Received: from ecstreet.com ([209.126.95.202]) by hub.org (8.9.2/8.9.1) with SMTP id NAA14179 for ; Mon, 8 Mar 1999 13:58:19 -0500 (EST) (envelope-from john@ecstreet.com) Received: (qmail 12909 invoked from network); 8 Mar 1999 07:00:33 -0000 Received: from dmarc.ecstreet.com (HELO dmarc) (209.126.95.205) by ecstreet.com with SMTP; 8 Mar 1999 07:00:33 -0000 Message-ID: <008801be6995$99e41da0$cd5f7ed1@dmarc.ecstreet.com> From: "John Frailey" To: Subject: multiple db connections Date: Mon, 8 Mar 1999 12:58:06 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0085_01BE6963.4F1A3930" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3155.0 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3155.0 This is a multi-part message in MIME format. ------=_NextPart_000_0085_01BE6963.4F1A3930 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable We are trying to port our pure java e-commerce software to postgres. I = am using database pooling with jdbc during an init stage of the main = servlet that dishes out the html content to the users. (we must use = pooling, because it takes too darn long to get a connection, and we need = our web pages to respond quickly) My problem is that we use multiple databases per web request. With other = db's, I can make a connection to a central db, and then select .. from = . and make sure permissions are such, that I can hop = databases with just one connection I get from the pool.=20 I can't find a similiar technique in postgres. Am I missing a way to hop = databases w/o having to create a new connection ?? It is adding 5x the = performance hit if I have to get a NEW connection everytime I need to = hop. I hate to have to create a connection pool for every database we = have on our box. (worried about memory consumption) Thanks .... ------=_NextPart_000_0085_01BE6963.4F1A3930 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
We are trying to port our pure java e-commerce = software to=20 postgres. I am using database pooling with jdbc during an init stage of = the main=20 servlet that dishes out the html content to the users. (we must use = pooling,=20 because it takes too darn long to get a connection, and we need our web = pages to=20 respond quickly)
 
My problem is that we use multiple databases per web = request.=20 With other db's, I can make a connection to a central db, and then = select ..=20 from <database>.<table> and make sure permissions are such, = that I=20 can hop databases with just one connection I get from the pool. =
 
I can't find a similiar technique in postgres. Am I = missing a=20 way to hop databases w/o having to create a new connection ?? It is = adding 5x=20 the performance hit if I have to get a NEW connection everytime I need = to hop. I=20 hate to have to create a connection pool for every database we have on = our box.=20 (worried about memory consumption)
 
Thanks ....
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