Any Additional Steps After Adding New RAM To Sever? Post: 302525492

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Operating Systems AIX Any Additional Steps After Adding New RAM To Sever? Post 302525492 by zxmaus on Thursday 26th of May 2011 10:54:16 PM

05-26-2011

Moderator

Hi,

is your java app potentially 32bit like websphere or certain other apps. Than you might run into the trap with limited shared memory as this is not unlimited like for 64bit apps. To work around this, put export EXTSHM=ON in the profile of the user which runs the java application.
Further several Java apps are only allowed to consume as much (shared) memory as explicitely is allowed within the application configuration.
And yes your memory settings do not allow the system to use the memory it has. Try the settings we keep recommending -

Code:

vmo -p -o minperm%=3
vmo -p -o maxperm%=90
vmo -p -o maxclient%=90
vmo -p -o minfree=960
vmo -p -o maxfree=1088

try to mount your filesystems with noatime and consider carefully if you need to really keep things in memory - if not consider mounting the corresponding filesystem rbrw which sends back the memory into the free list as soon as the IO is completed.
Kind regards
zxmaus

zxmaus

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talagent

TALAGENT(8)						    BSD System Manager's Manual 					       TALAGENT(8)

NAME

     talagent -- helper agent for the Transparent App Lifecycle feature.

SYNOPSIS

     talagent [command [arguments]]

DESCRIPTION

     The talagent daemon provides services related to the Transparent App Lifecycle feature.  talagent may also be run manually as a command line
     tool to output information about persistent state.

     The options are as follows:

     -help
	 Outputs usage information.

     -dump bundle_id_fragment
	 Outputs the persistent state of an application whose bundle ID contains the given fragment, case insensitive ("textedit" for example).
	 You may also pass a path directly to the app's persistent state directory, usually in ~/Library/Saved Application State.

     -launch bundle_id
	 This launches an app (in this case, TextEdit) in a manner approximating how apps get launched at login. You can pass either a bundle ID
	 fragment or a path to an app.	The app is maintained stopped until you hit return in the launching window (or until it receives SIGCONT).
	 This is the easiest way to test the login scenario without needing to log in.

     -casinfo [ASN]
	 With no arguments, outputs summary information about all apps. With one argument (an ASN), outputs the CAS record for that app.

     -memory_pressure
	 Simulates memory pressure, which may cause apps that support automatic termination to exit. This does not actually allocate any memory.

     -refresh_encryption
	 Rotates the bitmap encryption key, and attempts to cross-encrypt all existing window bitmaps under the new key. This is done periodically
	 by talagent.

HISTORY

     First appeared in Mac OS X 10.7

macOS								 September 1, 2010							     macOS