Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 6BD479FB322 for ; Fri, 3 Nov 2006 10:32:31 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 64366-08 for ; Fri, 3 Nov 2006 10:32:27 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from DCSG0026.ouro.cydcmail.com.br (smtp-out.ouro.cydcmail.com.br [201.24.29.62]) by postgresql.org (Postfix) with ESMTP id 138FC9FB321 for ; Fri, 3 Nov 2006 10:32:26 -0400 (AST) Received: from brturbo.com.br ([10.160.209.144]) by smtp-1.ouro.cydcmail.com.br (MSG) with ESMTP id <0J8500A6LPFU2N00@smtp-1.ouro.cydcmail.com.br> for pgsql-performance@postgresql.org; Fri, 03 Nov 2006 10:28:42 -0300 (BrT) Received: from [10.160.208.148] (Forwarded-For: [10.160.208.99]) by mailstore-1.ouro.cydcmail.com.br (mshttpd); Fri, 03 Nov 2006 11:28:36 -0200 Date: Fri, 03 Nov 2006 11:28:36 -0200 From: creimer@brturbo.com.br Subject: Re: Context switch storm In-reply-to: <454B3B75.6@archonet.com> To: Richard Huxton Cc: pgsql-performance@postgresql.org Message-id: MIME-version: 1.0 X-Mailer: OURO WEBMAIL Content-type: multipart/alternative; boundary="Boundary_(ID_ydw8ctzto5xsztT57mO0sg)" Content-language: pt X-Accept-Language: pt References: <454B3B75.6@archonet.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.645 tagged_above=0 required=5 tests=BAYES_00, DNS_FROM_RFC_ABUSE, DNS_FROM_RFC_POST, HTML_30_40, HTML_MESSAGE, NO_REAL_NAME X-Spam-Level: X-Archive-Number: 200611/47 X-Sequence-Number: 21817 This is a multi-part message in MIME format. --Boundary_(ID_ydw8ctzto5xsztT57mO0sg) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline > If you can keep your numbers of clients down below the critical > level, > you should find the overall workload is fine. We have at about 600 connections. Is this a case to use a connection pool (pg_pool) system? And why this happens only with 8.0 and 8.1 and not with the 7.4? --Boundary_(ID_ydw8ctzto5xsztT57mO0sg) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline
> If you can keep your numbers of clients down below the critical
> level,
> you should find the overall workload is fine.
 
We have at about 600 connections. Is this a case to use a connection pool (pg_pool) system?
 
And why this happens only with 8.0 and 8.1 and not with the 7.4?
 
 
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