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1answer
32 views

Change memory size units in Windows 10

Just as the title implies, how can you change the unit sizes displayed in Windows? Instead of displaying files like this: +--------+---------------+ | Name | Size | ...
0
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1answer
36 views

Is there a way to reserve some RAM for a process to prevent it from becoming unresponsive?

I would like to have a text terminal remain responsive, even if any rogue application tries to allocate the whole RAM. The terminal's child processes should be allowed to use this reserved RAM as ...
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0answers
34 views

page size in an OS with segmented demand paging

Exam Question : Assume that we're using an operating system which uses segmented demand paging with N segments and the average size of each segment is S and each entry in the page table is e bytes and ...
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0answers
10 views

Is queue a storage allocation area in memory?

We mainly study about heap , stack data structures which act as storage allocation area in memory , so is it that queue is also a storage allocation area in memory ,according to me PCB's are made in ...
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0answers
23 views

how does a process know it's pages have been swapped out?

Let's assume I have several processes running, a1 and a2. a2 takes so much space that physical pages belonging to a1 start to get swapped out. a1's page table has to be modified to reflect this. how a ...
0
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1answer
64 views

Laptop CPU and RAM usage

For the past two days my laptop has been using way too much RAM and CPU even when I am not using my computer and/or have 1 window open. Here is a picture of my performance tab: Any idea why I am ...
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1answer
40 views

What does the content of the page table look like after a page has been swapped out to the disk?

From what I understand, the page table maps virtual addresses to physical addresses. But what if a page has been swapped out to the disk? Wouldn't the location of the data take more bits to write ...
0
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2answers
69 views

The instruction at X referenced memory at Y. The memory could not be written

TFG (Total Files Gaurd) is a software that used in offices to protect client's data from thief by malware and users. It encrypt some types of files(Network's Admin selects which type he/she want to be ...
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0answers
81 views

How to disable caching in windows server 2012 R2?

How to disable caching in windows server 2012 R2 ? Any way to set it to a minimal value is also fine. Also disabling caching for a particular application will also work as only 1 application is run ...
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2answers
47 views

Merge or extend drives in windows 7

In the below screenshot, system drive (C:) is almost full. There is also free disk. The merge or extend option is not available for system drive. For free space, all options are disabled. ...
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0answers
224 views

After upgrading to Windows 10 suddenly low memory issues

I have 8GB of ram and a decent computer. After upgrading to Windows 10, I keep getting messages saying I need to close programs and that I am low on memory. Then, right after, my screen will go black ...
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0answers
74 views

High RAM usage/software shutdown at 75%?

How come when my memory is at around 75% I get popups saying that my programs should be shut down, and sometimes they even fail to start when it's at around 80% (even though they would be using 2-5% ...
0
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1answer
24 views

Processors and virtual/physical addresses

In nutshell, as I understand memory management, processor produces virtual addresses. These addresses are translated to corresponding physical addresses using per-process address table by MMU (with ...
0
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2answers
565 views

Which is better at memory management: Windows 10 or Windows 8.1? [closed]

I ordered an Acer Aspire Switch 11 Touchscreen Windows 8.1 PC with a Core i3, but it only comes with 4GB of RAM. I want the 4GB to work as well as possible, so my question is should I upgrade to ...
0
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1answer
106 views

What is the benefit of increasing on-board graphics card allocated memory from BIOS?

In my BIOS settings I can set my Intel graphics card's memory from the default 256 MB to 512 MB. My laptop has a dedicated graphics card as well. Should I? What would I gain? Are there any downsides? ...
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1answer
344 views

Having several BSOD with different messages in new computer

I've been having several BSOD during the last month or so. I though that they were for some kind of wrong driver or something software related, but tried to update everything to the last version with ...
0
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1answer
56 views

How does Windows deal with process memory or resource exhaustion?

The other day I was working on a Windows 7 32-bit PC, with a few applications running including Firefox. Over time I kept opening new tabs in Firefox until, suddenly, the Firefox window started ...
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0answers
68 views

Why is my private memory usage so low compared to commit memory?

After 120 hours of stable uptime on a Windows 7 computer (with hibernates instead of restarts between days), Windows has done something strange: programs consume large amounts of memory as usual, but ...
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3answers
66 views

How many processes are in memory at a given time [closed]

Is there only one process in memory at a time and context switches constantly move processes back and forth between DRAM to disk? Or are multiple processes kept in DRAM at the same time, and context ...
0
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0answers
24 views

MacOS X: how can I see which application currently have “inactive” memory?

I'm working on MacOS X 10.6 and as my old MacBook only has 3 GB of RAM, I'm currently struggling having enough free RAM to keep it usable. I'm often looking at the Activity Monitor and if I see that ...
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0answers
24 views

Data Assignation Tables vs. actual HDD location values?

This is my first post to any of the 136 SE website's and I just wanted to say how much I value the community and the information. I Apologize ahead of time if this is a duplicate. I spent a fair ...
0
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1answer
124 views

Application to Automatically Free Modified Memory

Is there a Windows application or script that can free modified memory belonging to a given application. I have tried Flush File Cache which is great as a big ol' hammer to clean out all modified ...
1
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2answers
197 views

Where is the rest of my MacBook’s hard disk space?

I have a MacBook Pro with a 250GB hard drive. Right now I'm left with only 4GB free memory. I've selected the root folder in Finder (my computer name) and hit CMD+A and ALT+CMD+I to get the size of ...
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0answers
105 views

How do I find lower the amount of or find what is using committed memory?

I was recently looking at this question: Why is the total memory usage reported by Windows Task Manager much higher than the sum of all processes' memory usage? when my task manager was doing just ...
1
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2answers
92 views

OS freeze when OS starts to swap memory

Background: I have 16 GB of memory in my machine. When my machine uses already 15 GB of memory and my application allocates another chunk of 2 GB memory I run out of physical memory and swapping ...
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2answers
2k views

In Windows 8.1, is there a way ensure a process is not the first to get killed when running out of RAM?

I wrote a .NET 4.5 application that buffers colour, infrared, and depth data from a Kinect v2, performs some processing on it, and then dumps it to disk, in uncompressed form; the .NET application ...
1
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1answer
23 views

What are these folders for? [duplicate]

I have dozens of folders like this in my C:\ drive, I'm not sure what exactly they do (I think they may be related to Windows 7 updates) and I'm running very low on space so i'd like to be able to ...
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2answers
350 views

RAM Usage is insane running a game [closed]

My system is Windows 7 Home Premium, i5-2320 proc, 8GB DDR3 1333Mhz RAM, Z77X-UD5H mobo, I have two HDDs, one is a 1TB and the other a small 288GB (250gb). Also, a new GPU, the R9 285. Recently I’ve ...
1
vote
1answer
274 views

DDR4 Module/Bank Management

I'm a bit confused about how DDR4 works in detail. I'm not very familiar with DDR details or Memory-Controller details. So far DDR4 is advertised everywhere that the transferrates of DDR4 accumulate ...
0
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2answers
135 views

What is an expected behavior when Windows runs out of memory?

When my machine with Windows 8.1 runs out of memory (RAM), Windows displays a message telling that memory is low and that I invites me to terminate an offending application. If I agree, the ...
0
votes
1answer
426 views

Physical memory used space by process in taskmagare

I sum the value of used space memory by each process (all of them) that is showing in TaskManager and I understand that the sum of them is not really 68% of my memory card that is shown in the below! ...
0
votes
1answer
59 views

Why memory can't be collected cleanly after a process terminats?

After long time running, computers always become slow. Rebooting generally make them faster. But how does this happen? Initally I thought this might be related to memory usage. But recently I learned ...
1
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0answers
408 views

Set maximum memory per process in Windows 8.1

I am using a Toshiba laptop with 6.0 GB of memory running Windows 8.1. I've had it freeze up a couple of times due to a process trying to use more memory than the computer has available. I've been ...
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0answers
1k views

Werfault.exe Error Windows 8.1

I am using Windows 8.1 and two days ago I was playing an online game when suddenly the laptop froze. WerFault.exe-Application Error The Instruction at 0x747193a8 referenced memory at 0x008d23a0.The ...
4
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1answer
309 views

Sorted tree view in htop or alternative?

