[jboss-jira] [JBoss JIRA] (JGRP-1492) return_entire_cache can prevent group from forming

[David Hotham (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Hotham updated JGRP-1492:
-------------------------------

    Description: 
I have managed to get my group into a position such that a dead member with a 'low' logical address is in the logical address cache, and as a result no-one is able to form a view.  

All members loop round at ClientGmsImpl.java line 130-ish, going:
-  The group contains only clients
-  I'm not the 'first' client (the dead member is)
-  So I'll wait for someone else to become coordinator

Because return_entire_cache is true, everyone continues to discover the dead element and continues to wait for him to become coordinator.

I think there needs to be some way for the dead member's address to be marked as removable in the logical address cache, and to expire.

  was:
I have managed to get my group into a position such that a dead member with a 'low' logical address is in the logical address cache, and as a result no-one is able to form a view.  

All members loop round at ClientGmsImpl.java line 130-ish, going:
-  The group contains only clients
-  I'm not the 'first' client (the dead member is)
-  So I'll wait for someone else to become coordinator

Because return_entire_cache is true, everyone continues to discover the dead element and continues to wait for him to become coordinator.

I think there needs to be some way for these addresses to be marked as removable in the logical address cache, and to expire.


    
> return_entire_cache can prevent group from forming
> --------------------------------------------------
>
>                 Key: JGRP-1492
>                 URL: https://issues.jboss.org/browse/JGRP-1492
>             Project: JGroups
>          Issue Type: Feature Request
>    Affects Versions: 3.1
>            Reporter: David Hotham
>            Assignee: Bela Ban
>
> I have managed to get my group into a position such that a dead member with a 'low' logical address is in the logical address cache, and as a result no-one is able to form a view.  
> All members loop round at ClientGmsImpl.java line 130-ish, going:
> -  The group contains only clients
> -  I'm not the 'first' client (the dead member is)
> -  So I'll wait for someone else to become coordinator
> Because return_entire_cache is true, everyone continues to discover the dead element and continues to wait for him to become coordinator.
> I think there needs to be some way for the dead member's address to be marked as removable in the logical address cache, and to expire.

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