| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Tatsuo Ishii <ishii(at)postgresql(dot)org>, robertmhaas(at)gmail(dot)com, pgsql(at)j-davis(dot)com, tgl(at)sss(dot)pgh(dot)pa(dot)us, markus(at)bluegap(dot)ch, masao(dot)fujii(at)gmail(dot)com, aidan(at)highrise(dot)ca, heikki(dot)linnakangas(at)enterprisedb(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Sync Rep: First Thoughts on Code |
| Date: | 2008-12-15 21:55:44 |
| Message-ID: | 1229378144.8673.331.camel@ebony.2ndQuadrant |
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| Lists: | pgsql-hackers |
On Mon, 2008-12-15 at 13:43 -0800, Josh Berkus wrote:
> > Isn't the "queryable read-only" feature totally orthogonal with
> > how synchronous the replication is?
>
> Yes. However, it introduces specific difficult issues which an
> unreadable synchronous slave does not have.
Don't think it's hugely difficult, but there are multiple ways of doing
this. But it is irrelevant until we have the basic ability to run
queries.
I've explained this twice now on different parts of this thread. Could I
politely direct your attention to those posts?
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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