SAP Memory Management as of kernel 7.4

Hi everybody,
I was trying to look for all documents needed for the new Memeory Management of Kernel 7.4+
From SAP Note 2085980 I was redirected to SAP Note 1998242 but this one is currently not released.
Does any one of you have a copy of the Note 1998242 so I can continue with my first overview research?
Regards,
Niklas

Hi Niklas
You can use this note for mamagement memory from 7.40
88416 - Zero administration memory management for the ABAP server
I hope that this help you.
Josué Acuña

Similar Messages

SAP Memory Management

Hi All,
Iam just starting Performance area in SAP, i would like to have knowledge on memory management. So could anyone help me the starting in this area.
Cheers
DV

Hi ,
[Link|Re: FAQ: Memory Management in SAP for Windows;Re: FAQ: Memory Management in SAP for Windows
Thanks,
Ramakrishna.

Error code kernel data inpage , memory management , 0xc000021a , 0xc00000e9 on windows 8

Hi everyone I am sahasvat.I am using Acer aspire 5755. It's specification are Intel i3 3rd gen processor, 2Gb DDR 3 ram and 500 GB hdd.I am running on windows 8 OS. I opened about 4 tabs on google chrome and suddenly a blue screen with sad face displayed
an error kernel data inpage and it got restarted and after 5 mins I opened google chrome and again blue screen came and displayed an another error memory management and while restarting on bios I pressed f8 and booted to safe mode as normal
mode didn't open.soon after 20 mins I restarted my lap and I received an error 0xc000021a bios and windows booted.i then pressed power button for a min and switched on my pc but it showed a different error 0xc00000e9. I restarted many times
either 0xc000021a or 0xc00000e9 used to come not an fixed error. I don't have my cd as it got scratches on CD. Plzz help me to get out of this problem.
I can't even access my laptop and I am using my windows phone to post this.

Hi everyone I am sahasvat.I am using Acer aspire 5755. It's specification are Intel i3 3rd gen processor, 2Gb DDR 3 ram and 500 GB hdd.I am running on windows 8 OS. I opened about 4 tabs on google chrome and suddenly a blue screen with sad face displayed
an error kernel data inpage and it got restarted and after 5 mins I opened google chrome and again blue screen came and displayed an another error memory management and while restarting on bios I pressed f8 and booted to safe mode as normal
mode didn't open.soon after 20 mins I restarted my lap and I received an error 0xc000021a bios and windows booted.i then pressed power button for a min and switched on my pc but it showed a different error 0xc00000e9. I restarted many times
either 0xc000021a or 0xc00000e9 used to come not an fixed error. I don't have my cd as it got scratches on CD. Plzz help me to get out of this problem.
I can't even access my laptop and I am using my windows phone to post this.

SAP Solution Manager SR1 with MSSQL on W2K3 IA32 - Problem with Kernel

Hello,
we are implementing a sandbox in order to test the SAP Solution Manager 4.0 SR1 with MSSQL on W2K3 IA32. Therefore we ordered the installation CD for the above mentioned configuration. Instead of getting the SAP NETWEAVER Kernel SR1 we got SR2. Now we have the problem, that the installation program SAPINST is requesting the SR1- Kernel.
Unforunately the SR1-Kernel seems no longer available in the download section.
It would be fine to get a suggestion how to solve the problem.
Thanks
Best regards
Ralf Richter ([email protected])

Hi Andreas,
thanks for the hint, I have already checked the LABEL.ASC. I have no LABEL.ASC-Key for the SAP Netweaver 2004s SR1, so it would be a possibilty to substitue this key. But neverhteless, I think, there should be another official procedure in order to use the SR2 instead of the old SR1. I have contacted Klaus Billing at SAP as recommended in the OSS Note 918078. Best regards. Ralf R.

