| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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>, 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: | 2010-09-24 10:59:42 |
| Message-ID: | 1285325982.21874.1530.camel@ebony |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers pgsql-hackers |
On Fri, 2010-09-24 at 11:43 +0300, Heikki Linnakangas wrote:
> > To get zero data loss *and* continuous availability, you need two
> > standbys offering sync rep and reply-to-first behaviour.
>
> Yes, that is a good point.
>
> I'm starting to understand what your proposal was all about. It makes
> sense when you think of a three node system configured for high
> availability with zero data loss like that.
>
> The use case of keeping hot standby servers up todate in a cluster
> where
> read-only queries are distributed across all nodes seems equally
> important though. What's the simplest method of configuration that
> supports both use cases?
That is definitely the right question. (More later)
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Training and Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Dimitri Fontaine | 2010-09-24 11:05:25 | Re: Configuring synchronous replication |
| Previous Message | Simon Riggs | 2010-09-24 10:57:31 | Re: Configuring synchronous replication |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Dimitri Fontaine | 2010-09-24 11:05:25 | Re: Configuring synchronous replication |
| Previous Message | Simon Riggs | 2010-09-24 10:57:31 | Re: Configuring synchronous replication |