Rickard Öberg wrote: > Niklas Uhrberg wrote: > >> They call it mirror service which a cluster wider service that stores >> stuff asynchronously. >> Asynchronously because otherwise it would be a bottleneck just like a >> traditional database would be. >> > > Which Coherence gets around by having many mirrors, one logical node per > object (i.e. every machine also doubles as backup for someone else). As > previously mentioned, this can be combined with the asynch mirror > service that Niklas describes, in case you need to take down all machines. > Oh no, the mirror service is just a complement or rather different thing than backups. Each space has zero or more backup space (synch or async, most probably you choose sync for high consistency) and in addition to this there is the mirror service but this addresses other needs than failover.
> /Rickard > > _______________________________________________ > qi4j-dev mailing list > [email protected] > http://lists.ops4j.org/mailman/listinfo/qi4j-dev > > _______________________________________________ qi4j-dev mailing list [email protected] http://lists.ops4j.org/mailman/listinfo/qi4j-dev
