Subject: Re: High number of concurrent connections causes 2.6.4 to go berserk

From: Nivedita Singhvi <[email-masked]>
Date: Thu, 01 Apr 2004 19:28:53 -0800

Christopher Chan wrote:

> When tcp_max_syn_backlog is set to 4096 and
> route.max_size = 131072
> route.gc_thresh = 65536
> 
> the box goes berserk almost immediately after bootup due to a bounce 
> flood hitting the box.

> The below values seem to workaround whatever problem the kernel has.
> 
> tcp_max_syn_backlog = 2048
> route.max_size = 1048576
> route.gc_thresh = 65536

Did you try just one of the first two and see which
one actually made a difference? I'm assuming the first,
but that might not be the case..

thanks,
Nivedita