From owner-freebsd-questions@FreeBSD.ORG Tue Aug 1 19:13:03 2006 Return-Path: X-Original-To: questions@freebsd.org Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D327C16A4DF for ; Tue, 1 Aug 2006 19:13:03 +0000 (UTC) (envelope-from tedm@toybox.placo.com) Received: from mail.freebsd-corp-net-guide.com (mail.web-strider.com [65.75.192.90]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4C1DC43D6E for ; Tue, 1 Aug 2006 19:13:03 +0000 (GMT) (envelope-from tedm@toybox.placo.com) Received: from coolf89ea26645 (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130]) by mail.freebsd-corp-net-guide.com (8.11.1/8.11.1) with SMTP id k71JCwx01306; Tue, 1 Aug 2006 12:12:59 -0700 (PDT) (envelope-from tedm@toybox.placo.com) Message-ID: <000401c6b59e$92d942d0$3c01a8c0@coolf89ea26645> From: "Ted Mittelstaedt" To: "Bill Moran" , References: <20060801150226.0c911297.wmoran@collaborativefusion.com> Date: Tue, 1 Aug 2006 12:13:27 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1807 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1807 Cc: Subject: Re: Reducing the timeout on a TCP connection X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Aug 2006 19:13:03 -0000 This is why the snmp protocol uses UDP, Bill. You need to use something other than TCP for monitoring. Ted ----- Original Message ----- From: "Bill Moran" To: Sent: Tuesday, August 01, 2006 12:02 PM Subject: Reducing the timeout on a TCP connection > > I'm writing some monitoring scripts, and I'm having some trouble because > the TCP seems to wait 90 seconds before giving up on initiating a > connection. > > (The script is in PHP, testing a PostgreSQL database. Neither PHP nor > libpq (which PHP's PostgreSQL support is based on) seem to have any > settings that can be used to adjust this timeout). > > If my memory of Stevens is correct, this is something that's set at the > OS level. It doesn't seem as if it's a configurable value, however. > I guess I'm looking for confirmation on that point first. If that's > the case, then I'll have to adjust my approach based on that knowledge. > > If it can be adjusted, can it be adjusted on a per-connection basis? I > don't want to mess with timeouts on other sockets, _just_ this one > monitoring script. > > And of course, the final question: how would I adjust this setting if > it's possible? If it's a sysctl, I'm missing it ... > > Suggestions? > > -- > Bill Moran > Collaborative Fusion Inc. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >