Re: Configuring synchronous replication

From: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
To: Csaba Nagy <ncslists(at)googlemail(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, jd(at)commandprompt(dot)com, Thom Brown <thom(at)linux(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Dave Page <dpage(at)pgadmin(dot)org>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Configuring synchronous replication
Date: 2010-09-23 09:02:50
Message-ID: 4C9B17BA.6000002@enterprisedb.com
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On 23/09/10 11:34, Csaba Nagy wrote:
> In the meantime our DBs are not able to keep in sync via WAL
> replication, that would need some kind of parallel WAL restore on the
> slave I guess, or I'm not able to configure it properly - in any case
> now we use slony which is working.

It would be interesting to debug that case a bit more. Was bottlenecked
by CPU or I/O, or network capacity perhaps?

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com

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