Sometimes, sysadmins know that a system needs to be upgraded, but they can not precise why, or what part needs to be upgraded. In many cases, some of the bottlenecks can be resolved by just tuning the system, without any hardware upgrade at all."
June 12, 2005
Performance analysis on Linux
Flavio Villanustre writes "Performance analysis and bottleneck determination in Linux is not rocket science. It requires some basic knowledge of the hardware and kernel architecture and the use of some standard tools. Using a hands-on approach we’ll walk readers through the different subsystems and the key indicators, to understand which component constitutes the current bottleneck of a system.