How to Do Website Performance Analysis and Tuning with Flood and Apache 2.0

124 Pages·2002·1.46 MB·English

How to Do Website Performance Analysis and
Tuning with Flood and Apache 2.0
Justin Erenkrantz
University of California, Irvine
Aaron Bannert
Covalent Technologies
1 The 4th O’Reilly Open Source Convention
No, not this type of flood
E
http://www.eng.uci.edu/˜bfs/flood.jpg
2 The 4th O’Reilly Open Source Convention
Flood
E
http://httpd.apache.org/test/flood/
E Subproject of the Apache HTTP Server Project
E Licensed under the Apache Software License a
E
Mailing List:
[email protected]
Updated slides at: http://www.clove.org/flood-presentation/
a
http://www.apache.org/LICENSE.txt
3 The 4th O’Reilly Open Source Convention
Why should you care about performance?
4 The 4th O’Reilly Open Source Convention
Performance equals $$
E Meet expectations
E Economies of scale
E Bang for buck
5 The 4th O’Reilly Open Source Convention
Capacity Planning
E How far can you go?
E Average load
E Peak load
6 The 4th O’Reilly Open Source Convention
Learn to love the Slashdot effect
7 The 4th O’Reilly Open Source Convention
Learn to love the Slashdot effect (cont.)
E Publicity is good
E May miss opportunity
E Need to capitalize
8 The 4th O’Reilly Open Source Convention
Denial of Service
E Worms
E Malicious attacks
E Email harvesters
E Robots
9 The 4th O’Reilly Open Source Convention
Unforseen factors
E Catastrophic events
F
A spokeswoman for Keynote Europe, a firm that monitors Internet
performance, said “the [9/11] slowdown was worse than ... Code Red.”
a
E May affect your ISP
E May affect potential client’s ISP
a
http://news.cnet.com/investor/news/newsitem/0-9900-1028-7130948-0.html
10 The 4th O’Reilly Open Source Convention