[TriLUG] Need help finding bottleneck

[Jason Tower]

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.

jason

sholton wrote:
> Roy Vestal wrote:
>> Hey guys...need some troubleshooting help...
>>
>> Symptom:
>> 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.)
>