Questions tagged [memory]
RAM (random access memory), either RAM hardware or software and operating system use of RAM.
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questions with no upvoted or accepted answers
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Windows 10: Poor Performance for Playing Game & Screen Capture
I hope this is the best StackExchange site to ask questions about optimizing system performance. If not, I apologize, & please direct me to the appropriate site.
My current system is one of the ...
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Firefox garbage collection and RAM/memory cleanup
Firefox has a feature to do garbage collection and memory cleanup: On the about:memory page, Free memory > GC/CC/Minimize memory usage. Is it possible to trigger them externally, e.g. via a ...
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Why do RAMMAP's total RAM usage of processes/mapped-file not even remotely add up to the total Memory usage in User Counts?
RamMap: User Counts
Processes
File summary
In RamMap, the memory usage in first image is right.
However, when I tried to add up all the Active memory, and the 2nd image and 3rd image doesn't match ...
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Watch Dogs 1 runs good in windows 7 at low settings but is unplayable in windows 10
Watch Dogs used to run fine at low settings on a windows 7 pc but on a windows 10 pc it does not give me even 20 fps. Win 7 gave me at least 20-25 fps.
My specs:-
Intel I3 5005u @ 2GHZ
4 ...
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"The memory could not be written" error in virtualbox on Windows 10
so I'm running Ubuntu 18.04 LTS on VirtualBox and I have windows 10 1903 running as host, and this error started happening since I installed the VM, I'll be working normally and all things going well, ...
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Why does Windows allow you to read and write another process memory?
I found that many debuggers (like x64dbg) or hex viewers (HxD) allow you to access and modify memory of another process. It works without any asking for permission.
I even wrote a simple program that ...
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systemctl hibernate gives error not enough swap space for hibernation although the swap space in use is four times the RAM size
I already know that in Linux systems systemctl hibernate will not allow hibernation if there is not enough swap space for hibernation. But in my case the swap space was set to 32 GiB while the RAM ...
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What is the history behind `ulimit -m` / RLIMIT_RSS not working?
According to man setrlimit (which is what man ulimit directs me to),
RLIMIT_RSS
Specifies the limit (in bytes) of the process's resident set (the number of virtual pages resident in RAM). ...
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How do I view "sub process" specific memory info in Task Manager (Windows 10)
On some machines, I am able to view the memory consumption of individual "sub processes" of an app in Task manager, like so with Google Chrome:
On other machines, I do not get "sub process" specific ...
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linux kernel virtual space , lowmem , highmem , RAM size
I need some help understanding the exact relations between the linux kernel virtual space , specifically LOWMEM area , and the available RAM size as seen by the kernel.
after reading this article: ...
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Immediately Allocate All RAM to Virtual Machine at Power-On
Is there a setting that I can manually add to a VMWare .vmx file to force it to allocate all of the RAM assigned to a VM immediately when the VM is first powered on?
I know it is usually best to let ...
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Missing memory in linux ubuntu 16.04 system
I've been struggling with this problem for quite some time and am completely out of ideas. I have 8GB memory installed, but ubuntu sees only 3.2 GB.
Hardware:
Mother Board Information
Intel ...
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603
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Showing real memory used on Windows 10
I bought a lenovo ideapad 330s laptop. It has 4GB of ram. When I turn on the computer after I bought it, I could play call of dutty black-ops 2. It stopped working then I gave it to the seller to fix ...
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How do I stop my linux desktop from freezing when I run out of RAM?
I'm running Ubuntu 18.04 with 16GB of RAM. Under normal use, my system uses about 4GB of RAM, and 0 swap (1GB configured). Every couple of days, my Firefox hits a bug and starts leaking memory ...
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Does a Page Mode SRAM similar to Page Mode DRAM exist?
Page Mode DRAM is essentially doing multiple column accesses per a single row access. This seems pretty logical to me, but I couldn't find anything similar written about SRAM. Does standard SRAM ...
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Not able to max out RAM in Dell inspiron 5370
The laptop came with a single DDR4 RAM (2400 MHz)module of 8 GB installed in slot 1. The other slot was empty. Lets call these slots S1 and S2 respectively.
I bought two identical 2400 MHz DDR4 ...
