requestors information

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei updated ISPN-1830:
-------------------------------

       Summary: L1: On topology changes lose key requestors information  (was: L1: On topology changes we should propagate the key requestors information to the new owners)
    Issue Type: Bug  (was: Task)


This issue is causing the failures in https://infinispan.ci.cloudbees.com/job/Infinispan-master-JDK6-tcp-NON_PARALLEL/185/org.infinispan$infinispan-server-hotrod/testReport/junit/org.infinispan.server.hotrod/HotRod11DistributionTest/testDistributedPutWithTopologyChanges/
                
> L1: On topology changes lose key requestors information
> -------------------------------------------------------
>
>                 Key: ISPN-1830
>                 URL: https://issues.jboss.org/browse/ISPN-1830
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Cache
>    Affects Versions: 5.1.0.FINAL
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>             Fix For: 5.2.0.FINAL
>
>
> I think we are losing information about where a key needs to be invalidated when a node changes from owner to non-owner (e.g. because another node joined):
> * We lose the list of requestors stored on this node. Even if all ClusteredGetCommands reached all the current owners (which we are about to change with ISPN-825), once all the current owners leave the new owners will not know about this node's old requestors.
> * We don't add ourselves as a requestor for the key on the new owners when we invalidate the entry and move it to L1.

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