phpBB Performance – Reducing the script load overhead
This is the third in a series of phpBB performance articles and in this one I want to investigate how feasible it would be to use code globbing to reduce…
phpBB Performance – Reducing the data cache overhead
As I described in a previous article, you can use Linux utility strace to instrument a web request simulation and suPHP model. sudo -u www-data strace -tt -o /tmp/strace.log php…
phpBB Performance – A 3x challenge
The trigger for this article was a conversation with Mark Fisher, someone that I mentored through his early career, and who has remained a close friend over the years, though…
PHP – Why is image activation such an overhead?
As I’ve discussed in earlier articles, such as Using PHP applications on a Webfusion hosted service (Linux), a webserver will be able to achieve far higher thoughput processing PHP requests…
Getting burned on PHP operator precedence
With a POST form, you need to be careful when you return the response that the user might just issue a refresh and in doing so resubmit the form, resulting…