Memory Management of SAP HANA

Hi All,
I went through one of the documentation in SAP HANA Memory management .
http://www.saphana.com/servlet/JiveServlet/download/2299-2-12806/HANA_Memory_Usage_v2.pdf
This gave me a really good understanding about the Memory management of HANA . Queries for Used and Resident memory and comparison with Overview tab numbers
I had few questions , Which was almost answered in other discussed in one :
But i still have few questions about Resident and used memory
Used Memory : Code + Tables + DB Managment
Resident : what is the formula or content ?
What does this picture refers to ?
Infact the below statements are bit confusing
When memory is required for table growth or for temporary computations, the SAP HANA code obtains it from the existing memory pool. When the pool cannot satisfy the request, the HANA memory manager will request and reserve more memory from the operating system. At this point, the virtual memory size of the HANA processes grows.
Once a temporary computation completes or a table is dropped, the freed memory is returned to the memory manager, who recycles it to its pool, usually without informing Linux6. Thus, from SAP HANA’s perspective, the amount of Used Memory shrinks, but the process’ virtual and resident sizes are not affected. This creates a situation where the Used Memory may even shrink to below the size of SAP HANA’s resident memory, which is perfectly normal.
My doubt here is how in any given point of time used memory can go below the used memory , because resident memory is always loaded with what is there in used memory , When used memory itslef is less , what does resident contains extra .
Also how to make a relation with HANA used memory , Database Resident memory , Virtual memory .
In case of a memory issue , what should we check , Used memory of HANA   OR resident memory of HANA ?
Thanks,
Razal

Hi all,
I am trying understand memory part bit in details , as i am building a complete monitoring infrastructure for HANA , and memory is core of HANA all part of HANA
Can you also help me to understand how to make some difference for used memory in HANA and Resident memory
When we say that the Resident memory is something from OS point of view , this is the memory of the OS which is really being used .
So if the used memory from HANA Perspective is full , OS still have some free memory which can be used , How that part is managed .
When i say we are out of memory , Both used memory from HANA
Resident memory from OS is full ?
OR does the used memory is simply a calculation of Code + table + etc from HANA point of view .
When execute query :
SELECT SERVICE_NAME,ROUND(SUM(TOTAL_MEMORY_USED_SIZE/1024/1024/1024), 2) AS
"Used Memory GB", ROUND(SUM(PHYSICAL_MEMORY_SIZE/1024/1024/1024), 2) AS
"DB RESIDENT Memory GB" FROM SYS.M_SERVICE_MEMORY GROUP BY SERVICE_NAME
SERVICE_NAME     Used Memory GB DB RESIDENT Memory GB
1 nameserver         6.73           1.7
2 preprocessor       5.38           0.24
3 indexserver        9.19           4.35
4 scriptserver       7.52           1.83
5 statisticsserver 8.52           3.87
6 xsengine          7.92           1.82
7 compileserver    5.31           0.23
On top of all this , In admin view i get used memory as 17.87 as used memory and 18.89 as peak .
How this used memory is summed up in admin view .
I am using version 70 .
Thanks,
Razal

Kernel Update from 7.00 to 7.01 - SAP Solution Manager EHP1

Can anyone give me some information about update sap kernel?
How must I proceed?
Thanks!

Login to service market place www.service.sap.com>downloads>supporpackages and patches>My company applicationsselect sap solution manager>SAP SOLUTION MANAGER 7.0 EHP 1>Entry by component>solution mangaer ABAP stack>select sap kernel 7.01 64 bit unicode-->select widows
server on X64bit>select database indendent>just scroll download you can see list of pathces select SAPEXE_23 which is the lates one and selet the check bot to add to download manager now select database dependant patch based on your database you have installed(Ex oracle or MS SQL)
select the same patch SAPEXEDB_23 and download the 2 patches through download manager
uncar the 2 patches throught sapcar command
sapcar -xvf <and give the patchnameSAPEXE......SAR>
sapcar -xvf <and give the patchnameSAPEXEDB......SAR>
Now take the backup of existing kernel
Drive:/usr/sap/SID/SYS/exe/uc
once the backup of kernel is finshed stops SAP and releated services
start>cmd>services.msc-->stop the service sap<SID_instance number> and saposcol service
now copy all the uncar newfiles to original run directory and replace all.If you face
problem like some service is still running then stop all the oracle services also and
try again.
Once all the files are copied then start the services and SAP
Let me know if needed more information
Regards
Uday

Tune sap memory parameter

Hi experts,
How can calculate the value of sap memory parameter if wish u tune.
i have app+db both different servers.
no central instance.
12-12 GB both server.
Please suggest which value set for the sap memory parameter.
REgards,
Vivek

