Date: Tue, 1 Aug 2006 12:13:27 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Bill Moran" <wmoran@collaborativefusion.com>, <questions@freebsd.org> Subject: Re: Reducing the timeout on a TCP connection Message-ID: <000401c6b59e$92d942d0$3c01a8c0@coolf89ea26645> References: <20060801150226.0c911297.wmoran@collaborativefusion.com>
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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" <wmoran@collaborativefusion.com> To: <questions@freebsd.org> 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" >
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