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

[Raymond Setchfield]

Hi Saji

You may have a point, didn't think about blaming the client machine. I 
have another two servers which have siege on them. I will try an 
alternative one and let you know how I get on.

Thanks

R.

saji george wrote:
> 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 at hjrconsulting.com 
> <mailto:henry.robertson at hjrconsulting.com>> wrote:
>
>
>         Message: 1
>         Date: Wed, 8 Jul 2009 13:20:02 -0400
>         From: Jeff Sturm <jeff.sturm at eprize.com
>         <mailto:jeff.sturm at eprize.com>>
>         Subject: RE: [Linux-cluster] Trying to locate the bottleneck
>         To: "linux clustering" <linux-cluster at redhat.com
>         <mailto:linux-cluster at redhat.com>>
>         Message-ID:
>              
>          <64D0546C5EBBD147B75DE133D798665F02FDC2F8 at 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.
>
>         -Jeff
>
>         > -----Original Message-----
>         > From: linux-cluster-bounces at redhat.com
>         <mailto:linux-cluster-bounces at redhat.com>
>         [mailto:linux-cluster-bounces at redhat.com
>         <mailto:linux-cluster-bounces at 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
>         doesn't
>         > 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 at loadbalancer-01 ~]# grep conn /proc/slabinfo
>         > ip_vs_conn             0      0    128   30    1 : tunables
>          120   60
>         > 8 : slabdata      0      0      0
>         >
>         > [root at 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 at loadbalancer-01 ~]# cat
>         /proc/sys/net/ipv4/netfilter/ip_conntrack_max
>         > 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!
>
>     Henry 
>
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