Re: [infinispan-dev] Cluster wide node name uniqueness
Why wouldn't you merge sub-clusters back into one cluster ? Are you
going to leave the cluster split forever ?
On 5/4/12 8:22 AM, Thomas Fromm wrote:
On 04.05.2012 07:27, Bela Ban wrote:
> Unless you use UUIDs it's hard to guarantees name uniqueness. For
> instance, if there was a JGroups protocol which - before joining - sent
> a broadcast to all members, asking whether the name it picked was
> unique, and then joined, it would still not guarantee uniqueness. For
> instance, if we are in a partitioned state, then a name picked might be
> unique, but when a merge ensued later, we might discover that some other
> member in a different partition has the same name.
Hm, yes. I forgot to mention, that this was one reason why I removed
MERGE from my JGroups configuration.
Maybe deny merge for this node in this case?
--
Bela Ban, JGroups lead (http://www.jgroups.org)