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Jean-Luc Rochat wrote:

> > and run ab -n 1500 -c 500 http://xxx/yyy/CountHit
> I don't rember ab was able to do > ~120 concurrent threads (fd/ process
> limit ?).
> and Apache (except if hacked(one variable, little hack) & recompiled) is
> limited to 254 sub-process. So you'll maybe have a queue.

Yes, I set this parameter to load mod_jserv but for my "true" servlet
I just use -c 30

> > I've two computers :
> >     one bi P3 450 and one P3 450 (running apache)
> > during the test with ab, I get one JServ busy
> > if I try a new test, the JServ which was busy doesn't respond
> > It seems to be done forever ...
> I think that you maybe exceeded the processes capacity. Does the gc get
> spare time to start ?
> What's you heap size ? the answer is maybe here, do you knnow (option
> -verbosegc) if the gc starts ?

I'll make a test.

> What do you find in logs ?

Nothing interesting ;-)

> If you can't find annything, what about testing it whith another jvm ?
> the blackdown 1.1.7 is maybe less buggy, or IBM's ...
> or try Solaris. ;-) Lots of people think it's the most stable, and so do
> I.

Ok.
I've made a test with the same hardware and Solaris 2.7 (x86) last
jdk.
But Solaris was slow compare to Linux with high load.

    Thanks.

        Ludo



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