Performance Analysis
Extend Apache log to allow session tracking and response time logging
I used the following Configuration for httpd.conf to start logging Sessionkeys, Response times in seconds and also in microseconds, because if you are measuring performance then just seconds are not enough, however you will still need to do some work if you need to convert microseconds to milliseconds. # # The following directives define some [...]
Automated Code review
PMD eclipse plugin, which one can extend with custom rules. There is also a Maven plugin for this: http://maven.apache.org/plugins/maven-pmd-plugin/ and Bamboo plugin: https://plugins.atlassian.com/5987 Automated html reports can be generated using the maven plugin or Bamboo plugin during each build in bamboo in continuous manner,. and have the reports available to everyone who has access to bamboo. however PMD [...]
ATG: Tuning Apache + Tomcat
I did some tuning on Apache which vastly decreased response times. The tests show increase vast decrease in response. (see table below) which is due to the following improvements made effective by the tuning (Increased maxclients, KeepAlive on. KeepAliveTimeout etc): 1) Reusable connections to handle multiple requests from the same client, which in return causes [...]
Configuring Munin-node and Munin Server
Munin is an free, efficient, lightweight and easily extendable Monitoring tool. Its consists of ‘server’ and ‘node’ packages. You can install server in a single machine and node in all other machines and then view all information/statistical data via a web interface on the server machine. This quick copy and paste howto explains steps needed [...]
Jmeter result analysis
Do you use Apache-Jmeter? and stress the system for long periods of time and or the system is darn fast and the jmeter results files (*.jtl) get massive in hunderds of negabytes and or even a couple of gigbytes and there is no way that the jmeter gui can open even if you have assigned [...]