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Re: new question - iptables on LB and connection limit?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: new question - iptables on LB and connection limit?
From: Roberto Nibali <ratz@xxxxxxxxxxxx>
Date: Tue, 14 Nov 2006 21:56:21 +0100
Disabling connection track didn't help.

How did you disable it (only a rmmod of all conntrack related lkml will be sufficient)? What _EXACT_ test conduct do you run? What are the ipvsadm -L -n and the stats numbers? What's the kernel version on the director? What processor, how much ram on the RS, what kind of NIC? NAPI enabled? SMP? What kind of HTTP server is running on the RS? What are its settings regarding connection pooling (mpm, ...)? How many sockets are in FIN_WAIT or TIME_WAIT? Do you have a server status?

Please, try to give us a bit more information, only few of us are magicians. :)

If it's something with the connection tracking overflow you'll see it in your kernel logs. You've mentioned that you're able to re-connect after a while, so this indicates either socket handling exhaustion or conntrack buckets vomit ... or even something else.

Regarding Yahoo: You can always get a gmail account. The beta yahoo interface somehow removed the ability to set the line breaks.

Best regards,
Roberto Nibali, ratz
--
echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq' | dc

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