Linux memory ballooning problem

Hi all, my customer has a MS HyperV 2012 (not R2) cluster for virtualization purposes. Stumbled in dynamic memory allocation I just had a try, reading around about supported configurations etc. As per what i understand, for a 2012 environment the only
concern is to set identical startup and maximum ram values.
Once the vm is booted, after a while, the ram amount start to decrease, meanwhyle in terminal some "out of memory kill process" starts and the amount returns into the original max value.
Any idea or experience about that scenario? The RHEL release is 6.4, integration services embedded.
Tanks in advance.

~
~
. . . , the udevs ones is really interesting.
~
~
But use rules by
Nikolay Pushkarev :
RHEL
6.5 / CentOS 6.5 ; RHEL 6.4 / CentOS 6.4 include support for Hyper-V drivers
==
Following rule works slightly faster for me (assuming that memory0 bank always in online state):
SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[1-9]*", RUN+="/bin/cp /sys$devpath/../memory0/state /sys$devpath/state"
And one more thing, udev solution doesn't work in 32-bit kernel architecture, only for 64-bit. Is this by design or yet another bug?
==
P.S.
And see topic
Dynamic Memory on Linux VM

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Start-SPAssigment -Global$web = New-SPWeb $url –Name $Name –UseParentTopNav -description $description -ea stop
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I am seeing memory ballooning. I am running this on a test system at the moment but I can't actually create 100 sites without getting system out of memory errors. The powershell process itself is using 6 GB by this point. I tried using advanced assignment
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$spO = Start-SPAssigment
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Thanks
Darrell

Just to be clear this is PowerShell I am talking about...
This technet article: http://technet.microsoft.com/en-us/library/ff607664(v=office.15).aspx disagrees with you.
Quoted here:
The Start-SPAssignment cmdlet properly disposes of objects used with variable assignments.
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How do I report a major memory leak problem with Firefox 3.6.10 in WinXP?

After I installed Firefox 3.6.9 on a WinXP desktop, I occasionally had minor memory leak problems, reflected by getting "out of virtual memory" messages. I upgraded to 3.6.10 when notified that it was available and that it supposedly fixed stability problems. Ever since then, whenever I use Firefox, it starts out quick as a flash, but very rapidly slows down to a crawl, and has twice brought my system to a halt. IE does not cause this, nor any other program I use, but the execution speed of all programs slows as badly as Firefox. If I knew where to get older versions, I would back up to 3.6.9 or earlier. The situation now prevents me from using Firefox much at all.

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Problem description: I have ordered a new iMac but my current one seems to be running very slowly. I believe it to be a memory related problem but can't seem to identify what is causing it. Help is greatly appreciated.

Problem description:
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EtreCheck version: 2.1.8 (121)
Report generated March 7, 2015 at 4:01:26 PM PST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    iMac (24-inch, Early 2008) (Verified)
    iMac - model: iMac8,1
    1 2.8 GHz Intel Core 2 Duo CPU: 2-core
    2 GB RAM Upgradeable
        BANK 0/DIMM0
            1 GB DDR2 SDRAM 800 MHz ok
        BANK 1/DIMM1
            1 GB DDR2 SDRAM 800 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
    ATI Radeon HD 2600 Pro - VRAM: 256 MB
        iMac 1920 x 1200
System Software: ℹ️
    OS X 10.10 (14A389) - Time since boot: 23 days 18:5:35
Disk Information: ℹ️
    ST3320820AS_Q disk0 : (320.07 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Macintosh HD (disk0s2) / : 319.21 GB (195.05 GB free)
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ℹ️
    HP Officejet 6000 E609n
    Apple, Inc. Keyboard Hub
        Primax Electronics Apple Optical USB Mouse
        Apple, Inc Apple Keyboard
    Apple Inc. Built-in iSight
    Western Digital External HDD 500.11 GB
        My Passport (disk1s1) /Volumes/My Passport : 500.11 GB (200.60 GB free)
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        Apple Inc. Bluetooth USB Host Controller
    Apple Computer, Inc. IR Receiver
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        /Applications/Popcorn 4/Popcorn.app
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Memory Leak Problem at Adobe LiveCycle Server 9.0

Hi All,
We want to upgrade our system to 9.0. During the performance test we have found memory Leak problem at ALS 9.0. I explain the detailed problematic issue below. Is there any body who has any suggest?
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public static bool GeneratePdf(Document document, byte[] pdfTemplate)
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GM Patch Version: SP2
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ADOBE® LIVECYCLE® PDF Generator ES2
9.0.0.0
SP2
ADOBE® LIVECYCLE® Reader Extensions ES2
9.0.0.0
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ADOBE® LIVECYCLE® Output ES2
9.0.0.0
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Changed Configurations via ADMINUI
Memory Leak Problem which is viewed via wily tool:

