Stefan Kaltenbrunner wrote:
It is however async replication so you can loose data commited on the
master but not yet replicated to the slaves in case you loose the master
 completely.


Yes, here is an insufficient point of Slony-I, i think.
Most systems will not permit the committed data to be lost, so use is limited.



IMO, log-based replication is needed also for PostgreSQL just like MySQL.

Well, I had misunderstood MySQL. Its replication is also asynchronous.

regards;

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