[infinispan-issues] [JBoss JIRA] Updated: (ISPN-434) Creating a new distributed cache on a non-coordinator node causes rehashing to hang

[Manik Surtani (JIRA)]

     [ https://jira.jboss.org/browse/ISPN-434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manik Surtani updated ISPN-434:
-------------------------------

         Fix Version/s: 5.1.0.BETA1
                        5.1.0.Final
                            (was: 4.1.0.Final)
                            (was: 4.1.0.CR1)
              Priority: Minor  (was: Major)
    Steps to Reproduce: 
1.  C1 (coord) starts replicated cache
2.  C2 starts replicated cache
3.  C2 starts distributed cache
4.  C1 starts distributed cache

Step 3 will hang until step 4 completes.  So unless these happen in different threads - on different servers - this rehash will hang.


Downgrading the priority on this since it is only a problem when you have a local thread starting nodes in the same VM.  A very artificial case, which really only applies to unit tests.  See workaround for details.

> Creating a new distributed cache on a non-coordinator node causes rehashing to hang
> -----------------------------------------------------------------------------------
>
>                 Key: ISPN-434
>                 URL: https://jira.jboss.org/browse/ISPN-434
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Cache
>    Affects Versions: 4.1.0.ALPHA3
>            Reporter: Manik Surtani
>            Assignee: Manik Surtani
>            Priority: Minor
>             Fix For: 5.1.0.BETA1, 5.1.0.Final
>
>
> If a cluster is already formed (perhaps due to another cache instance being started, such as a replicated one) and subsequently a distributed cache is created and started, first on a non-coordinator node, the startup sequence will hang until the cache is also started on the coordinator.
> E.g., 
> 1.  C1 (coord) starts replicated cache
> 2.  C2 starts replicated cache
> 3.  C2 starts distributed cache
> 4.  C1 starts distributed cache
> Step 3 will hang until step 4 completes.  So unless these happen in different threads - on different servers - this rehash will hang.

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