> Am 2015-04-08 10:22, schrieb Wei Shan:
>>
>>> In the PostgreSQL world, what do you guys think would be the
>>> equivalent?
>>>
>>> Attached is a diagram I have thought of. Clusters of pg-pool2 used to
>>> load balance the connection in and for connection failover when a DB
>>> crashes. Between master and slave, sync replication is being used for
>>> zero-data-loss.
>>>
>>
>>
>
>
>
>
If you haven't already, You probably should take a look at BDR:
https://wiki.postgresql.org/wiki/BDR_Quick_Start
-Mark