You need to tune SAP and DB parameters for good performance.
830576 Parameter recommendations for Oracle 10g
172747 SAP on HP-UX: OS kernel parameter recommendations
Refer to the document on Memory Management and forums
http://help.sap.com/printdocu/core/print46c/en/data/pdf/BCCSTMM/BCCSTMM.pdf
http://forums.sdn.sap.com/thread.jspa?threadID=1788609
Regards,
Arjun

What is difference between 32 bit and 64 bit sql server memory management

What is difference between 32 bit and 64 bit sql server memory management
Thanks
Shashikala

This is the basic difference...check if helps:
A 32-bit CPU running 32-bit software (also known as the x86 platform) is so named because it is based on an architecture that can manipulate values that are up to 32 bits in length. This means that a 32-bit memory pointer can store a value between 0 and
4,294,967,295 to reference a memory address. This equates to a maximum addressable space of 4GB on 32-bit platforms
On the other hand 64-bit limit of 18,446,744,073,709,551,616, this number is so large that in memory/storage terminology it equates to 16 exabytes. You don’t come across that term very often, so to help understand the scale, here is the value converted to
more commonly used measurements: 16 exabytes = 16,777,216 petabytes (16 million PB)➤ 17,179,869,184 terabytes (17 billion TB)➤ 17,592,186,044,416 gigabytes (17 trillion GB)➤
As you can see, it is signiﬁcantly larger than the 4GB virtual address space usable in 32-bit systems; it’s so large in fact that any hardware capable of using it all is sadly restricted to the realm of science ﬁction. Because of this, processor manufacturers
decided to only implement a 44-bit address bus, which provides a virtual address space on 64-bit systems of 16TB. This was regarded as being more than enough address space for the foreseeable future and logically it’s split into an 8TB range for user mode
and 8TB for kernel mode. Each 64-bit process running on an x64 platform will be able to address up to 8TB of VAS.
Please click the Mark as answer button and vote as helpful if this reply solves your problem

ERROR MESSAGE sap system manager:work process restarted, session terminated

Hi,
i am a beginer in SAP administration, users are getting this error message and i have done all my research and not able to resolve this issue. Here are the details
SAP Version :ideas 4.7
Database :Oracle
OS : windows 2003
Module user is working on MM
user working on it is a Super user with all the permissions
SAP is configure to run under the European date and decimal format.
I have never done any database administration on it, it is a new install and has been rarely used.
User creates a RFQ and when he tries saving it , seems like for the first time after either restarting the macine or restarting the service it might work and at time it might not, this is a very sporadic error and most of the times it crashes out with the message "sap system manager:work process restarted, session terminated" and kicks the user out of the session.
Below are the details of the error message from ST22 :
name of the runtime error : system_core_dumped
below are the details of the error message and its resoltion as suggested by sap help :
========
Runtime Errors         SYSTEM_CORE_DUMPED
       Occurred on     01.02.2008 at 07:52:19
Process terminated by signal " ".
What happened?
The current ABAP program had to be terminated because the
ABAP processor detected an internal system error.
The current ABAP program "SAPLCLSC" had to be terminated because the ABAP
processor discovered an invalid system state.
What can you do?
                                                                                Make a note of the actions and input which caused the error.
To resolve the problem, contact your SAP system administrator.
You can use transaction ST22 (ABAP Dump Analysis) to view and administer
termination messages, especially those beyond their normal deletion
date.
Error analysis
An SAP System process was terminated by an operating system signal.
                                                                                Possible reasons for this are:
1. Internal SAP System error.
2. Process was terminated externally (by the system administrator).
           Last error logged in SAP kernel
                                                                                Component............ "Taskhandler"
Place................ "SAP-Server server1_DEV_00 on host server1 (wp 1)"
Version.............. 1
Error code........... 11
Error text........... "ThSigHandler: signal"
Description.......... " "
System call.......... " "
Module............... "thxxhead.c"
Line................. 9555
How to correct the error
The SAP System work directory (e.g. /usr/sap/c11/D00/work ) often
contains a file called 'core'.
Save this file under another name.
If you cannot solve the problem yourself, please send the
following documents to SAP:
1. A hard copy print describing the problem.
   To obtain this, select the "Print" function on the current screen.
                                                                                2. A suitable hardcopy prinout of the system log.
   To obtain this, call the system log with Transaction SM21
   and select the "Print" function to print out the relevant
   part.
3. If the programs are your own programs or modified SAP programs,
   supply the source code.
   To do this, you can either use the "PRINT" command in the editor or
   print the programs using the report RSINCL00.
4. Details regarding the conditions under which the error occurred
   or which actions and input led to the error.
System environment
SAP Release.............. " "
Application server....... " "
Network address.......... " "
Operating system......... " "
Release.................. " "
Hardware type............ " "
Character length......... " " Bits
Pointer length........... " " Bits
Work process number...... " "
Short dump setting....... " "
Database server.......... " "
Database type............ " "
Database name............ " "
Database owner........... " "
Character set............ " "
SAP kernel............... " "
Created on............... " "
Created in............... " "
Database version......... " "
Patch level.............. " "
Patch text............... " "
Supported environment....
Database................. " "
SAP database version..... " "
Operating system......... " "
User, transaction...
Client.............. " "
User................ " "
Language key........ " "
Transaction......... "ME41 "
Program............. "SAPLCLSC"
Screen.............. "SAPMM06E 0320"
Screen line......... 71
Information on where termination occurred
The termination occurred in the ABAP program "SAPLCLSC" in "EXECUTE_SELECT".
The main program was "SAPMM06E ".
The termination occurred in line 131 of the source code of the (Include)
program "LCLSCF2G"
of the source code of program "LCLSCF2G" (when calling the editor 1310).
=============
i even tried increasing the dialog processes but with no use.The same error occurs.
I appreciate every one of help i can get, i am working on a deadline which is tomorrow evening to resovle this issue, any kind of help is highly appreciated.
thanks
mudessir.

