[lvs-users] Help with diagnosing performance issue 60K connections graphs provided

Graeme Fowler graeme at graemef.net
Thu Mar 12 16:56:06 GMT 2009


On Thu, 2009-03-12 at 16:43 +0000, Malcolm Turnbull wrote:
> Turned out it was a mixture of conntrack on the real servers filling up,

Gah.

Good practice: don't put LVS traffic into conntrack *unless you have
to*. "man iptables", look for the "raw" table and NOTRACK target:

NOTRACK
This  target disables connection tracking for all packets matching that
rule.

A Very Useful Thing Indeed, he said (adopting a Pooh-type voice).

Graeme





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