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



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 hjrconsulting com <mailto:henry robertson hjrconsulting com>> wrote:


        Message: 1
        Date: Wed, 8 Jul 2009 13:20:02 -0400
        From: Jeff Sturm <jeff sturm eprize com
        <mailto:jeff sturm eprize com>>
        Subject: RE: [Linux-cluster] Trying to locate the bottleneck
        To: "linux clustering" <linux-cluster redhat com
        <mailto:linux-cluster redhat com>>
        Message-ID:
<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.

        -Jeff

        > -----Original Message-----
        > From: linux-cluster-bounces redhat com
        <mailto:linux-cluster-bounces redhat com>
        [mailto: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
        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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