On 2012-04-20 07:43, Kostas Zorbadelos wrote:
I understand the kernel VM layers are completely different, but how come the named process on OpenBSD for the same load consumes so low resident memory? Also, why VZS< RSS on OpenBSD? The general question I am trying to answer is, can BIND utilize all available memory on the system (so I can arrange the amount of memory when I order the servers).
IMHO you're asking the wrong questions. Do your users care about VZS/RSS/CPU/load average/whatever? If they don't, why should you? From what you wrote, it seems to me that what you should care about is how many records can fit in the cache and how many queries it can handle per second. Then measure that. Measure the number of records in cache, and measure how many queries it can handle per second. That is, measure *externally observable behavior*. Don't measure irrelevant technical details.
Simon -- DTN made easy, lean, and smart --> http://postellation.viagenie.ca NAT64/DNS64 open-source --> http://ecdysis.viagenie.ca STUN/TURN server --> http://numb.viagenie.ca
