Message: 1
Date: Wed, 8 Jul 2009 13:20:02 -0400
From: Jeff Sturm <jeff.sturm@xxxxxxxxxx>
Subject: RE: Trying to locate the bottleneck
To: "linux clustering" <linux-cluster@xxxxxxxxxx>
Message-ID:
<64D0546C5EBBD147B75DE133D798665F02FDC2F8@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxx
[mailto:linux-cluster-bounces@xxxxxxxxxx]
> On Behalf Of Raymond Setchfield
> Sent: Wednesday, July 08, 2009 11:13 AM
> To: linux clustering
> Subject: Re: 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@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
/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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