Exercises, examples and other material relating to training module A912. This module is presented on Private Courses
and Specially Run Courses
|Articles and tips on this subject||updated|
|2082||Jmeter - a first test case|
Would you like to see how your web site performs under load? I mentioned ApacheBench (ab) in a recent post, but you can also use a tool like Jmeter. And although Jmeter is written in and runs in Java, you can use it to look at the performance of other servers and network resources too.
In famous ...
|1377||Load Balancing with Apache mod_jk (httpd/Tomcat)|
A single instance of Apache httpd can handle a very large number of simple requests for files to be served ... but a single instance of Apache Tomcat can handle far fewer requests for applications to be run. After all, there's a big difference between just handing someone a piece of data and having ...
|3018||Tuning Apache httpd and Tomcat to work well together|
If you're running Tomcat as your servlet / JSP container, you're more than likely to have it (or them - you may have multiple instances) running as application servers behind Apache httpd (the Http server) or behind a pair of Http servers. That just like having a team of people providing a service (let's ...
|2060||Database connection Pooling, SSL, and command line deployment - httpd and Tomcat|
Yesterday (yes, that was a Saturday!) I was running a tailored Apache Tomcat training and consultancy day - a day on which I cover a lot of standard training material, but did so in relation to a particular application for the delegate(s).
Most of what I covered was in our own material (which we can ...
|1908||Java CLASSPATH explained|
When you run a Java program (be it though the java virtual machine or as a servlet within a web or application container such as Tomcat), it's only the main code (class) that's initially loaded. Any other code (classes) are loaded in dynamically as needed.
Where are these classes loaded from?
|1718||Increasing Java Virtual Machine memory for Tomcat|
Q. "How do I increase the memory that my Java Virtual Machine in Tomcat can use?" A question asked - not for the first time - by a delegate on todays's Deploying Apache httpd and Tomcat course.
A. Set the JAVA_OPTS environment variable. Longer answer:
If you're running on a Unix or Linux system, ...
Some modules are available for download
as a sample of our material or under an Open Training Notes License
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Topics covered in this module
Upgrading Apache Tomcat server software.
Retaining data and applications, and data integrity.
Versions of Tomcat and Version Controls.
Log checking and analysis.
Configuration and tuning changes.
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