[ pgsql-patches removed from Cc: list ] Anuradha Ratnaweera <[EMAIL PROTECTED]> writes: > I am trying to add some replication features to postgres (yes, I have > already looked at ongoing work), in a peer to peer manner.
Did you look at the research behind Postgres-R, and the pgreplication stuff? > - When a frontend process sends a read query, each backend process > does that from its own data area. Surely that's not correct -- a SELECT can be handled by *any one* node, not each and every one, right? > - There are two types of write queries. Postmasters use seperate > communication channels for each. One is the sequencial channel which > carries writes whose order is important, and the non-sequencial > channel carries write queries whose order is not important. How do you distinguish between these? Cheers, Neil -- Neil Conway <[EMAIL PROTECTED]> || PGP Key ID: DB3C29FC ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly