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  • JMX for Monitoring

    I have a vague memory from the Spring tutorials that JMX can be used to Monitor (only) java objects. Which (duh) is half the point.

    I want to use this to take a look at some of the internals of a web app I need t performance tuning and profiling. However it would appear from all the documentation I have seen that I need to adjust the objects for JMX.

    Am I missing something?

    Is this a reasonable way to do the performance/profiling or are there better ways?

    Thanks

  • #2
    You don't need to modify your code in order to expose your beans as JMX MBeans.

    See this article for how to do this:

    http://www.smartkey.co.uk/blogArticl...ticleNumber=87

    This is a simple approach to performance profiling, but there are better ways.

    Have you tried JMeter? The interface is terrible, but it is feature rich...

    http://jakarta.apache.org/jmeter/

    There are also commercial offerings like Borlands OptimiseIt, or JProfile that are more intuitive to use

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    • #3
      There are better ways to do performance profiling.

      Try JMeter or OptimizeIt.

      If you want to use JMX and don't want to change your code, take a look at this article:

      h t t p : / / w w w . s m a r t k e y . c o . u k /blogArticle.html?articleNumber=87

      ------
      http://w&#119 ;w.smartke& #121;.co.uk//blogArticle.html?articleNumber=87
      ------

      Steve.

      Comment


      • #4
        You might also try an evaluation version of SpringSource AMS, which will monitor a large number of Spring components without requiring extra configuration to get the MBeans exported (they are automatically created and updated when your application is bootstrapped). http://www.springsource.com/products/suite/ams

        If you are looking to do more heap profiling/diagnostics at dev time, I've heard good things about YourKit and VisualVM as well.

        Jennifer
        Full Disclosure - SpringSource AMS Project Lead

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