how to do a test with heavy load?
Marten Lehmann
lehmann at cnm.de
Sun Sep 5 19:49:16 UTC 2004
Hello,
sometimes strange DNS-errors occur in my system of firewalled webservers
and firewalled caching-nameservers. For example: A webserver needs to
lookup a domain name for a mysql-server and gets a "host not found".
Some minutes later, everything works fine again. Same for mailservers.
Our caching nameservers are running with query-source * 53. Is it
possible that this is a bottleneck? Could bind resolve queries more
reliable if it can use random ports for every query? How can I run a
test under heavy load to reporduce this behaviour?
Regards
Marten
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