On Sep 13, 2012, at 5:37 PM, Christopher Schultz wrote:
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Patrick,
On 9/13/12 11:41 AM, Patrick Flaherty wrote:
I'm trying to change the max memory (java heap -Xmx) using
Tomcat's //US// switch. I type it according to the Windows service
how-to. We would like to script this into our Tomcat deployment
script which right now simply installs the service using "service
install".
With the service already installed I tried the following command
line options:
tomcat7.exe //US//tomcat7 --JvmMs=512 --JvmMx=1024
Hmm.
tomcat7.exe //US//tomcat7 --JvmOptions -Xms512m -Xmx1024m
Although I get no error, I know its not taking because after
starting tomcat.exe I look in the Windows process manager and it
shows its only using 50MB of ram instead of 512MB of ram (the -Xms
value)
Silly question: how do you start Tomcat? (tomcat.exe does not exist).
It's a Windows service. While testing this I'm just using the Services
Control Manager to stop and start the service.
Any help would be greatly appreciated.
You didn't follow the instructions for --JvmOptions:
http://tomcat.eu.apache.org/tomcat-7.0-doc/windows-service-howto.html
I did follow the instructions. There are options for *just* min/max
heap size (JvmMS & JvmMx)
You want:
- --JvmOptions -Xms=512#-Xmx=1024
No, this did not work.
After you do either of your commands, what do you see if you do:
C:\> tomcat7w.exe //ES//tomcat7
I'm just launching tomcat7w.exe in Windows and checking the Java tab
to see if it took.
That should show you the current configuration (and let you edit
everything if you want).
Remember that you are only editing the service definition: you will
have to launch Tomcat via the service if you want that configuration
to take effect. Also, if Tomcat is running when you change the
configuration, you'll have to restart the service to notice any
change.
- -chris
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