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Marc Slemko wrote:
> On Tue, 9 Nov 1999, Dan Milstein wrote:
>
> > You might consider using a different JDK which does not use native threading.
> > The Blackdown JDK, for example, will let you use green threads (user-level
> > threads). The native threading / user threading tradeoffs are not simple, so
> > you may actually see improved performance with user threads.
>
> It is very very unlikely for green threads (at least as implemented
> in any JDK that runs on Linux; the same thing applies in general
> as well) to give better performance than native threads for the
> vast majority of situations where jserv is used.
>
> The vast majority of what most serlvets do is IO, and IO is one of the
> slowest things there is using green threads.
Itīs not the performance that matters to much, but with green Threads
and Linux
the behaviour of your application becomes completele unpredictable under
high load.
At least this is the experience we made (blackdown jdk 1.2-v2).
Stefan
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