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From Ron Bolin <rbo...@issl.atl.hp.com>
Subject Re: Tomcat 3.2/3.3 Number of Java Processes Configurable??
Date Tue, 31 Oct 2000 19:16:16 GMT
Craig,

You are correct -  the OS is Linux with IBMJava 2.1-3 (native
threads). 
Normally I have used TC on Solaris and HP-UX and did not notice this
behavior.
Since I am new to Linux idioms I associated the ps and top output as
processes
when they were in fact threads. I looked through some of the code and
saw the
thread connection pool, but the ps output got me:-)

Thanks

Ron
 

"Craig R. McClanahan" wrote:
> 
> Ron Bolin wrote:
> 
> > Is the number of spawned JVM process configurable? I have started
> > looking,
> > but so fare have not found a configuration file for determining the
> > maximum number of JVM processes forked by the Tomcat watchdog.
> >
> > Any suggestions would be appreciated.
> >
> 
> Tomcat doesn't actually fork any processes at all ...
> 
> I would guess you are probably running on a Linux system with a JVM that
> supports native threads, right?  If so, all those entries in a "ps"
> display are actually threads, not processes.  The primary consumer of
> threads is the connection pool, which you can tune to manage the number
> of simultaneous connections that are supported by tweaking the values in
> server.xml.
> 
> >
> > Thanks
> >
> > Ron
> >
> 
> Craig McClanahan
> 
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Ronald (Ron) L. Bolin              Hewlett-Packard Software Scientist
VMail:  404-648-5675               Internet & Systems Security Lab
FAX:    404-648-9516               20 Perimeter Summit Blvd, MS 1110
EMail:  rbolin@issl.atl.hp.com     Atlanta, GA 30319-1417
Web:    http://www.mindspring.com/~rlb,
http://www.cs.zeus.gsu.edu/~matrlb
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