[TriLUG] Need help finding bottleneck
jtower at cerient.net
Sun Jan 21 20:58:48 EST 2007
there's an old auto repair joke: when troubleshooting a poorly running
engine there are three main culprits: air, fuel, and ignition. and it's
*always* the ignition :)
troubleshooting a poorly performing linux server isn't much different. you
can look at ram, cpu, disks, and so on, but it's *always* dns.
> Roy Vestal wrote:
>> Hey guys...need some troubleshooting help...
>> when I load my webpage from home, or my gallery, it takes literally
>> minutes to load. http://website/gallery for example can take upto 5
>> min to load.
>> When I'm at work, it loads great, within just a few seconds.
> I've seen a similar case, long ago (details fuzzy) where the problem was
> a server demanding a reverse-lookup on the requesting client which
> wasn't available. (maybe httpd trying to log full hostnames but being
> frustrated by timeouts on DNS hosts which weren't there.)
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