Re: PgPool changes WAS: PostgreSQL clustering VS MySQL

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От Josh Berkus
Тема Re: PgPool changes WAS: PostgreSQL clustering VS MySQL
Дата
Msg-id 200501250858.37157.josh@agliodbs.com
обсуждение исходный текст
Ответ на Re: PgPool changes WAS: PostgreSQL clustering VS MySQL  ("Peter Darley" <pdarley@kinesis-cem.com>)
Ответы Re: PgPool changes WAS: PostgreSQL clustering VS MySQL  (Tatsuo Ishii <t-ishii@sra.co.jp>)
Список pgsql-performance
Peter, Ragnar,

> > Are there ones that you use which might use several different connections
> > to send a series of queries from a single web-user, less than 5 seconds
> > apart?
>
>     Using Apache/Perl I often have a situation where we're sending several
> queries from the same user (web client) within seconds, or even
> simultaneously, that use different connections.

So from the sound of it, the connection methods I've been using are the
exception rather than the rule.   Darn, it worked well for us.  :-(

What this would point to is NOT being able to use Slony-I for database server
pooling for most web applications.   Yes?  Users should look to pgCluster and
C-JDBC instead.

BTW, Tatsuo, what's the code relationship between pgPool and pgCluster, if
any?

--Josh

--
Josh Berkus
Aglio Database Solutions
San Francisco

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