W. Chris Shank on Thu, 8 Aug 2002 09:20:27 -0400


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Re: [PLUG] tomcat4 on linux


i agree with these guys too. anything you do in java is going to be ram
intensive. limiting the memory heap is a good idaa and will keep java
resources low, but will slow your jvm even more. also, you can try
green-threads instead of native threads. - don't recall exactly what the
switch is for threading, maybe -Dthreads=green. a quick google search should
find it.

but your best bet is to get more ram and/or a faster box.




> On Thu, Aug 08, 2002 at 01:37:34AM -0400, Mental Patient wrote:
>> Keith Bentrup wrote:
>> >Hi everyone,
>> >        I am running tomcat4 on my RH7.2 box.  It's an old box and 
>> >doesn't have much memory, so I am trying to limit the number of 
>> >processes it loads.  I specify maxProcessors of 5 in the server.xml,
>> >but  when I do ps, it shows 20 running.  Anyone know what gives? 
>> >Tomcat is  really bogging down my machine.    Help will be greatly
>> >appreciated. Thanks,
>> 
>> Threads show up as processes in linux.
>> 
>> 
>> Why on earth would you run java on a low memory machine? Its going to 
>> suck. If its educational for you to learn in or something, set 
>> maxprocesses to 1 or something and maybe you'll be ok.
>> 
> Agreed.
> 
> Depending on which JVM you are using, the -Xmx switch could be
> available which limits the size of the memory pool used.
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