How to Misuse SQL's FROM Clause (16 tags)
Many SQL queries misuse their
FROM clauses. Misuse them? That's right. Stéphane Faroult explains this common mistake and demonstrates how two types of subqueries can improve performance and reliability.
Introducing LAMP Tuning Techniques (7 tags)
Having a successful web site can be a mixed blessing. It's nice to reach more people, but it's painful to run up against hardware limits. Fortunately, LAMP sites have several tuning options, from tweaking parameters to replacing components. Adam Pedersen explains.
Speeding up Linux Using hdparm (5 tags)
Instantly double the I/O performance of your disks or, in some cases, show 6 to 10 times your existing throughput!
Top Ten Web Performance Tuning Tips (3 tags)
In the world of Web publishing, lots of effort goes into building functionality, and to some degree into designing the user interface, but performance tuning is often overlooked in the mad rush to get to the next project. Here's a terrific list of top ten performance tips from Patrick Killelea, author of Web Performance Tuning, 2nd Edition.
Preventing Denial of Service Attacks (2 tags)
If you have servers on the public Internet, you're likely vulnerable to external Denial of Service (DoS) attacks. (You may be vulnerable to accidental internal attacks, too.) Fortunately, you can limit their likelihood and severity. Avleen Vig discusses strategies for diagnosing and defending against DoS attacks.