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Preface

This is about Tomcat performance.

• Tomcat Performance Concerns

• How do I increase performance on Tomcat?

Other (non-exhaustive) notes:

• Stress test your webapp. You can do this via JMeter, siege, flood, and other tools. Google is your friend.
• Tweak your UNIX box! Look at ulimit and kernel parameters.
• Bad design will hurt performance.
• Look at JProbe, or OptimizeIt, or New Relic, or other profiling tools . Lots of people recommend these tools. This is not an endorsement for them, I just notice other people like themfor Java.

Questions

1. Is Tomcat faster than serving static HTML pages than Apache httpd?Is there an application-specific comparison between Tomcat and Resin or other containers?
2. Is there a comprehensive, up-to-date, detailed benchmark comparing various servlet containers, including Tomcat?
3. How do I configure apache tomcat connectors for a heavy load site?
4. How do I make Tomcat start up faster?

Answers

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Q1 Q1

Is Tomcat faster than serving static HTML pages than Apache httpd?

Yes depending on how you tune it. And NO depending on how you tune it. Anything less starts a religious war. We recommend performing your own benchmarks and see for yourself. AnchorQ2Q2Is there an application-specific comparison between Tomcat and Resin or other containers?

Here's one comparing recent versions of Resin and Tomcat running AppFuse.

AnchorQ3Q3Is there a comprehensive, up-to-date, detailed benchmark comparing various servlet containers, including Tomcat?Yes. Here's the most comprehensive and objective one we've found to date: Web Performance, Inc.'s comparison.

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Q4 Q4

How do I configure apache tomcat connectors for a heavy load site?

The following excellent article was written by Mladen Turk. He is a Developer and Consultant for JBoss Inc in Europe, where he is responsible for native integration. He is a long time commiter for Jakarta Tomcat Connectors, Apache Httpd and Apache Portable Runtime projects.

Fronting Tomcat with Apache or IIS - Best Practices

• httphttps://people.apache.org/~mturk/docs/article/ftwai.html

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Q5 Q5

How do I make Tomcat start up faster?

See HowTo FasterStartUp