At 14:28 16.12.00 , you wrote:
>Hi all!
> I made some tests to find out how transactions affect
> performance. I called
>a sessionless' ejb empty function with different transaction attributes. It
>turned out that call time mean was about 250 ms and it almost not changed
>depending on attributesn (Requires, supports, ...). So, does transactions
>have so little impact on perfomance???
> Why it takes about 250ms to invoke an empty function on ejb? Is
> it because
>ejb are distrubuted objects? What else could affect the ejb performance?
>
>Regards,
> Savotchkin Egor
you must have made a mistake 250ms is ridiculously slow. that's 4 calls per
sec!!!! please check your setup. this doesn't reflect our observations at
all. even with transactions that's way too slow or are you by any chance
using a 386 with 4 Meg RAM and a nojit VM ;-)).
regards,
robert
>Web-technologies department
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>
(-) Robert Krüger
(-) SIGNAL 7 Gesellschaft für Informationstechnologie mbH
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