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From David kerber <dcker...@verizon.net>
Subject Re: Tomcat 6 Memory Heap Limit
Date Tue, 15 Feb 2011 16:11:13 GMT
On 2/15/2011 10:57 AM, Johnson, Rob E wrote:
> It is a stand alone 32 bit server

The most a 32-bit OS can give to any process is ~3GB, and anything over 
2GB requires changing some boot settings.  But you'll be able to run a 
bunch of tomcat instances, all with 2 or 3GB, with that much physical RAM.



>
>
> Rob Johnson MBA/IT
> IT Specialist
> ONRR
> 303-231-3963
> 303-589-9278 (Cell)
>
>
> -----Original Message-----
> From: Leon Rosenberg [mailto:rosenberg.leon@gmail.com]
> Sent: Tuesday, February 15, 2011 8:55 AM
> To: Tomcat Users List
> Subject: Re: Tomcat 6 Memory Heap Limit
>
> Windows Server 2003<- is this a 32 bit OS?
> And if not, are you using 64 bit java vm?
>
> regards
> Leon
>
> On Tue, Feb 15, 2011 at 4:51 PM, Johnson, Rob E<Rob.Johnson@onrr.gov>
> wrote:
>>
>> Hi,
>> Apache Tomcat 6.0.20
>> Windows Server 2003
>> 50G RAM
>> I'm running Apache Tomcat 6.0 as a service on a Windows 2003 Server
>> with 50G of RAM. I want to fully utilize the 50G of RAM (40G) but I
>> cannot get the Apache Service to start again if I go any higher than
>> the setting listed below:
>> -Xms1024m -Xmx1024m
>> -XX:MaxPermSize=256M
>> -XX:PermSize=512
>> I initially used the Tomcat Configuration Manager to attempt to adjust
>
>> these setting. I also tried setting them in the registry,
>> HKLM/software/ApacheSoftwareFoundation/Procrun2.0/Tomcat6/Parameters/J
>> av e (jvms and jvmx). I also tried adding creating an Environmental
>> Variable; JAVA_OPTS -Xms1024m -Xmx1024m.
>> Thanks,
>> Rob
>>
>> Rob Johnson MBA/IT
>> IT Specialist
>> ONRR
>> 303-231-3963
>> 303-589-9278 (Cell)
>>
>>
>>
>
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