On Wed, Mar 23, 2011 at 8:16 AM, Markus Wanner <mar...@bluegap.ch> wrote:
> On 03/23/2011 12:52 PM, Robert Haas wrote:
>> Yes.  What this won't do is let you build a big load-balancing network
>> (at least not without great caution about what you assume).
>
> This sounds too strong to me.  Session-aware load balancing is pretty
> common these days.  It's the default mode of PgBouncer, for example.
> Not much caution required there, IMO.  Or what pitfalls did you have in
> mind?

Well, just the one we were talking about: a COMMIT on one node doesn't
guarantee that the transactions is visible on the other node, just
that it will become visible there eventually, even if a crash happens.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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