From: | Filip Rembiałkowski <filip(dot)rembialkowski(at)gmail(dot)com> |
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To: | Andreas Kretschmer <akretschmer(at)spamfence(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: How to use pgbouncer |
Date: | 2010-12-21 21:28:27 |
Message-ID: | AANLkTikTYEzjsu43Zijo3Ou5VG2DA4rEAVE7_iAxi7CP@mail.gmail.com |
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Lists: | pgsql-general |
2010/12/21 Andreas Kretschmer <akretschmer(at)spamfence(dot)net>:
>
> I'm looking for a solution to split read and write access to different
> servers (streaming replication, you know ...). Can i do that with
> pgpool? (setting backend_weightX=0 or 1)? I have read the doc, but i'm
> not sure if pgpool the right solution, maybe you can enlighten me?
> (or someone else ...)
did you see http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#master_slave_mode
? I think it answers your question :-)
warning:
it works by detecting which queries are read-only, which does not
always work "out of the box".
you will sometimes have to modify driver settings or worse, modify SQL
queries including "hints" for pgpool.
see:
http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#restriction
http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#white_function_list
http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#black_function_list
greets,
Filip
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