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

[Raymond Setchfield]

Hi Saji

As you suggested. I tried three servers with a lower concurrency (50 
each) and it still having the same issue.

Thanks for the suggestion though

R.

Raymond Setchfield wrote:
> 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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>>
>>
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