From owner-freebsd-hackers Thu Aug 27 10:31:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA14883 for freebsd-hackers-outgoing; Thu, 27 Aug 1998 10:31:47 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from woody.aiinet.com ([206.103.249.70]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA14873 for ; Thu, 27 Aug 1998 10:31:44 -0700 (PDT) (envelope-from mattg@aiinet.com) Received: by mail2.aiinet.com with Internet Mail Service (5.0.1460.8) id <38TXWWG9>; Thu, 27 Aug 1998 13:31:00 -0400 Message-ID: <7283DE19D141D111AD0E00A0C95B1955CF12B6@mail2.aiinet.com> From: "Gessner, Matt" To: "'freebsd-hackers@freebsd.org'" Subject: FW: Q was on questions, now putting it here. Date: Thu, 27 Aug 1998 13:30:54 -0400 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.0.1460.8) Content-Type: text/plain Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > ---------- > From: Gessner, Matt > Sent: Thursday, August 27, 1998 10:40 AM > To: 'freebsd-questions@freebsd.org' > Subject: FW: Q was on questions, now putting it here. > > I guess this died of lack of notice??? > > Can anyone suggest somewhere to at least start looking into making this > work? > Or is 2048 TCP connections too much to ask of this setup? > > TIA > > > ---------- > > From: Gessner, Matt > > Sent: Sunday, August 23, 1998 10:44 PM > > To: 'hackers' > > Subject: Q was on questions, now putting it here. > > > > Hi, all, > > > > I posted to comp.unix.bsd.freebsd.misc but nothing's come back... news > > takes > > a while. > > > > I'm running 2.2.7-RELEASE, and I've already changed my kernel a bit to > > allow me to do a whole bunch of simultaneous connections, but I've > > probably done something wrong, because it ain't working. > > > > Here's what I have: > > > > P5-166 Gateway > > 32 MB RAM > > 2 GB disk, 850MB belongs to FreeBSD, of which 100MB is swap. > > PCI DEC Ethernet card > > > > Here's how I've mangled my poor kernel: > > maxusers 128 > > options CHILD_MAX=256 > > options OPEN_MAX=2048 > > options NMBCLUSTERS=4096 > > > > Here's how I've changed login.conf > > > > default and root both have unlimited child process and open file > > counts. > > > > I've done a little poking around in param.c and don't see immediately > > that I've violated any rules by setting these limits the way I have. > > > > When I type limits, I get the following info back: > > > > maxprocesses 2067 > > openfiles 4136 > > > > But I can't find anything anywhere that talks about tuning the kernel > > for doing this. > > > > What I need to do is be able to run lots of TCP connections, and I know > > it can be done with FreeBSD. > > > > The connections are being made from FreeBSD to a proprietary board and > > then to a Solaris machine. > > > > My end goal is to be able to bring up about 1024 TCP connections > > outbound and route them back to the same box, for a total of 2048 > > connections. > > > > Right now, I run 1024 connections to the other system, and what happens > > is when the sockets are all connected, and the writes start to occur, > > FreeBSD > > just reboots the machine -- no messages anywhere. > > > > Have I really goofed up somewhere/something? Can anyone give me some > > insight as to what MIGHT be happening here? E-mail is fine, so's the > > newgroup. > > > > I suppose it's completely possible I'm running out of RAM and swap, but > > I'd expect to see something in /var/log/messages to that effect. So > > far, nothing. > > > > Recently I uppped NMBCLUSTERS to 4096, but it didn't seem to fix the > > problem. > > That was based on some notes in the FAQ. > > > > Even more recently (but haven't tested it yet) is that I upped my swap > > space > > to > > 256MB for 32MB of RAM. I killed off that nasty Win95 virus that was > > consuming all that disk space.... Nasty, nasty thing. > > > > Thanks in advance, > > > > Matt Gessner > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message