As a Web performance analyst, this is the sort of graph that melts your mind and makes you want to scream at the gods|goddesses to rain a plague of locusts on the offending System|Network|Web Site Administrators.

Click for a larger version

This is a classic display of the “run in circles, scream and shout” problem identification and resolution process.

One-half of the Opera Web servers at http://www.opera.com/ are not responding.

50%.

They have three separate public IP addresses, and it is clear that behind those IPs are many more NAT|VIP machines that respond to requests.

Did I mention that one-half of the machines at all three IP addresses are not responding to HTTP requests?

Has anyone at Opera noticed this?

Sometimes I feel like even the echoes aren’t listening anymore.

Technorati Tags: GrabPERF, Web performance, Opera, Opera Web browser, www.opera.com

Related Posts

• TechCrunch: Ever heard of HTTP Compression?
• GrabPERF: Some bad data leaked in
• Compressing Web Output Using mod_gzip for Apache 1.3.x and 2.0.x
• Resume/CV
• GrabPERF: Remote Agent Script Ready…I think