Thanks Guillaume.
________________________________ From: Guillaume Lelarge <[email protected]> To: Sandeep Thakkar <[email protected]> Cc: [email protected] Sent: Wed, January 12, 2011 8:09:53 PM Subject: Re: [Pgpool-general] replication/failover feature in Master/Slave mode Hi, Le 12/01/2011 15:10, Sandeep Thakkar a écrit : > [...] > I have a primary and a standby server on different boxes and both are running >on > > different ports. I would like to use pgpool for Streaming Replication and > Failover. Hence, I selected Master/Slave mode with stream. Now, I have a > question, if I write anything on primary, how will the data be replicated on > standby? Will it happen automatically like it does in replication mode Or do > I > need to look into Hot Standby feature of PG? > You need to look at the streaming replication feature of PostgreSQL. You need Hot Standby for example if you want to use the load balacing feature of pgPool. > Also, on failover (let's say primary goes down for some reason), and the >standby > > now takes over. Will the standby has write operations? > You need to write scripts for that. > Also, in my application, will I use the pgpool port, so that I do not need to > change the configuration file in case of failover?? With Slony, we had to > tell > the application to use the other port. > The pgpool port, always. -- Guillaume http://www.postgresql.fr http://dalibo.com
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