SUMMARY: Increasing process memory size

From: Steve March <Steve.March_at_Airgas.com>
Date: Wed, 16 Apr 2003 16:06:20 -0400

Thanks to those who responded.
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	Look at the per_proc_data_size, per_proc_stack_size, and
per_proc_address_space and adjust these accordingly.  This can be done by
using dxkerneltuner or modifing the sysconfigtab file.  To see what these 3
attributes does fully see the man page (man sys_attrs_proc)
Chris Bryant
UNIX Administrator
Dollar Thrifty Automotive Group
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In the "proc" section, it's per-proc-data-size and max-per-proc-data-size. 
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proc:
        max-per-proc-address-space = 2147483648
        per-proc-address-space = 2147483648
        max-per-proc-data-size = 2147483648
        max-per-proc-stack-size = 268435456
# Belonis made these kernel variable modifications to make 2GB RAM usable
#    by a single process
# and in response to sys_check suggestion
vm:
        vm-mapentries = 1000000
        vm-maxvas = 2147483648
        vm-vpagemax = 131072
I did this stuff in response to this ancient posting on this mailing list.
----
Steve March
>  -----Original Message-----
> From: 	Steve March  
> Sent:	Wednesday, April 09, 2003 5:08 PM
> To:	'tru64-unix-managers_at_ornl.gov'
> Subject:	Increasing process memory size
> 
> Do you know how to increase the memory size a process uses? 
> I assume it's one of the kernel parameters that you can just change and
> then reboot the server but which one is it?
> 
> I'm using Digital UNIX version 4.0E on an AS4100.
> 
> Steve March
> e-mail:	Steve.March_at_airgas.com
> 
Received on Wed Apr 16 2003 - 20:09:37 NZST

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