Monthly Archives: February 2008
Apache gotcha with ServerLimit
A little gotcha that happened to me a while ago; A rather sizeable customer had just launched a new campaign and had problems with HTTP content matching alerts being thrown rather frequently. This particular solution has got five loadbalanced webservers … Continue reading
Highly unscientific comparison of webservers
A while ago a customer asked us to perform some benchmarks which would be applicable to their live application. The webservers in question are Apache, lighttpd and nginx The tests were made using apachebench on two dedicated machines with no … Continue reading
MySQL backup using lagged replication
It’s a rather common thing to use a slave DB for backup purposes in a MySQL shop. This ensures that the application is always available since no table locks will be acquired for taking the backup. This is usually not … Continue reading
MySQL upgrade to 5.1.22 and stored procedures
I upgraded a database for one of our customers a while back from 5.1.16-beta to 5.1.22. The developers and myself obviously gave the ChangeLogs a thorough read to ensure that nothing would affect us as far as we could tell. … Continue reading