Christopher,
thanks for your reply. Answers inline.
> > What I see in the profiler is Max Heap Size 310378496 B, which is only 0.28
> > GiB.
>
> This is probably the maximum size of the /used/ heap. Can you confirm that?
Nope. Netbeans profiler says: Max Heap Size 310378496 B, Max Used Heap
261
Martynas,
On 11/11/20 10:20, Martynas Jusevičius wrote:
I am attempting to make my webapps that run in Tomcat to take
advantage of the Docker container-specific JVM options such as
-XX:MaxRAMPercentage:
https://www.eclipse.org/openj9/docs/xxinitialrampercentage/
TL;DR It allows specifying JVM he
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Domenico,
On 2/8/2010 11:31 AM, Domenico Marzilli wrote:
> Yes, Chris,
> it depends on the type of data.
> For example:
> 1) the elements of an array are addressed with 64 bit pointers;
Yes, but the array itself does not take up more space, unless it
> From: Domenico Marzilli [mailto:domenico.marzi...@gatelab.com]
> Subject: Re: max heap size on Windows server 64 bit
>
> By the way, what options for the JVM are you speaking about?
-XX:+UseCompressedOops
- Chuck
THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE
: "Christopher Schultz"
To: "Tomcat Users List"
Sent: Monday, February 08, 2010 5:22 PM
Subject: Re: max heap size on Windows server 64 bit
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Domenico,
On 2/4/2010 3:42 AM, Domenico Marzilli wrote:
It's normal to be forced to dou
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Domenico,
On 2/4/2010 3:42 AM, Domenico Marzilli wrote:
> It's normal to be forced to double the heap on migrating from x32 to x64
> hw.
> Just think to the pointer addressing , that is based on a 64bit
> representation of the memory address, rather t
Really!
I tried to run it and now all works fine.
Tnx
- Original Message -
From: "Mark Thomas"
To: "Tomcat Users List"
Sent: Thursday, February 04, 2010 3:00 PM
Subject: Re: max heap size on Windows server 64 bit
On 04/02/2010 13:11, Mehrotra, Anurag wro
> From: Wolfgang Hummel [mailto:wolfgang.hum...@energy4u.org]
> Subject: AW: max heap size on Windows server 64 bit
>
> if you wanna install tomcat 1.6 on a 64bit windows server with a 64 bit
> java you have to download an extra patch for tomcat6w.exe and
> tomcat6.exe from svn.
Not true - the ap
On 04/02/2010 13:11, Mehrotra, Anurag wrote:
> I just finished installing 64 bit tomcat (6.0.24) on 64 bit JVM
> (1.6.0_18)on 64 bit OS (WIN 2008). I was able to install it as a service
> without any problems.
>
> The trick is to start with the zip file distribution (64 bit). Do not
> use the wind
your computer.
-Original Message-
From: Domenico Marzilli [mailto:domenico.marzi...@gatelab.com]
Sent: Thursday, February 04, 2010 3:43 AM
To: Tomcat Users List
Subject: Re: max heap size on Windows server 64 bit
It's normal to be forced to double the heap on migrating from x32 to x6
ed to execute the 'service.bat install' of Tomcat 6.0.24, but doesn't
run.
Please could you help me?
Thanks
Domenico
- Original Message -
From: "Peter Crowther"
To: "Tomcat Users List"
Sent: Thursday, February 04, 2010 9:02 AM
Subject: Re: max heap
On any 64-bit OS, more than 2G is fine. I know several places running
dedicated application servers with 16G RAM and 12G Java heaps.
Where have you read about the 2G recommendation? I want to send them an
email... :-).
- Peter
On 4 February 2010 07:53, Wolfgang Hummel wrote:
> Hi,
>
> we are
r tests with different values for Xmx woud like to
> know, if anyone had tried tomcat with higher values for Xmx.
>
>
>
> Thanks
>
>
>
>
>
>> Date: Fri, 8 Jan 2010 16:00:43 -0500
>> From: ch...@christopherschultz.net
>> To: users@tomcat.apache.org
>&
> From: V Jayakumar [mailto:v...@hotmail.com]
> Subject: RE: Max heap size
>
> http://docs.sun.com/app/docs/doc/819-3681/abeii?a=view
> says that maximum address space for a process in 32 bit version of
> Linux is 2 GB.
>
> But am not sure for which version of JRE this
had tried tomcat with higher values for Xmx.
Thanks
> Date: Fri, 8 Jan 2010 16:00:43 -0500
> From: ch...@christopherschultz.net
> To: users@tomcat.apache.org
> Subject: Re: Max heap size
>
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>
> Chuck,
>
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Chuck,
On 1/8/2010 3:34 PM, Caldarale, Charles R wrote:
>> From: Christopher Schultz [mailto:ch...@christopherschultz.net]
>> Subject: Re: Max heap size
>>
>> Here's an updated script to check for maximum heap.
>
&g
> From: Christopher Schultz [mailto:ch...@christopherschultz.net]
> Subject: Re: Max heap size
>
> Here's an updated script to check for maximum heap.
Just remember that this measures the maximum heap available to an extremely
simple process. For a complex execution like Tom
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All,
Here's an updated script to check for maximum heap. I'm also including
the (simple) code for the MemoryInfo class referenced in the script (the
lack of this class being available was why the script failed for me
earlier).
Enjoy,
- -chris
maxhea
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Chuck,
On 1/8/2010 9:37 AM, Caldarale, Charles R wrote:
> Experimenting to find the largest -Xmx value for your environment
> should only take a few minutes.
I used this script long ago and got something like 2600 MiB as the max I
could use. I just t
> From: V Jayakumar [mailto:v...@hotmail.com]
> Subject: Max heap size
>
> OS : 32 Bit Redt Hat Enterprise Linux
> $ java -version
> java version "1.6.0_14"
> Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
> Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode, sharing)
> apache-tomcat-5.5
Well, it depends on the jvm memory usage. I use for my system this JAVA_HOME
jvm parameters in catalina.sh:
-Xms64m -Xmx512m -XX:MaxPermSize=200m
It is not certain that this configuration is good for your system. I set
200Mb for max permgen size because the objects in permgen on average occupy
120
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