Hi
   follow correction method suggested in this dump,
" The SAP System work directory (e.g. /usr/sap/c11/D00/work ) often
contains a file called 'core'. Save this file under another name."
have you done this?
with regards,
raj.
<i>pls, award points</i>

ERROR WHILE OPENING SAP CONSOLE MANAGER

Hello Experts,
i am unable to login to SAP console manager, i see errors in event viewer
could you please guide me how can i remove this errors from event viewer.
when i am opening the windows, i get a pop up message saying, one or move events not closed properly....
IN system log under SAP console i see event viewer errors created...
please help, so that i can start my SAP training at the earliest....
Best Regards.....

Hello
Investigate via the system and/or application logs. Restart the system (cold restart) hardware to clear shared memory.
Regards.

OSX inactive memory management problems

On my 2010 Macbook Air 11" running OSX 10.8 Mountain Lion, I have run into some major issues with memory management. This problem persists across both my Mac machines and multiple generations of OSX. I have a 2007 2.2 Ghz Core 2 Duo Macbook Pro Running Lion (upgraded from Tiger) with 3 gb 667Mhz DDR2 RAM and my 2010 Air 1.4Ghz Core 2 Duo (Upgraded from Snow Leopard to Mountain Lion) with 2gb 1067mhz DDR3 RAM. On both machines, for some time now, during normal usage; especially web browsing using Chrome and Safari (respectively); the inactive RAM on both machines will grow to consume around 30% of all RAM and force time consuming page outs to the mass storage drives on both machines. The Pro has a slower hard drive and the problem is the worst here, the air has a much faster SSD. I have found myself constantly having a window of Activity Monitor up on at least one of my desktops watching my RAM usage, using terminal to purge ram upwards of 10 times an hour to prevent costly page outs, especially on the Pro. I know Apple claims that inactive RAM is essentially free RAM that is temporarily storing recently used information for ease of access later and that it's supposed to be released as free memory when needed, but this obviously is not happening. Right now on my air my swap file is over 650Mb and I've seen it top 2Gb before. The air is exponentially better than the Pro due to the faster SSD, but I do notice substantial UI lag and a massive drop in fluidity as soon as my meager 2Gb is full and I start paging. The Pro is another story entirely, the entire system will essentially become unusable, having to wait several seconds for mouse clicks to even register. That's why I upgraded the stock 2Gb of RAM it comes with to 3Gb hoping that a 150% increase in RAM would help, but it just prolonged the inevitable. I still end up paging out just as bad across both systems if un checked. Even when I keep a close eye on memory usage and purge often, I still end up paging out because I'm not vigilant enough.
I have to limit my browsing to less than 5 tabs and keep my number of open programs less than 2 on both machines. My active and wired memory rarely seem to top 70%, meaning the rest gets taken by inactive, which isn't functioning as Apple claims. Even if my conclusions aobut what is happening under the hood are incorrect, something is going terribly wrong. I can't upgrade the RAM on my Air at all, and the RAM on my Pro is capped at 4Gb. I'm holding on upgrading because I don't think the excess hardware will solve this software memory problem. Whatever is happening is causing a serious drop in performance for me (yes I do know I have underpowered machines), but there has to be something I can do to speed performance. I've read about disabling the dynamic page file entirely, which