Hi Mahir,
Can you attach the results of this performance test where we can see how GibsonMemoryTracking class is causing the memory leak issue.
Also do you see any stackTrace in the LiveCycle server logs related to memory / heap when you run this performance test ?
Thanks,
Simer

Does making objects equal null help the gc handle memory leakage problems

hi all,
does making objects equal null help the gc handle memory leakage problems ?
does that help out the gc to collect unwanted objects ??
and how can I free memory avoid memory leakage problems on devices ??
best regards,
Message was edited by:
happy_life

Comments inlined:
does making objects equal null help the gc handle
memory leakage problems ?To an extent yes. During the mark phase it will be easier for the GC to identify the nullified objects on the heap while doing reference analysis.
does that help out the gc to collect unwanted objects
??Same answer as earlier, Eventhough you nullify the object you cannot eliminate the reference analysis phase of GC which definitelely would take some time.
and how can I free memory avoid memory leakage
problems on devices ??There is nothing like soft/weak reference stuffs that you get in J2SE as far as J2ME is concerned with. Also, user is not allowed to control GC behavior. Even if you use System.gc() call you are never sure when it would trigger the GC thread. Kindly as far as possible do not create new object instances or try to reuse the instantiated objects.
~Mohan

Memory leak problem while passing Object to stored procedure from C++ code

Hi,
I am facing memory leak problem while passing object to oracle stored procedure from C++ code.Here I am writing brief description of the code :
1) created objects in oracle with the help of "create or replace type as objects"
2) generated C++ classes corresponding to oracle objects with the help of OTT utility.
3) Instantiating classes in C++ code and assigning values.
4) calling oracle stored procedure and setting object in statement with the help of setObject function.
5) deleted objects.
this is all I am doing ,and getting memory leak , if you need the sample code then please write your e-mail id , so that I can attach files in reply.
TIA
Jagendra

just to correct my previous reply , adding delete statement
Hi,
I am using oracle 10.2.0.1 and compiling the code with Sun Studio 11, following is the brief dicription of my code :
1) create oracle object :
create or replace type TEST_OBJECT as object
( field1 number(10),
field2 number(10),
field3 number(10) )
2) create table :
create table TEST_TABLE (
f1 number(10),f2 number (10),f3 number (10))
3) create procedure :
CREATE OR REPLACE PROCEDURE testProc
data IN test_object)
IS
BEGIN
insert into TEST_TABLE( f1,f2,f3) values ( data.field1,data.field2,data.field3);
commit;
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// include OTT generate files here and other required header files
int main()
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int z =0;
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Connection* const pConn =
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const string sqlStmt("BEGIN testProc(:1) END;");
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pObj->field2 = y++;
pObj->field3 = z++;
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Memory increase problem on Solaris

We need your help in understanding and solving a memory problem in one of our products running on Soalris. The server memory keeps growing and there is a fear of a server crash.
We've run our product with Purify and libumem to identify memory leaks. Both of these products didn't report any leak. So, we are very much confident that there are no memory leaks in the product. Still the memory increase is seen on Unix systems. We've done extensive analysis on this subject and absorbed some key points regarding memory management in Unix.
1) Memory doesn't shrink on Unix systems. This is for the libc to retain the released memory and reuse it for further memory requirements.
2) Based on the memory requirements to our application there can be a stabilization point where in the application can serve all memory requests.
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We are performing some tests to observe memory stabilization over a period of time .
The memory bloat is following a pattern. Memory is increasing in chunks of (MB) 2,4,8,16,32,64,128,256,512,1024 MB pattern.
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Thanks MaximKartashev for your inputs.
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Memory leak problems with loading videos over and over.

I'm having memory leak problems with loading videos into a VideoPlayer aswell as FLVPlayback.
What the flash should do:
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- Interface that shows people around a 360 3D model with 5 different parts and at the stops it makes during the rotation you can click to zoom in on a location which plays a movie for that aswell.
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I cannot see why the Flash cannot garbage collect this and free up the memory. Mabye there is something I don't understand about the garbage collection in flash?
Here is some code from the video loading and playing:
var fVideo:VideoPlayer;
VideoCreate();
function VideoReady(pEvent:VideoEvent):void
trace("VideoReady()");
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fVideo.play();
function VideoLoad(pUrl:String):void
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VideoReady(null);
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VideoState.DISCONNECTED) fVideo.stop();
fVideo.close();
fVideo.load(fVideoFolder + pUrl);
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// error no url
function VideoCreate():void
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Hmm. It's in connection with Dropbox. Så apparantly you can only use one of the two at the same time if you want the programs integrated in Finder.

How can I avoid memory leak problem ?

