Date: Sat, 19 Dec 1998 11:42:58 +1300 (NZDT) From: Andrew McNaughton <andrew@squiz.co.nz> To: Barrett Richardson <ratbert@phoenix.aye.net> Cc: Marcos Viterbo <mavit@vecom.com>, freebsd-isp@FreeBSD.ORG Subject: Re: CGI problems Message-ID: <Pine.BSF.4.05.9812191138280.324-100000@aniwa.sky> In-Reply-To: <Pine.BSF.3.96.981218162755.27423A-100000@phoenix.aye.net>
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On Fri, 18 Dec 1998, Barrett Richardson wrote: > On Thu, 17 Dec 1998, Andrew McNaughton wrote: > > > On Wed, 16 Dec 1998, Marcos Viterbo wrote: > > > > > Greetings. > > > > > > I am facing some problems with CGIs (freebsd_2.2.6 + apache_1.3.0). When the > > > system reaches about 55 apache instances the CGIs won't execute anymore and > > > returns a 500 error. I recompiled the kernel and libc altring > > > FD_SETSIZE=1024, maxusers=256, open_max, max_proc (child_max) in the kernel > > > and login.conf, maxconn to 256, nmbclusters=8192, recompiled apache with a > > > higher maxclients. The system has 128 MB RAM (it never goes beyond 50MB). > > > It happens only with external CGIs (PHP3 supports as many instances as the > > > apache is configured to). > > > > Sounds familiar. I had problems first with number of processes and then > > with number of file handles. > > > > It's not your system wide resources that are limited, but your per-process > > limits. If you set up a CGI like this you'll see it: > > > > #!/bin/sh > > echo Content-type: text/html > > echo > > limits > > > > My solution was to put some ulimit statements near the head of apachectl. > > > > Andrew McNaughton > > > > I was able resolve similar issues by raising some parameters in > login.conf. This has a more general effect which might or might not be good. For instance it means that cron jobs run as the user will still fork OK when there are a lot of httpd's and cgi's going. I've raised the login.conf limits a bit, but by specifying stuff per process I can give some priority to what fails first. eg log analysis fails before our cgi based publishing engine. Andrew McNaughton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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