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why does Sun JVM have a hard max mem limit of 93meg on 2gig pc with no setting modified?

 
 
Mistton
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      04-19-2007
have a several PCs running WinXP SP2 and W2k SP2 latest patches. all have AMD
or Intel chips with at least 1 gig ram.

have Java applet that at times requires ~250 meg of ram. on some boxes it
runs in less than 1 min on other takes over 30 mins.

on ones with 30 mins i notice mem never goes over 150 meg ram usage in task
manager even when box has 600 meg free. on boxes with 1 min time it goes to
250 megs and finishes.

i have tried all versions of Sun JVM from 1.4.2 to 1.6

i went to http://www.duckware.com/support/javahelp.html and noticed that on
boxes that are fast in the Java VM: Your Java VM reports the following
diagnostic information: section in max mem it said >128 meg or >256 etc

on slow boxes its says max memory: 93 meg.

there are no settings in the java plugin

can anybody please explain
 
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Oliver Wong
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      04-19-2007

"Mistton" <> wrote in message
news:4626d582$0$248$...
> have a several PCs running WinXP SP2 and W2k SP2 latest patches. all
> have AMD
> or Intel chips with at least 1 gig ram.
>
> have Java applet that at times requires ~250 meg of ram. on some boxes
> it
> runs in less than 1 min on other takes over 30 mins.
>
> on ones with 30 mins i notice mem never goes over 150 meg ram usage in
> task
> manager even when box has 600 meg free. on boxes with 1 min time it
> goes to
> 250 megs and finishes.
>
> i have tried all versions of Sun JVM from 1.4.2 to 1.6
>
> i went to http://www.duckware.com/support/javahelp.html and noticed that
> on
> boxes that are fast in the Java VM: Your Java VM reports the following
> diagnostic information: section in max mem it said >128 meg or >256 etc
>
> on slow boxes its says max memory: 93 meg.
>
> there are no settings in the java plugin
>
> can anybody please explain


I'm assuming you're not interested in an explanation so much as a
solution.

When I google for "java applet max memory", I get:

Sun Java Plugin - How to Increase the Java Applet Memory Limit
Installing Java 1.5 along may fix your out of memory errors. ... Optional:
To view your current Java applet 'Max Mem', visit the Java Help web page
....
http://www.duckware.com/pmvr/howtoin...letmemory.html

- Oliver


 
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Lew
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      04-19-2007
Mistton wrote:
> have a several PCs running WinXP SP2 and W2k SP2 latest patches. all have AMD
> or Intel chips with at least 1 gig ram.
> ... on slow boxes its says max memory: 93 meg.


Please, please do not multi-post.

You posted the same question in clj.programmer as "why does Sun JVM have a
hard max mem limit of 93meg on 2gig pc with no setting modified?" and cl.java
as "why does Sun JVM have a hard max mem limit of 93meg on 2gig pc with no
setting done".

--
Lew
 
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