Thank you Peter, I forgot to add that I had set the parameters as follows:
"-Djava.awt.headless=true -Xmx1500m -Xms1500m"
The -D parameter was there before so I did not mess with it.. I had tried with and without the -Xms parameter and did not see any difference in behavior.
Lyman
Peter Crowther wrote:
>> From: Lyman [mailto:
lbyrd@...]
>> I increased the machine specs
>> from 64mb ram 500 mhz pII to a P4 1.3ghz 1gb ram.
>
> Java will only use the amount of RAM you tell it to, not the entire machine RAM. It defaults to a low value - probably 64Mbytes in your environment. You'll need to add appropriate statements to set Java's minimum and maximum heap memory to your Tomcat startup script. From memory (it's a long time since I used a non-Windows Tomcat) this comes down to adding something like:
>
> export JAVA_OPTS=-Xms512m -Xmx768m
>
> to catalina.sh - if it already has JAVA_OPTS in there, just add those to the end. You'll need to tune them so you still have enough memory for the OS and any other services on the box.
>
>
http://wiki.apache.org/tomcat/FAQ/Memory is probably useful reading.
>
> - Peter
>
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