[infinispan-issues] [JBoss JIRA] (ISPN-4574) PartitionHandling: consider less than numOwners partitions

[Adrian Nistor (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-4574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrian Nistor updated ISPN-4574:
--------------------------------
           Status: Resolved  (was: Pull Request Sent)
    Fix Version/s: 7.0.0.Beta2
       Resolution: Done


Integrated in master. Thanks!

> PartitionHandling: consider less than numOwners partitions
> ----------------------------------------------------------
>
>                 Key: ISPN-4574
>                 URL: https://issues.jboss.org/browse/ISPN-4574
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>            Reporter: Mircea Markus
>            Assignee: Dan Berindei
>            Priority: Critical
>              Labels: partition_handling
>             Fix For: 7.0.0.Beta2
>
>
> If the following two conditions are simultaneously met during a split brain:
> a) less than numOwners nodes leave
> b) two clusters are formed having that size
> Then both partitions would be considered as available. E.g. a cluster of 6 nodes with numOwners=4, with a split brain resulting in 3 and 3 nodes partitions. 
> We should add some logic to prevent this situation, e.g. by requiring the remaining partition to have at least numOwners members.



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