Posts Tagged ‘performance issues

Lately, there have been outages for two large sites: Amazon and Facebook. Working for a company that monitors such things made me able to confirm the nature of the outages.  But how I became aware of them has had me thinking in new ways for the last few weeks.
I became aware of both of these [...]

Netcraft noted that Yahoo encountered a bit of a headache today. So I fired up my handy-dandy little performance system and had a look.

Although for an organization and infrastructure the size of Yahoo’s this may have been a big event, in my experience, this was a "stuff happens on the Internet" sort of thing.
Move along [...]

This morning, after months of increasing performance issues, and connectivity issues, I have retired the Boston Verizon measurement location. This location hosted 2 measurement agents.
The machines, hosted in my basement, are connected using Verizon FiOS, which has become increasingly flaky over the last couple of months. As well, the machines are 7 year old Pentium [...]

Ensight and Blog Herald both discuss the floundering and thrashing of Technorati.
My take is that they are having a success failure.

© 2005 GrabPERF
This is how long it takes their servers to deliver on a simple search for “new york”. I have discussed at various points throughout the last week that there are some steps that [...]

Dear Technorati…

In: smp

8 Jul 2005

You have noted that you are experiencing some performance issues related to high load (here). So I investigated and found that all the servers at the hostname www.technorati.com are responding with HTTP/1.0 headers and are explicitly closing the connections to the clients.
Why?
This will not relieve the performance problems. In fact, doing this may make the [...]

There is a slight chance that I could be going to Germany at the end of the month, so I need some help.
I am looking for reader comments/suggestion on a solid, robust, multi-country power adapter for my emergency bag (I fly off to foreign countries to solve Web performance issues almost daily — NOT!).
So far [...]

In writing the last post, I was thinking about what factors go into making the Web performance of a site "excellent". What defines in the minds of the sites users/customers/visitors/critics/competitors that the performance of a Web site is excellent?
These are usually judged by the standard factors:

Usability
Responsiveness
Availability
Traffic
Reliability
Security
Clarity

But within the company itself, how is the performance of [...]


About this blog

Stephen Pierzchala is one of a 10-year veteran of the Web performance field who also writes on topics that interest his non-linear world-view.

Contact

stephen@pierzchala.com

+1 (508) 410-3865