Optimizing the Performance of J2EE Applications

received this invitation to an webinar that will interest many of you
Topics to be Covered:
- Deep transaction breakdown from end-user to backend system
- Identifying bottlenecks
- Spotting synchronization and deadlock issues
- Isolating slow methods
- Solving memory leaks
Date:
Wednesday, November 12, 2003
Time:
10:00 a.m. - 11:00 a.m. (EDT)
in this webinar, please RSVP to Kimberly Buzzell at
(770) 677-1048

Hello,
I think the author I already mentioned used this: http://grinder.sourceforge.net/
It is for free.
We have been writing our own tool. The tool was actually not difficult. Problematic was the interpretation of the results. I can only advise you to keep a good protocol about what you have been meassuring an how you did this. Otherwise people will come up with strange ideas about the results of your loadtest.
You have to keep an eye on system ressources: The memory of the boxes involved, but also silly things like available connections. By opening and closing socket connections, we managed to run out of ressources on a SUN pretty fast...
Please be also aware that a loadtest, ..well produces load. Since we were testing a system where the middletier called up to the mainframe for data, we had to pick late hours for our test. At one evening we took 50% of the capacity of the mainframe... Don't underestimate the time it needs for negotiating and scheduling such meassurements!
good luck,
einar

Similar Messages

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    > Thanks for the response.
    >
    > There is no problem in the application as i know the
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    >
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    >
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    >
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    >
    > Thanks
    > Ajay

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    Hello,
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    It is for free.
    We have been writing our own tool. The tool was actually not difficult. Problematic was the interpretation of the results. I can only advise you to keep a good protocol about what you have been meassuring an how you did this. Otherwise people will come up with strange ideas about the results of your loadtest.
    You have to keep an eye on system ressources: The memory of the boxes involved, but also silly things like available connections. By opening and closing socket connections, we managed to run out of ressources on a SUN pretty fast...
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    Hi,
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    latha_kaps wrote:
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    2. Stored procedures are a good way to get the data from the result set iteratively. How can I implement this solution in Java?
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    2. Which RDBMS you use?
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    import java.io.*;
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    Hth

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