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Memory mapped register, how it actually works
When the OS defines a memory map, e.g. APIC is mapped to a certain address, when a program issues assembly STA address value, how is it insured that the DDR controller rejects this address and how ...
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slab memory is too large
I'm running the server for test WAS in container. Server has 40 cpu cores and 96GB Memoy. I ran WAS in containers several days and find out too large slab memory size. So stopped all WAS. But Slab isn'...
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How to setup a cgconfig.conf file to limit the cpu for all processes by a username to 10% of CPU?
For about 5 years now I have been wanting to limit the cpu of a user in CentOS(6) - without using cloudlinux.
So far, still have not been able to get an answer to this. cgroups seems to be a solution....
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RAM not showing
I've had this problem for over a month now, and I keep trying solutions posted by people on every site I've found, but I still can not figure out what is "using" my RAM.
I have 24GB RAM installed, ...
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Free -m and free -k display same quantities
When running the commands free -m and free -k, they display the same quantity of memory. Furthermore, free --mega and free --kilo display the expected quantities (the correct ones).
What might be ...
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Windows 7 - Explorer.exe constantly building up memory but not releasing it
I have been trying to figure out the best way to solve this issue with no luck. We work with a lot of video files, and they are encoded into a folder to be accessed later. I clear out this folder on ...
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How to dump memory of virtual machine running in linux?
I have a windows virtual machine installed using qemu. I want to know how can I dump the entire ram memory of guest system from host system like bin2dmp do in windows. I have read here that it is ...
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Java application response is slow if Linux cache consumes entire system free memory
I am running two Java-based application on my server with 32GB of RAM,16 core CPU. Apart from this I just have MySQL community server 5.6.16. The Java applications are assigned 10 GB of overall memory....
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Backup and restore RAM
Is it possible to backup and restore RAM, either as a whole or on a per-application basis?
It would need to backup this to disk and have the option to restore this at a later date.
In essence, such ...
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What is the meaning of 11-B2 in RAM specification (Samsung 2GB 1Rx8 PC3-10600S-9-10-B2)
Please read these details first
I'm planning to upgrade my Laptop RAM.
This RAM is currently in my Laptop: Nanya 2GB 1Rx8 PC3 10600S-9-10-B2 1333 mhz
The RAM I'm planning to buy: Samsung 2GB 1Rx8 ...
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On Mac OS X, why is firefox allocating memory, and not releasing it when its no longer needed?
I see this in other browsers, too, but I don't like those so I don't care. Why does Firefox's memory usage (as shown in the Activity Monitor under "Memory" in the "Memory" tab) keep growing, even ...
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How do channels and rank interact if using pair-matched RDIMMs?
So, my Supermicro X10 R3 board has a single CPU with 8 DDR4 DIMM slots. When fully loaded it has 2 DIMM pairs in each channel x 4 channels (I think). I always use only matched pairs of DIMMs. The ...
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VirtualBox Ubuntu lags at 4K resolution on powerful PC
I'm running the latest Ubuntu on Oracle VirtualBox. When I keep the window at default small size, it runs almost as smoothly as the Windows 10 host. However, when I maximize the window, the lag ...
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Run out of virtual memory after added to triple physical RAM and change SQL Server memory option?
Recently, we added some physical RAM to our server which running SQL Server 2008 R2 instance, the total memory was changed from 64GB to 192GB.
And we tuned the memory option of SQL Server by changing ...
2
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463
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Hardware Reserved 4GB (DIMM Slot 1B)
So recently my task manager started showing that only 12GB of my 16GB DDR3 RAM in Dual Channel was available stating "Hardware Reserved 4.0 GB"
These are the steps I've currently taken to attempt to ...
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743
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Does clamd scan memory during startup and/or restart?
I have an Ubuntu 14.04 using ClamAV to scan some files manually as part of some software. I have clamd running all the time and am using clamdscan to let it scan my files. Scanning the files is pretty ...
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Memory usage growing when using ffmpeg. Is this expected?
I am using ffmpeg record a video from a webcam, but the memory usage is very high, and keeps increasing with video length.
For example, I use an embedded device with 64 MB of RAM, and when I ...
