Re: Postgresql replication
От | Matt Miller |
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Тема | Re: Postgresql replication |
Дата | |
Msg-id | 1124999689.3076.8.camel@dbamm01-linux обсуждение исходный текст |
Ответ на | Re: Postgresql replication (Carlos Henrique Reimer <carlosreimer@yahoo.com.br>) |
Ответы |
Re: Postgresql replication
|
Список | pgsql-general |
> > http://pgfoundry.org/projects/pgcluster/ which provides syncronous > > multi-master clustering. > > He specifically said that pgcluster did not work for him > because ...PGCluster requires that there be a load balancer and a > replicator centrally located managing the cluster. If a network > problem happens at the centralized location, it would bring down all > locations completely. I think the load balancer is an optional component. Clients can connect either to a load balancer, or directly to a specific machine. Also, I think pgcluster can operate async. If the system runs in "normal" mode then the client gets a response as soon as the transaction is committed on the local machine. In "reliable" mode the client waits for the commit to happen on all machines. See http://pgcluster.projects.postgresql.org/structure_of_replication.html
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