Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread Nguyen-Tuong Long Le
> It appears that the primary reason a syncache abort would occur is because > the system has run out of sockets. Is kern.ipc.numopensockets approaching > kern.ipc.maxsockets? Works like a charm. Thanks! I forgot to set this when I upgraded my system from 4.3 to 4.5 release. My bad. Thanks again

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread Mike Silbersack
On Tue, 4 Jun 2002, Nguyen-Tuong Long Le wrote: > Here is the output of "netstat -La" > > Current listen queue sizes (qlen/incqlen/maxqlen) > Proto Listen Local Address > tcp4 3/0/8192 *.6789 > > > I wonder why the listen queue overflows when there are so few > connections in the

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread Nguyen-Tuong Long Le
Hi, On Tue, 4 Jun 2002, Mike Silbersack wrote: > > On Tue, 4 Jun 2002, jayanth wrote: > > > Can you dump the output of netstat -s -p tcp ? > > Checking for listen queue overflows and syncache bucket overflows. > > > > jayanth > Here is the output of "netstat -s -p tcp". tcp: 26413

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread Mike Silbersack
On Tue, 4 Jun 2002, jayanth wrote: > Can you dump the output of netstat -s -p tcp ? > Checking for listen queue overflows and syncache bucket overflows. > > jayanth And "netstat -La" too, please. I'm interested in if you're accepting sockets fast enough. Mike "Silby" Silbersack To Unsubsc

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread jayanth
Can you dump the output of netstat -s -p tcp ? Checking for listen queue overflows and syncache bucket overflows. jayanth Nguyen-Tuong Long Le ([EMAIL PROTECTED]) wrote: > On Mon, 3 Jun 2002, Mike Silbersack wrote: > > > A few questions: > > > > 1. Is this 4.5-release, or 4.5-stable (aka 4.

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-04 Thread Nguyen-Tuong Long Le
On Mon, 3 Jun 2002, Mike Silbersack wrote: > A few questions: > > 1. Is this 4.5-release, or 4.5-stable (aka 4.6-RC2)? 4.5-release had a > few bugs in the syn cache which could cause crashes. > > 2. Are you using accept filters? Accept filters act oddly on > 4.5-release, you'll have to upgr

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-03 Thread Mike Silbersack
On Mon, 3 Jun 2002, Nguyen-Tuong Long Le wrote: > Hi all, > > Our group has a proprietary web server that can handle 1 requests/s > under FreeBSD 4.3 release. We recently upgraded our system to 4.5 and got > very poor performance. While the web server runs, I see lots of messages > similar t

Re: Problem with SYN cache in FreeBSD 4.5

2002-06-03 Thread clark shishido
On Mon, Jun 03, 2002 at 01:59:13AM -0400, Nguyen-Tuong Long Le wrote: > Hi all, > > Our group has a proprietary web server that can handle 1 requests/s > under FreeBSD 4.3 release. We recently upgraded our system to 4.5 and got > very poor performance. While the web server runs, I see lots of