Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-25 Thread Tatsuo Ishii
> 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

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-25 Thread Josh Berkus
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 cli

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-25 Thread Peter Darley
à Cc: pgsql-performance@postgresql.org; Tatsuo Ishii Subject: Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL Ragnar, > note that these sometimes do not provide connection pooling as such, > just persistent connections (Apache::DBI) Yes, right. > no. you can only coun

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-25 Thread Ragnar =?ISO-8859-1?Q?Hafsta=F0?=
On Mon, 2005-01-24 at 15:45 -0800, Josh Berkus wrote: > [about keeping open DB connections between web-client connections] > [I wrote:] > > no. you can only count on web-server-process==connection, but not > > web-user==connection, unless you can garantee that the same user > > client always conn

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-24 Thread Tatsuo Ishii
> On Mon, 2005-01-24 at 09:52 -0800, Josh Berkus wrote: > > [about keeping connections open in web context] > > Ah, clarity problem here.I'm talking about connection pooling tools > > from > > the client (webserver) side, such as Apache::DBI, PHP's pg_pconnect, > > Jakarta's connection pools

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-24 Thread Josh Berkus
Ragnar, > note that these sometimes do not provide connection pooling as such, > just persistent connections (Apache::DBI) Yes, right. > no. you can only count on web-server-process==connection, but not > web-user==connection, unless you can garantee that the same user > client always connects t

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL

2005-01-24 Thread Ragnar Hafstað
On Mon, 2005-01-24 at 09:52 -0800, Josh Berkus wrote: > [about keeping connections open in web context] > Ah, clarity problem here.I'm talking about connection pooling tools from > the client (webserver) side, such as Apache::DBI, PHP's pg_pconnect, > Jakarta's connection pools, etc. Not po

Re: [PERFORM] PgPool changes WAS: PostgreSQL clustering VS MySQL clustering

2005-01-24 Thread Josh Berkus
Tatsuo, > > Depends on your connection pooling software, I suppose. Most connection > > pooling software only returns connections to the pool after a user has > > been inactive for some period ... generally more than 3 seconds. So > > connection continuity could be trusted. > > Not sure what you