I am running a Debian flavor of Linux, and I use htop to keep track of memory usage, since it is more detailed than top. I can't seem to get it to sort by memory and display process trees at the same ...
1
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1answer
1k views

Why does not Windows statically allocate RAM for Intel Integrated Graphics?

I wanted to know how much RAM is being utilized. It said that out of the 12 GB installed, 7 gb was allocated overall and it showed me the split up for each processes. I could not find the RAM ...
2
votes
1answer
159 views

Windows 2008R2 raising low memory events when 50GB of RAM is available

Observed Windows 2008 R2 is generating KernelObjects\LowMemoryCondition events when there is 50GB of RAM available and all processes are using just around 18GB. Not able to find the reason why ...
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0answers
30 views

Prevent a closed source chosen process from swapping on Windows [duplicate]

When I run VirtualBox If I don't use VirtualBox for some time and then I come back to using it the virtual machine runs very slowly, obliviously all subsequent operation go enough fast. How I can ...
3
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2answers
3k views

Where are Page tables stored

My question is "where are the page tables stored: in physical memory (RAM) or as some data structure in User space". PS: What I have understood so far: A process memory layout has few segments ( ...
2
votes
2answers
655 views

Can I use Nand flash as a swap memory in Embedded Linux?

I have 128 MB of Ram in one of my products, which was sufficient when we released first version of the product. But now we added some extra features in it, So this much Ram may cause a problem of OOM. ...
0
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0answers
89 views

ReadyBoost : How a Software Component Helps Boost the System Performance by Exploiting Flash Memory as a Cache?

One of the nice feature of windows 7 for low memory system is ReadyBoost, a software component that uses flash memory as a cache to actually speed up the the performance(Ref-Wikipedia). But If we ...
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0answers
339 views

99% used memory, but 70% of unused allocated memory and 97% swap available: what can I do?

In a server with 48GB of RAM, when I run top, I see that less than 500 MB are free (1%), whereas when I sum up the column of % of memory used by each process, it is around 30%. Since only the 2.7% of ...
0
votes
1answer
106 views

Is CPU cache (L1 - Ln) equal to TLB

If we are talking about CPU cache. Is Ln synonym for saying 'TLB (translation lookaside buffer) of type Ln' or does Ln include also somethin else than just TLB?
2
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2answers
430 views

Sources of Linux memory usage not in /proc/meminfo

I’m running a Linux server that shows weird patterns in memory usage that I’m trying to investigate. During normal operation, around 200MB of memory are used for applications according to munin, but ...
9
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1answer
2k views

Which files are cached by linux?

I understand that linux uses unused RAM to keep some files cached. But I wonder, which files it actually caches! If you take a look at free : Gesamt Belegt Frei Gemeinsam Puffer Cached Speicher: ...
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1answer
74 views

memory mapping to physical ram (hardware)

When the memory management unit translates a logical address to a physical address using the translation table, how does the physical address get mapped to that address in ram. What I mean to say, is ...
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0answers
126 views

Windows 8.1 Waiting Lock Pool Tag FLwl - High Memory Usage

I am running Windows 8.1 with 8gb of ram and have lately been experiencing crashing issues with windows explorer when RAM utilization is over ~73%. I have run poolmon.exe to see if there are any ...
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0answers
353 views

PCI Express BAR memory mapping basic understanding

I am trying to understand how PCI Express works so i can write a windows driver that can read and write to a custom PCI Express device with no on-board memory. I understand that the Base Address ...
0
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1answer
811 views

Windows - How can I flush modified memory?

This is a follow up on my previous question, here: Windows modified memory without a pagefile - Super User I have no pagefile and a lot of modified memory according to resource monitor (Win 7 x64). ...
0
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1answer
240 views

Windows modified memory without a pagefile

How does Windows' modified memory work without a pagefile? The physical memory is modified and then...? I'm running Windows 7 with 16GB of RAM and no pagefile. I have about 2.5GB of modified memory, ...