* iptables load balancing problems
@ 2003-06-24 16:01 Francois Leygues
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From: Francois Leygues @ 2003-06-24 16:01 UTC (permalink / raw)
To: netfilter
-t nat -A OUTPUT -p tcp -d xxx -j DNAT --to x1 --to x2
provides a very simple load balancing.
It works very well for light workloads (1 req per second) but for a sustained load
(300 req/s, generated by httperf) after a few seconds, the output is locked on one
of the target address, the other one never being selected.
Worse: after that, even after a delete of the rule, followed by a redefinition of the rule
the bad behaviour is not corrected. A reboot is needed to get back the feature...
I have not tryed to debug this, would you have some hints ?
Bye.
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