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Re: [Linux-cluster] Re: Trying to locate the bottleneck

It may be a problem with the client machine also. 
Try to run the siege from multiple machines at a time.

On Thu, Jul 9, 2009 at 9:58 AM, Henry Robertson <henry robertson hjrconsulting com> wrote:

Message: 1
Date: Wed, 8 Jul 2009 13:20:02 -0400
From: Jeff Sturm <jeff sturm eprize com>
Subject: RE: [Linux-cluster] Trying to locate the bottleneck
To: "linux clustering" <linux-cluster redhat com>
       <64D0546C5EBBD147B75DE133D798665F02FDC2F8 hugo eprize local>
Content-Type: text/plain; charset="us-ascii"

I think this is created when you first run iptables.  If you have no NAT
rules on the load balancer, the ip_conntrack_max setting won't exist,
and you'll need to look somewhere else for the problem.


> -----Original Message-----
> From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com]
> On Behalf Of Raymond Setchfield
> Sent: Wednesday, July 08, 2009 11:13 AM
> To: linux clustering
> Subject: Re: [Linux-cluster] Trying to locate the bottleneck
> Hi Guys
> I am trying to locate ip_conntrack_max within CentOS 5.3 but it
> appear to be where I expect it to be. I have googled for this and from
> what I have read it should be located within
> /proc/sys/net/ipv4/ip_conntrack_max
> Which is where I thought it would be but unfortunately it isn't.
> Here is some output
> [root loadbalancer-01 ~]# grep conn /proc/slabinfo
> ip_vs_conn             0      0    128   30    1 : tunables  120   60
> 8 : slabdata      0      0      0
> [root loadbalancer-01 ~]# rpm -qa | grep kernel
> kernel-headers-2.6.18-53.1.14.el5
> kernel-devel-2.6.18-53.1.14.el5
> kernel-2.6.18-53.1.14.el5
> [root loadbalancer-01 ~]# cat
> cat: /proc/sys/net/ipv4/netfilter/ip_conntrack_max: No such file or
> directory
> I have also checked within  /etc/sysctl.conf and nothing.
> Can someone help me?
> Thanks in advance
> Raymond

Try 'modprobe ip_conntrack' and see if it shows up. After that I was able to set the value in /etc/sysctl.conf

Good luck!


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