On Thu, Nov 17, 2005 at 09:02:37AM -0500, Ed Curtis wrote: > > Just recently one of our servers has started to respond to certain > requests rather slowly. POP, SMTP, and SSH reqeusts have started showing > slower reponse times from the server. I'm running Woody on a dual > processor machine with 2 gigs of memory and a hardware raid. Uptime shows > our load average at 1.17 and top shows 98.2% system resources free. I > don't know where to look to find out why the server is repsonding so slow. > > Thanks, > > Ed > Hi Ed,
first you should ask yourself, how do I quantify 'rather slowly'?
And now just some random thoughts...
- what does some kind of network monitoring tool (I use xnetload) show
for the interface in question when idle? when making a connection?
- if the server is attached through an LAN, try pinging it from another
machine (as root) with ping -f (flood ping) and watch the network
saturation
- use some tool like ethereal to analyze the packets exchanged while
making a connection
Cheers,
--
Andreas Rippl -- GPG messages preferred
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