Jim Archer wrote:
> Hello..
>
> --On Friday, May 11, 2001 8:25 AM +0100 "Kimpton,C (Chris)"
> <[EMAIL PROTECTED]> wrote:
>
>>> So if each java process I see is a thread within the same VM,
>>> does anyone
>>> know what causes a new thread to be started?
>>>
>>
>> new Thread();
>>
>> ;-)
>
>
> Yeah, OK...
>
>
>> I presume you have a performance problem and your trying to track down
>> where things are slow? In which case look at optimisation tools....
>
>
> Not necesserally a performance problem. We have been load testing for
> the purpose of seeing what might fall over and I was just trying to get
> an understanding of what the app server is doing, how much RAM is being
> used, and so on. Ultimately, we hope to be running our app on a
> Debian/Linux box with Jetty, jBoss and PostgreSQL.
>
> All the threads also raise a shutdown question. We have written an
> init.d script to gracefully start and stop jBoss as a server task, in
> the same manner as other Debian processes. If the script issues a kill
> to each thread, will this produce a gracefull shutdown, or will it
> terminate each thread ungracefully?
>
The kill should be sent to the parent of all the threads. If you look at
ps -axf output you'll see that run.sh spawns one process, which is then
the parent for all the threads. A change in run.sh to save the pid of
the java process into a file in var would be the best way to accomplish
this.
-danch
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