What is Apdex?
Ever since I started using New Relic I’ve been seeing a number for Apdex. Given that whenever I see a floating point number I presume that the calculation will be too complex for me
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More – The file system is slow
A while back I wrote one post on how the overhead of logging was so minimal that the performance impact was well worth the benefits of proper logging. I also wrote another blog post
Magento Performance on PHP 5.3, 5.4 and 5.5RC3
<update>Magento 1 now supports PHP 5.4</update> I woke up this morning with a burning desire to do load tests. Actually, I woke up with a burning desire to not do the same thing I
Testing GlusterFS for Magento
I am not a fan of NFS for production information. NFS is great for aggregating data from across multiple different machines, storing deployment files and other such administrative things. Serving static content? No. I
For the last time, the file system is not slow!!
Having started working at Magento I have been making myself more familiar with many of the different parts of the community. I have spent a fair amount of time over the past several weeks
No-.htaccess httpd.conf file for Magento
A couple of days ago I wrote a blog post on how why you should not use .htaccess files, or AllowOverride != All, on a production web server. What you should do is place
Why you should not use .htaccess (AllowOverride All) in production
Commonly known as .htaccess, AllowOverride is a neat little feature that allows you to tweak the server’s behavior without modifying the configuration file or restarting the server. Personally, I think this is great for
Magento, ESI, Varnish and performance
I have been doing a little playing with Magento over the past couple of days. I’ve been helping out Ebay/Magento by delivering some of their performance training over the past few months. I’m by
Setting max_input_time (with data!)
I asked a question on Twitter on why some of the recommend max_input_time settings seem to be ridiculously large. Some of the defaults I’ve seen have been upwards of 60 seconds. However, after thinking
Why is FastCGI /w Nginx so much faster than Apache /w mod_php?
I have a new post on using Jetty with PHP-FPM that, if you think this is interesting, you should check that one out. (this post has a sister post on Apache’s event MPM compared to