System information

General Notes on System Tuning 3
General Notes on System
Tuning
1
This manual discusses how to find the reasons for performance problems and pro-
vides means to solve these problems. Before you start tuning your system, you should
make sure you have ruled out common problems and have found the cause (bot-
tleneck) for the problem. You should also have a detailed plan on how to tune the
system, because applying random tuning tips will not help (and could make things
worse).
Procedure1.1: General Approach When Tuning a System
1 Be sure what problem to solve
2 Rule out common problems
3 Find the bottleneck
3a Monitor the system and/or application
3b Analyze the data
4 Step-by-step tuning
1.1 Be Sure What Problem to Solve
Before you start tuning your system, try to describe the problem as exactly as possible.
Obviously, a simple and general “The system is too slow!” is no helpful problem de-