BIND 9.x caching Performance under heavy loads

Kelsey Cummings kgc at
Mon Mar 21 18:57:43 UTC 2005

Steinar, I'm working tracking down a simliar problem where for some
unexplained reason bind 9.3.0 spins the CPU at 100% after weeks of normal
(and perfectly acceptable) operation - the is long after my cache has
stabalized, obviously.

There are graphs of which is the one that most recently
exhibited the CPU surge - last Friday.

The only cache relevant  options that are set are the following:

	cleaning-interval 60; //Default?
	max-ncache-ttl 120;

Any recomendations from the list?

Kelsey Cummings - kgc at , inc.
System Administrator                      2260 Apollo Way
707.522.1000 (Voice)                      Santa Rosa, CA 95407
707.547.2199 (Fax)              
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