just seems to crash the system when free memory is gone, and I've read about programs that claim to free memory. Those programs seem to work by taking a high priority in the process heigharchy of the OS and then proceeding to eat up large portions of RAM and releasing them as needed in an attempt to replicate the true intentions of inactive RAM, but I've heard of problems with this method as well. Does anyone have a viable solution? Monitoring my RAM usage myself and ensuring I don't end up paging out is costly, time consuming, annoying, and inefficient since I fail to catch the problem before I page if I get particularly busy. There is no other OS I've ever been acquainted with that has this problem, not any flavor of Linux, not even the dreaded windows. I seriously hope Apple can do something to manage this runaway memory problem. I'd like to be able to open more than 3 windows in Safari. I've had to purge 3 seperate times while writing this on my Air, and I now have 678 inactive memory, 741 inactive, 582 wired, and less than 14Mb free out of 2Gb with a growing swap at 680Mb. Each purge becomes less and less effective and the last one I did freed up only about 100Mb and it got eaten up again by inactive in less than 10 seconds. On my Air, the memory hog is Safari right now at 700Mb between the web content and flash player with only Facebook, youtube, and this Apple Supprt tab open. I have NO other applications running in the fore or background other than Activity Monitor and Terminal. On my Pro the memory hog is always kernel task, I use Chrome and Safari both. While the memory used by the browser does not usually take up the most substantial portion of the total used RAM out of any process, the more tabs I open, the more RAM I use. The browser is usually the second heaviest RAM hog to Kernel Task. So it seems that across the two machines there are two lsightly different manifestations of the same problem with the same results: massive performance drops and extremely annoying and costly page outs no matter the reason. I just want this problem to go away. I've used underpowered windows laptops that can open a dozen tabs in a heavier browser like IE or Firefox while using other programs like Word or Excel and more with no memory lag issues. There's no way in **** I could manage to open that many pages in a browser while using Pages and/or Numbers on either of my machines and expect reliable (swap free performance). This is just kind of sad in my opinion. Does anyone have a way to get my OSX machine running smooth so that I can remove the one thing that windows and Linux fan boys get the right to laugh at my Macs for?

Hi Zephryl,
I was actually able to get an initial response from Sun on this a few months ago. However, the Sun Swing team has not followed up on a resolution for this pervasive problem, even though they noticed the same problem when running a test applet I had created for them. Apparently, I.E. is not releasing memory from the heap.
Below is a quote from a Sun rep. on this in an e-mail sent to me on Dec 4, 2002:
"I suspected the leak is in the native code because the # of handles and GDI objects keep increasing but no obvious Java objects are left behind in the Java heap during page switch."
So, until Sun and/or Microsoft work out a solution to this, anyone who uses I.E. 6 and applets for their UI seems to be in a lot of trouble.
As a note, trying to invoke the Garbage Collector does not do anything, but generally a very small amount of memory will be released (like maybe 5-10% of the memory allocated for the applet).
Cheers!
Avi Gray
Global Computer Enterprises

Solution Manager Installation Error "SAP SOLUTION MANAGER 7.0 EHP 1"

