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Could IP address be cause of server lag?
Experiencing 2 second lag when connecting via ssh or webpage
AprilS




msg:352238
 8:25 pm on Jul 22, 2004 (gmt 0)

I'm experiencing something unusual with our new server. I currently have multiple shared servers and 1 new dedicated server with the same hosting company. Our new dedicated is almost 3 times the specs in terms of processor speed, memory, etc...

So here is the issue I'm experiencing - I'm experiencing a lag time when connecting to the server - about 2-3 seconds to connect via ssh. Also, when I visit one of the sites I put on the dedicated server, the images take quite a bit longer to load (from the dedicated server - by IP address) than they do on my shared vps server - by domain name.

The server is located in Atlanta, however - when I used a tracerout program called "Neo Trace" - the map view shows the server resolves in Seattle (however, it's second to last hop is our hosting company on the east coast). When I contacted my hosting company they assured me the server is in the Atlanta NOC - they told me that ARIN.net just hasn't updated their records for the IP address I'm using. Could the issue I'm describing with the traceroute (and confusion with ARIN) be the cause of the lag time and extra time to load images on a site on our new dedicated server?

Example of path taken
Denver -> Seattle -> San Francisco -> Los Angeles -> Dallas -> Atlanta -> Seattle -> Atlanta

I'm going to post an apache configuration question in the apache board about the images... but also wanted to see if anyone here may think this is definately from the IP address...as I also notice a lag connecting through SSH - when both my VPS servers and the new dedicated server are all in the same NOC.

 

AprilS




msg:352239
 10:56 pm on Jul 22, 2004 (gmt 0)

Just an update to my message - I was able to resolve the issue with images loading slower on the dedicated. It was due to "KeepAlive" being turned off. I turned it on and now the dedicated serves the images slightly faster than the old server.

Now my only question is regarding the lag time when connecting to the server via ssh, ftp, etc. It's not a "HUGE" issue - just a slight annoyance, as once I'm connected I don't have an issue.

andrew_m




msg:352240
 11:05 pm on Jul 22, 2004 (gmt 0)

See if you have dns properly configured. The delay may be because of the server trying to resolve your ip back to hostname. Or if you're coming from a fixed ip just add it to /etc/hosts

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