netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Nivedita Singhvi <niv@us.ibm.com>
To: Christopher Chan <cchan@outblaze.com>
Cc: netdev@oss.sgi.com, Yusuf Goolamabbas <yusufg@outblaze.com>
Subject: Re: High number of concurrent connections causes 2.6.4 to go berserk
Date: Thu, 01 Apr 2004 19:28:53 -0800	[thread overview]
Message-ID: <406CDDF5.4070500@us.ibm.com> (raw)
In-Reply-To: <406CBA60.50103@outblaze.com>

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

  reply	other threads:[~2004-04-02  3:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-02  0:57 High number of concurrent connections causes 2.6.4 to go berserk Christopher Chan
2004-04-02  3:28 ` Nivedita Singhvi [this message]
2004-04-02  4:00   ` Christopher Chan
2004-04-02 16:37   ` Christopher Chan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=406CDDF5.4070500@us.ibm.com \
    --to=niv@us.ibm.com \
    --cc=cchan@outblaze.com \
    --cc=netdev@oss.sgi.com \
    --cc=yusufg@outblaze.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).