Computers are still a somewhat blackart to many people. Often, where it exists, the documentation can be impenitratable and few geeks want to change that. Its the old job security concept. I want to change that.
In this site you will find articles and links on various subjects; mostly Linux, Open Source and Programming related, but not exclusively. If you have any suggestions for articles or require expansion of any points in the articles, please feel free to contact me at this email address and I'll try to accommodate you.
Coping with heavy server loads
By Flib
2009-05-19
Category: Architecture
Not every site has been dugg or slashdotted, but when they do its a frequent occurance that the server is unable to cope with the sheer number of requests that are fired at it. However all is not lost, there are many little tricks that together can mean the difference between being able to weather the storm or being trampled by it.
Making Sessions Cluster-aware
By Flib
2009-05-19
Category: Architecture
Once your application scales to the point that a single server isn't able to serve all your visitors anymore, sessions can become a problem.
The default files-based session handler was only designed for a single server and so this must be taken into account if your application is to continue to run flawlessly.
In this article I try to show some of the options available for dealing with sessions in a cluster.