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701
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Why can't Linux kernel allocate order:0 memory when memory is highly fragmented?
When troubleshooting a recent kernel panic, there was a page allocation failure asking for an order:0 page. The memory is highly fragmented, and shows only order:0 memory free (422*4kb actually). Why ...
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Automatically move data from swap to ram once enough memory is free
Yes I know there are already questions that ask the same thing. But none of the answers actually answer the question.
One common answer is "you don't need to be concerned aboput it, because swap ...
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Keep Getting memory full Windows 8.1
I have reset my laptop to factory settings a couple of times since 2013
trying to make computer faster.
This last time I did because memory keeps saying full and shutting me down.
I have taken all ...
2
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780
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How to determine maximum total rank for a motherboard (Asus P5G41-M SI)
I'm trying to max out my motherboard's memory by installing 4 x 2GB identical memory sticks. It works fine with two sticks, but won't post when I add the other two. (I tried swapping the sticks around ...
2
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1
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551
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Out Of Memory when plenty available
My computer often runs out of memory, even when there is a lot of memory free as shown by the Task Manager:
(Purely for reference, the labels in English:
)
I have no clue how to find out what is ...
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Process Explorer (sysinternals), save lines/graphs as txt?
I'm using the "Process Explorer" from sysinternals to monitor the memory consumption of a specific process over time. This is quite helpful for the first step.
For I a deeper analysis I would like to ...
2
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703
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No POST/boot with RAM installed
This PC I am troubleshooting was built in 2009/10, with some HDD&SSD swaps since then. everything else still from back then.
A month ago it hang up and had to be shut off manually. Didn't boot ...
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How to reduce unmovable and and unevictable pages in linux
We have BBB based custom board and it has 256MB RAM and 4GB of eMMC,
We are seeing fragmentation issue on it.
And as a part of analysis I wanted understand, what are unmovable( from /proc/pagetypeinfo)...
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Changing the shared memory size of a container instance in Amazon ECS
As much as I've found container instances run with a default 64MB of shared memory (shm) and it is possible to change that amount using the --shm-size argument with the docker run command.
Now I want ...
2
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1
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356
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Diagnosing strange lag/catchup or freezing behaviors on my new Laptop
I've been noticing strange freezes, lags, and crashes, although not too often. Here's my setup:
Dell inspiron i7559, as purchased:
Intel i7 6700HQ 2.6 GHz processor (officially goes up past 3 on ...
2
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270
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My laptop doesn't boot when I add a new RAM
Here's the thing :
I recently cleaned my laptop completely. And during my cleaning, I disassembled my CPU and then put it back (I wanted to see how it worked). Then I put everything back in (...
2
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1
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My new motherboard Asus Z10PE-D16 WS doesn't start
I have purchased the following components :
Asus Z10PE-D16 WS
2 CPU : Intel Xeon E5-2658 v3
2 Fans : Noctua NH-U12S
Power Supply : EVGA SuperNOVA 1300W GOLD
Ram : Kingston
KVR21R15D4K4/64 RAM 64Go ...
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How can I expand Bluestacks memory in Windows 10?
My computer recently updated to Windows 10.
Since then, Bluestacks (which I use mainly to access Whatsapp) has a very limited amount of space, and when I try to download pictures/videos it tells me ...
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When I run this process, it pushes all others out of RAM. Is there any way to prevent this?
I like to leave my browser, email, and other applications running while I'm gaming. Now that I'm running a 64-bit version of Windows with 16 GB of RAM, I can do this easily, and even switch between a ...
2
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Memory Update for an old laptop
I have an old HP Pavilion dv6 Series (model dv6-1140ej).
It has 2GB of RAM in 2 sticks. According to the specs, it supports 400Mhz DDR2 memory.
I would like to increase the amount of RAM I have.
...
2
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648
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Is it possible to limit the memory a process uses from command line?
Is it possible to limit the amount of memory a process consumes from the command line and eventually automatically kill the process if it tries to overpass this limit?
Something like
MaxRam -4GB ./...
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Interpreting results of windows memory diagnostics
I've been having some troubles with my computer lately, and tonight ran the windows memory diagnostic. I ran the extended test. It completed not showing any errors during the run, however I don't ...