I am new to SAP and currently trying to install SOLMAN 7.0 EHP 1 on Windows Server 2008 R2. I have read the documentation also. For JDK I have used "j2sdkfb-1_4_2_24-rev-b06-windows-amd64.exe" which looks to be working fine.
The installation process runs fine until it hits "Start Instance" the message on the bottom says "Starting instance xxx/DVEBMGSOO" (where xxx is my sid) and then its times out after 10 minute. After timing out I get the following error on the window.
An error occurred while processing option SAP Solution Manager 7.0 EhP1 > SAP Systems > Oracle > Central System > Central System( Last error reported by the step: ABAP processes of instance ORC/DVEBMGS00 ABAP: UNKNOWN did not start after 10:00 minutes. Giving up.). You can now:
Choose Retry to repeat the current step.
Choose Log Files to get more information about the error.
Stop the option and continue with it later.
Log files are written to C:\Program Files/sapinst_instdir/SOLMAN/SYSTEM/ORA/CENTRAL/AS.
Though the installation steps are not fully completed but I do see SAP management Console and when I open it I see two process running "msg_server.exe" & "igswd.exe" The process dispwork.EXE starts in the beginning and then stops and stays stopped. I tried restarting all the process again but only tow of them starts and the process "dispwork.EXE" starts but then stops again. I also did a NEW installation considering a file could have been corrupted or something else but the installation process stops and the same place. I am sure ppl have installed SOLMAN on windows 2008 R2 and this error seems common to me. Please assist. Any tips would be nice.
Edited by: amirsd on Aug 3, 2011 5:53 PM

Hi,
Please check the below
1) ip/host entries should be in /etc/hosts
2) patch the latest kernel for 2008 R2
and re run installation
Regards,
Ram

Notification Assignment Type Issue - SAP Work Manager 6.0

Hello Experts,
We are not able to download notifications on the device for header level work center that is assignment type = 5.
We have done the below configuration.
- added the user parameter for work center in user profile.
- changed assignment type to 5 in Notification MDO.
Same configuration is working properly in case of work orders only change is assignment type set to 8 and changed in client global value Wo.AssignmentType to 8.
There is no configuration guide available which explains notification assignment types in SAP Work Manager 6.0.
Any help would be appreciated.
Regards,
Abhishek
Tags edited by: Michael Appleby

Hi,
In the notification MDO data filter, you also need to add a filter to the WORK_CNTR field. It should be user parameter type, with value "VAP".
Also, from memory, I had to disable some other filters that were set out of the box. These were filtering out my data.
Hope that helps
Michael

SAP Solution Manager 4.0 Install on iSeries V5R4M0 fails on STEP 40 of 40

During Step 40 of 40 of Solution Manager 4.0 install on iSeries running i5/OS V5R3M0 failed with the following error:
ERROR 2006-08-18 10:00:57 [iaxxgenimp.cpp:728]
showDialog()
FCO-00011 The step fixTemplate400 with step key
|NW_Onehost|ind|ind|ind|ind|0|0|SAP_Software_Features_Configuration|ind|ind|ind|ind|5|0|NW_Call_Offline_CTC|ind|ind|ind|ind|7|0|fixTemplate400
was executed with status ERROR .
TRACE [iaxxgenimp.cpp:657]
showDialog()
<html><head></head><body><p>An error occurred while processing service
<b>SAP Solution Manager 4.0 > SAP Systems > IBM DB2 UDB for i
TRACE [iaxxgenimp.cpp:1093]
showDialog()
waiting for an answer from gui
***********End of Data*******************
Searching OSS Notes, there is no reference to the FCO-00011 error code

Hello Loli,
I think it was me, who misunderstood.
Now I followed your recommendations, increased virtual memory on the sapinst machine, restarted the pc and the installation and it completed successfully. Thank you very much.
Sorry that I can't give you points for the helpfull answer, because this is not my thread.
Kind regards,
Jürgen Scheckelhoff.

Oracle 9i Automatic PGA Memory Management

Hello,
my team and me, we are facing difficulties to change the size of the PGA used by our server processes for HASH JOIN, SORT... operators,
here you can see the results of "select * from v$pgastat":
[pgastat dynamic view results|http://pastebin.com/m210314dc]
We have been increasing consecutively our pga_aggregate_target parameter from 1.7 Gb initially to 4Gb then at the end 6Gb, the value of "Global memory bound" and " aggregate pga auto target" on the link above are still equal to 0.
I have been reading threads on the forum and documentation see below, I understand how the global memory manager (CKPT) computest the sql memory target and then the global memory bound, as far as I understand I can only "play" on the pga_aggregate_target value in order to increase the size of our PGAs (I exclude to play with hidden parameters).
- Joze Senegacnik: Advanced Management of working areas in Oracle 9i/10g : http://tonguc.yilmaz.googlepages.com/JozeSenegacnik-PGAMemoryManagementvO.zip
- Dageville Benoit and Zait Mohamed: SQL memory management in oracle 9i
Here different information that could be usefull:
OS: solaris 10 (db running in a non global zone)
Arch: 64-bit sparcv9 kernel modules
Physical memory: 32 Gb (being shared between all non global zones)
Oracle version: 9.2.0.5 32bits
Values of init parameters and hidden parameters that could be relevant:
[init parameters|http://pastebin.com/m40340cf4]
[hidden parameters|http://pastebin.com/m50d74c53]
Maybe useful queries:
over work areas views, I use the following script:
[wa_analysis.sql|http://pastebin.com/d606ebd9b]
and the result of it:
[result of script wa_analysis.sql|http://pastebin.com/m5f49a2e5]

