| From: | Peter Geoghegan <peter(at)2ndquadrant(dot)com> |
|---|---|
| To: | Jerry Richards <jerry(dot)richards(at)teotech(dot)com> |
| Cc: | John R Pierce <pierce(at)hogranch(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Is Synchronous Postgresql Replication Slower Than Asynchronous? |
| Date: | 2012-01-20 22:10:36 |
| Message-ID: | CAEYLb_VMjKKMYpd28cAhpqLxFZ2MRJFRcgrx7pRtNjHX0LwgCQ@mail.gmail.com |
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| Lists: | pgsql-general |
On 20 January 2012 21:53, Jerry Richards <jerry(dot)richards(at)teotech(dot)com> wrote:
> I noticed there are several synchronous implementations (Postgre-XC, PGCluster, pgpool, rubyrep, built-in streaming, etc.). When you say, " you can dynamically change that right down to the transaction level...", are you referring specifically to one of these implementations?
I refer specifically to the synchronous replication feature that was
introduced into PostgreSQL itself, in the current 9.1 release:
http://www.postgresql.org/docs/9.1/static/warm-standby.html#SYNCHRONOUS-REPLICATION
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services
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