heap size for JVM! Post: 21010

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heap size!

I'm a new guy to this field and I'm learning a lot about UNIX! Can any explan to me what exactly does 'heap size' mean and how can i increase the size for AIX 4.3.3?

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I'm running websphere 4.5 on AIX 5 with java 1.3 and would like to find out the following: How much memory is allocated to each JVM, and how much of the allocated heap size is actually being used by a specific JVM?

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Hello, has anyone written something that will monitor/gather weblogic heap info ? I need to gather size, high/low stats to a file that I can upload to a speadsheet thanks for your help!

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Hi, I have a basic doubt here. Consider the following code snippet: main() { int *a; . . } Here the memory for a gets allocated in heap or stack.

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Hi Friends, i need a unix command to check the heap space availability on unix system as I am getting following error: Error occurred during initialization of VM Could not reserve enough space for object heap Error occurred during initialization of VM Could not reserve enough space for...

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Heap fragementation on HPUX

The Resident size(as observed from top) of my process is increasing. But, the behaviour is very random. My process works on request reponse model. So when i put some request load on my process the memory starts increasing. For initial few hours (approx ~3 hrs) it increase at a rapid rate and after...

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Checking heap memory size for java app

Hi I have one Java application installed in my Solaris system. Is there a way to find out the heap memory allocated size/used size/free size for the particular Java process? If anyone knows the command, please let me know. Even I appreciate if I have any scripts to find out the same. ...

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find size of heap allocated

I want to find the size of the total memory allocated on the heap for the following statement: int* a = new int;How can I use the sizeof operator for this? I used: printf("\t===> %d\n",sizeof(*a)); Is this statement correct? I have asked the question because when I checked the memory of...

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How to increase jvm size for solaris 10 (sparc) operating system

Hi, I have solaris 10 (sparc) operating system machine on which I have installed supported weblogic 10.3. It was installed properly. As we know weblogic uses jvm to run and uses a part of jvm memory. But I am facing one problem in which JVM is getting crashed again and again resulting my...

LEARN ABOUT HPUX

extendfs

extendfs(1M)															      extendfs(1M)

NAME

       extendfs - extend a file system size (generic)

SYNOPSIS

       FStype] size] special

DESCRIPTION

       If  the original file system image created on special does not make use of all of the available space, can be used to increase the capacity
       of a file system by updating the file system structure to include the extra space.

       The command-line parameter special specifies the device special file of either a logical volume or a disk partition.  The special  must	be
       un-mounted before can be run (see mount(1M)).

   Options
       recognizes the following options:

	      Specify the file system type on which to operate (see
			fstyp(1M) and fs_wrapper(5)).  If this option is not included on the command line, then the file system type is determined
			from the file

	      Query the size of
			special.  No file system extension will be done.

	      Verbose flag.

	      Specifies the number of
			blocks to be added to the file system.	If size is not specified, the maximum possible size is used.

EXAMPLES

       To increase the capacity of a file system created on a logical volume, enter:

SEE ALSO

       fstyp(1M), lvextend(1M), mkfs(1M), mount(1M), umount(1M), fs_wrapper(5).

																      extendfs(1M)

10 More Discussions You Might Find Interesting

1. Filesystems, Disks and Memory

heap size!

Discussion started by: i2admin

2. UNIX for Advanced & Expert Users

monitor jvm heap size

Discussion started by: rein

3. Shell Programming and Scripting

script to gather weblogic jvm heap size stats

Discussion started by: galenw

4. Programming

Heap and stack

Discussion started by: naan