Exercises, examples and other material relating to training module A506. This module is presented on
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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 ... | 2012-10-13 |
2079 | Java - Memory Allocation and garbage collection When you're running a dynamic application (and most of the languages we teach these days are dynamic), memory is allocated and released as necessary at run time, with allocation happening 'as required' and being released from time to time by a garbage collector - there is no point is collecting a few ... | 2012-10-13 |
3043 | Gathering information - logging - with log4j. First steps. Generating information about processes as they run - who has visited a server, where orders have been received from, noting which requests have been slow - are all vital elements of debugging and monitoring processes. And this information gathering all comes under the title of "logging".
Anyone who's ... | 2010-11-12 |
2081 | Connecting jconsole remotely - the principles BEWARE - this first is a "shows you how" and is insecure ... I am doing the demo this way because the security requirements add various issues that would complicate the first demonstration of principle.
1. Set up your SERVER to allow jmx remote connections on an otherwise unused port - we have done ... | 2009-03-14 |
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, ... | 2008-07-25 |
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