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Image generation is a very heavy process : it cost a lot of CPU and RAM.
A particular attention has been given to performance in the devellopement and test process of JCaptcha.
In order to achieve transparency on this subject, the framework is heavily load tested, and tests results are provided in the source distribution.
The tests are currently run on my own PC wich is a standard home computervarious plateforms including wintel, linux, and sparc/ux.
We encourage you to run and publish the load tests on your own production platform...
Load tests concerns :

• JCaptcha engines integration load tests: to compare the CPU/RAM cost of a particular captcha test generation
• JCaptcha services mocked load tests: to compare the CPU/RAM cost of a particular life cycle management strategy
• JCaptcha services integration load tests: to compare the CPU/RAM cost of a particular life cycle management strategy with a particular
  see :
• Engine junit report
• Service junit report To run load tests, simply run maven having this line commented in the build.properties file :

  Code Block
  jcaptcha.load.test.exclude=**/*LoadTest*.*

  see : http://fisheye1.cenqua.com/browse/jcaptcha/jcaptcha/build.properties?r=1.15#l7

Management and JMX

The jcaptcha service provide some jmx facilities.
A manageable service provides :

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