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From myat...@potsdam.edu
Subject RE: ** JVM and Processes
Date Fri, 01 Jun 2001 15:46:15 GMT
Randy,

Thanks for the advice. Could you be a little more specific, though, about
how to use green threads instead of native threads and possibly differences
between the two? Thanks.

 - Adam


At 10:59 AM 6/1/2001 -0400, you wrote:
>
>	Don't use ps - these are actually threads.  ps is showing them as
>processes because that is what it does.  If you use green thread (as opposed
>to the native threads you are using now), the display will go away, but you
>will experience a slowdown (how much depends on your operating system and
>other activity on the system).
>
>	Randy
>
>
>> -----Original Message-----
>> From: myatt83@potsdam.edu [mailto:myatt83@potsdam.edu]
>> Sent: Friday, June 01, 2001 10:37 AM
>> To: tomcat-user@jakarta.apache.org
>> Subject: ** JVM and Processes
>> 
>> 
>> Hi,
>> 
>> For a particular web server we are running with Tomcat 3.1, 
>> we are having
>> an issue with the java servlets that are running. What appears to be
>> happening is that each time a servlet is called from the web 
>> site, a new
>> process is created to run the java program. When I view 
>> processes with "ps
>> ax", I see dozens of instances of: 
>> /usr/java/jdk1.3/bin/i386/native_threads/java
>>  
>> It was briefly stated in Java Servlet Programming by Hunter & 
>> Crawford, (c)
>> Oreilly that 'most servlet containers execute all servlets in 
>> a single JVM
>> ... the exception being high-end containers that support 
>> execution across
>> multiple backend servers...' 
>> 
>> We are only using 1 web server with an average weekly load of 
>> a couple of
>> hundred visitors.
>> 
>> Any ideas as to why we would be seeing so many identical 
>> processes and if
>> so, how to modify that?
>> 
>> Thanks in advance.
>> 
>>   -Adam
>> 
>> 
>
>


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