[Pgpool-general] Replication Mode and Sequences

[Tatsuo Ishii]

> > > pgpool-II won't do load balance when there are select and
> > insert/update/delete statements in the same transaction. Instead, it
> > will execute all queries against the master node and the
> > insert/update/delete ones against the slave node only.
> > 
> > No. When a client connects to pgpool-II, pgpool-II will select
> > randomly one of the nodes for load balance. If the client start a
> > transaction, pgpool-II sends "BEGIN" to all nodes. and if the client
> > sends some DML, it will sends to all nodes as well. If the client
> > then
> > sends "load-balance possible"(see the attached diagram) SELECT, it
> > will be sent to the node which pgpool-II chooses at the connection
> > time.
> 
> I had understood from the documentation that it would always be the master node. Thanks for the clarification, Tatsuo.

Oh then the docs is outdated or I am wrong. Let me check.
--
Tatsuo Ishii
SRA OSS, Inc. Japan