I use Jdev 10.1.2 . I have a memory leak problem with ADF .
My application is very large . We have at least 30 application module , each application module contain many view object
and I have to support a lot of concurrent users .
as I know ADF stored data of view object in http session .
and http session live is quite long . when I use application for a while It raise Ouf of Memory error .
I am new for ADF.
I try to use clearCache() on view object when I don't use it any more .
and call resetState() when I don't use Application Module any more
I don't know much about behavior of clearCache() and resetState() .
I am not sure that It can avoid memory leak or not .
Do you have suggestion to avoid this problem ?

ADF does not store data in the HTTP session.
See Chapter 28 "Application Module State Management" in the ADF Developer's Guide for Forms/4GL Developers on the ADF Learning Center at http://download-uk.oracle.com/docs/html/B25947_01/toc.htm for more information.
See Chapter 29 "Understanding Application Module Pooling" to learn how you can tune the pooling parameters to control how many modules are used and how many modules "hang around" for what periods of time.

Is memory leak Problem Solved in this new FW 4.08...

Hi frnds,This is my very first post. Im happy to be a member of N Series Family by owing a brand New N73 ME One Week Before (July 2008). The phone really Fascinated me with its features, Since my Previous Phone was Nokia 6630. Now let me Come to my problem.
A "Memory Full. Close some application" Error is encountering me twice or thrice a day. if i knowledge is correct, its Low RAM error & i found my RAM in the range of 18-20MB just after startup & along with usage of applications & closing, it maintain a range b/w 4-8MB. In this time wen i open a picture in inbuilt PicEditor this Memory full Error occurs(And sometimes while zooming a picture in gallery also). Will updating to the new FW according to my product code 0543843 is 4.0812.4.2.1 will solve the Memory leak problem ? i have gone through all the post regarding the issues on latest firmware updates Good & Bad. So im a bit confused that shud i update or not. Coz i have only this memory problem. Everything else is fine.
Please help me.
N73 ME
v 4.0736.3.2.1
04-09-2007
RM-133
Code:0543843
INDIA

I have 4.0812.4.2.1 and I have the same problem..I think that in 4.0736 is best memory usage than other firmwares,but I can't downgrade firmware

Since the itunes 10.4.1 update I have memory leaks problems.

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App-V 5.0 memory leak problem & slow program launch

App-V 5 clients with most recent updates have a memory leak problem. Windows 7 64bit workstations with 8GB of memory will be useless within couple of days because memory has run out. Terminating App-V client process will free the memory, but system starts
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Another problem is that launching some large (locally cached) programs, for example SolidWorks, takes many minutes for a program to start. With 4.6 there wasn't any performance issues.
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I saw the exact same issue with slow load times and 50% utilization by AppVClient.exe during that time.
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AppV 5 - Measuring RegistryStaging load times
The issue, specifically, is the amount of time the application takes to stage the registry is what causes the slow load and 50% CPU utilization. I've written a script that stages the registry on your behalf that we use on server startup, after all
the packages are loaded.
Original Thread on MS forums:
https://social.technet.microsoft.com/Forums/en-US/44944302-d8f3-4df1-b104-9c63345f88e0/poor-first-launch-performance-with-appv-5?forum=mdopappv

Memory leak problem, help!

There is memory leak problem when select multi-rows table. Suppose that I don't make mistake when coding. Have U ever use Borland Delphi? In TQuery, there a field called UniDirectional when set it to True, selected rows aren't cached in Memory. So that There is must be a parameter in OCI does like UniDirectional does. There is any one know about it? reply this question or mail me directly at [email protected]
Thank in advance.

There is memory leak problem when select multi-rows table. Suppose that I don't make mistake when coding. Have U ever use Borland Delphi? In TQuery, there a field called UniDirectional when set it to True, selected rows aren't cached in Memory. So that There is must be a parameter in OCI does like UniDirectional does. There is any one know about it? reply this question or mail me directly at [email protected]
Thank in advance.

Labview for Linux. Datasocket problem

Hello everybody,
I have a problem using datasocket connections in Labview for Linux. The problem is the starting of the connection, it's too slow. It takes around 3 or 4 seconds each connection. We are working with a lot of connections (one per Tag in a DSC code). If we test the same vi in Windows, it takes one or two seconds to open 30 connections.
What can we do?
Thanks!!

Hello again apmonte,
I attempted to recreate this behavior on a Linux machine here running a Kernel
2.6 build, but could not replicate the issue (even when I gave a file/directory
777 permissions). This could, however, be related to some issues with the
way Linux updated its file searching and directory listing functions with
Kernel 2.6. I believe that the LabVIEW 7.1.1 maintenance release/patch
fixed some of these issues. You might want to install that patch, and mass
compile the LabVIEW directory (the LabVIEW mass compile command from the
"Tools->Advanced" menu). You can find links to the patch and
a little information on it here:
http://digital.ni.com/public.nsf/websearch/AAB2D84EF29F90DA86256F4D00776E5A?OpenDocument.
Please let me know if this does not resolve this issue.
Travis
Travis M
LabVIEW R&D
National Instruments

Linux memory ballooning problem

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