Joze Senegacnik wrote:
- either your sessions are using a lot of memory for storing variables like pl/sql arrays which is subtracted from automatic management: PGA_AGGREGATE_TARGET - (aggregated persistent area + a part of the run time area of all server processes)
- you are hitting a bug
- or maybe something elseI am really happy you come to this conclusion too, they are the same we made with my team and we have submitting to Oracle support via metalink SR 3-1216060641, we were asking if we hit the following bug (in note 1) or we leak about pl/sql or java... or else indeed,
note 1: PGA_AGGREGATE_TARGET Assigned Memory Is Left Unconsumed When Set High [ID 844542.1]
Joze Senegacnik wrote:
I would like to know:
1.) what were the values for global memory bound and autotarget immediately (or in short time) after the database restart or when you have increased them Just after the restart of the database and just after the change of P_A_T, we query v$pgastat immediately after and the value of global memory bound and auto target were equal to 0 byte,
2.) If you are able to change value of PGA_AGGREGATE_TARGET (P_A_T) to 10GB what happens with global memory bound and auto traget. They should be positive at least for a short time. As this is a dynamic parameter you can change it for a short time, run queries and set it back.We plan to do this tonight, we have an "heavy" ITIL change management procedures that allow us to make changes approved by change manager and only during night maintenance window on production system, I come back to you tomorrow. But we have been increasing from 1,7Gb to 4Gb to 6Gb, each time I have been querying v$sgastat in the next 2 mins and global memory bound and auto target were equal to 0 byte.
3.) Have you checked on the OS level how much memory are using server processes - do these numbers come along with what Oracle says. Not during problematic activities, meaning active work areas performing HASH-JOIN, SORT... operators,
unfortunately it is a production system, even if he performs poorly, we are not allowed to try or retry the poor queries, but if it comes again I'll do it,
during low activities, here the results paste with the scripts I used:
[pga processes info in oracle|http://pastebin.com/f2e540062]
I spooled the result rows of this previous script in /var/tmp/pga_processes.log then I loop over all processes pid and display pmap output anon info like this:
h5. cat /var/tmp/pga_processes.log | awk -F' ' '{print $5}' | xargs -n 1 -i pmap -x {}| grep -v 'Addres' |egrep 'Kb' 2>&1 > /var/tmp/pga_processes_os.log
then I merge line by line the two files with unix paste command, here the results:
[os and oracle pga informations|http://pastebin.com/f4135c8a6]
4.) How many server processes are running on you system in average/max and are you using just dedicated processes or also shared?in average 250, we are only using dedicated processes,
5.) At time of low activity is the global memory bound still 0 or becomes > 0. I have been querying every 15 min during more than 24 hours low activities, it still stay to 0,
5.) Are you experiencing paging/swapping on OS level?No, here orca figures for details:
[free memory|http://img509.imageshack.us/img509/5897/ohuron1asd2gauge1024xfr.png]
swap
[pagein pageout|http://img121.imageshack.us/img121/6946/ohuron1asd2gaugepginper.png]
[memory usage|http://img19.imageshack.us/img19/2213/ohuron1asd2gaugeppkerne.png]
6.) Please post the result of: select * from X$QESMMSGA ;during low activities, [results X$QESMMSGA|http://pastebin.com/f61df7093]
While you will be answering to my questions I'll try to figure out what we can do to properly diagnose the problem. As you are on 9i it is a little bit harder.I am really kind of your help, as we say in my country, "if you need tow arms one day to carry something, call me."
--Jeremy Baumont

SAP Memory Management as of kernel 7.4

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