Questions tagged [paging]
Paging is a memory management method. It is also often described as swapping.
53
questions
1
vote
2answers
226 views
What is my recommended total paging file size?
I don t know how to set my paging file size. While google says the initial should be 1.5 of my RAM and maximum should be double, Windows says my recommended "total paging size for all drives" is 1939 ...
0
votes
1answer
33 views
Tweak Windows to not retry forever when reading a failing HDD sector
How to configure Windows to perform better with a failing HDD?
When a program tries to read a file from a failing HDD sector, it eventually receives The request could not be performed because of an I/...
0
votes
1answer
23 views
Is there a RAM utilization percentage where performance degredations like page faults start to occur significantly more often?
I remember years ago reading a textbook that stated significantly high page faults and other RAM-related issues can occur with constant utilization rates >= X%; it didn't necessary start at just 100%.
...
0
votes
1answer
34 views
Is it possible to use a partition for a paging file across multiple Unix distros and a Windows partition?
I have a Unix distro that has its own paging file, but I want to switch over to a partition so that it can be utilized by all three systems.
1
vote
1answer
44 views
Why our server with centOS i686 showing 14 GB usable RAM
We have CentOS server 6 i686 (installed by previous employee) on blade server which is having 32GB RAM (4GB x 8 slots).
The usable RAM is 14GB.
My question is why it is showing 14GB instead of 4GB,...
0
votes
2answers
194 views
Splitting serial port output
I have a nurse call system that has output that connects to a paging transmitter. Works good right now. We put in a serial "Y" splitter so that we could receive the same data, but to another computer ...
2
votes
1answer
284 views
Paging file and swap partition on a Ubuntu/Windows 7 dual boot
I'm planning hard drive partitions for my new laptop and I had a curious idea:
Can the same partition be used to house both the paging file (windows) and the swap space (linux)?
The reasoning ...
0
votes
0answers
9 views
OS - Parallel between heap/stack and pages
I'm studying for an exam on Operating Systems. I am working on the chapter concerning virtual memory.
I'm getting really confused making a parallel between this very common schema describing a ...
1
vote
1answer
102 views
Why would hovering over the Windows taskbar unfreeze my applications?
I purchased a Thinkpad 570, downgrading RAM to 4 GB, and from SSD to HDD, so that I could buy my own components cheaper than Lenovo was charging for upgrades.
While waiting for parts, I started using ...
1
vote
0answers
4k views
Why has reducing the size of the page file made my Windows work so smoothly?
I have a Lenovo W500s Notebook with 16GB RAM, a 250GB SSD and Windows 10 Pro. Until recently it was performing really, really bad. I couldn't believe that this machine runs so bad so I was googling ...
0
votes
1answer
692 views
After the latest Win8.1x64 Updates, my system got stuck restarting or shutting down..
When I installed the last Windows update, all seemed fine except it got stuck doing the restart. I waited about 5 minutes then used the power button.
Startup was normal.
But then when I told it ...
0
votes
1answer
1k views
Memory Management - Virtual To Physical Address Translation
Please I need the correct way to convert Logical (Virtual) Address to Physical Address , i have the following Question :
Given the following Page Table :
Knowing that the virtual pages and ...
1
vote
1answer
755 views
Why is paging used?
Paging is a form of primary memory management, said to be a way to store data non-contiguously.
It's achieved by setting a chunk, or page, size, so pages can be allocated in different areas. Would ...
0
votes
0answers
197 views
Windows 7 Excessive Memory Usage & Paging
New user here, signed up because I saw similar posts through a Google search.
I have Windows 7 x64 w/8 Gigs of memory installed. The typical memory usage that I see is 2 gigs. That's what I would ...
-1
votes
1answer
182 views
How to disable the system drive paging file completely and still get dumps
Windows 7 Ultimate
I've been using the minimum paging file size on my system drive needed for mini dumps, but I have found that some things, like Hulu and YouTube caching still use it ALOT and it ...
0
votes
1answer
97 views
How much of logical memory is actually allocated for each process on disk?
Suppose the processor is 32 bit. So each process running on that processor gets 2^32 bits of logical memory.
If the system is having n processes, is n*2^32 bits allocated on disk? where is it ...
2
votes
3answers
1k views
How to detect thrashing on an SSD-equipped Windows system?
With spinning hard disks it was relatively common to hear disk thrashing when some process, Windows or otherwise, was making a bad fist of things.
Quite often this was an indicator that a process was ...
0
votes
1answer
45 views
Windows XP 32-bit page fault (other OSes unaffected)
The cause of this is unknown, as I performed a proper shutdown at the last time before this has occurred. I have attempted to boot into Safe Mode and twice used the Last known good configuration ...
2
votes
3answers
78 views
Conflicting defintions of virtual memory
It seems that there are two definitions of virtual memory, and I'm wondering do they both describe the same thing or is it that two similar but distinct concepts are called the same thing?
...
2
votes
1answer
2k views
Is it possible to manually send programs to virtual memory in windows?
If you have many open programs and your machine is going too high on memory/cpu utilization you might want to close a program without loosing its state (sending it to virtual memory) and then resume ...
1
vote
1answer
416 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 ...
-1
votes
1answer
904 views
minimize windows swap file usage
I know completely disabling the swapfile is not a good idea, so i'd like just to minimize its usage, so that the memory pages will be swapped only when the physical memory is completely full.
I know ...
0
votes
3answers
106 views
does switching my paging file in a non system partition will slow my PC?
I have running out of space on Drive c: because of the windows 7 updates and other software. so I decided to switch my paging file from drive c: to drive D: to free some space temporally until I can ...
1
vote
1answer
587 views
Paging file reset - Windows 7
We know that the paging file will be reset every restart/shutdown.
Is there anyway to reset the paging file without restart or shutdown?
And does it really matter if I left the paging file in a ...
1
vote
1answer
61 views
Is it possible to perform Windows boot-time actions before paging is enabled?
I would like to perform some actions at Windows boot time before paging is enabled. I know I can run startup scripts with Task Scheduler or with group policy startup scripts.
My question is whether ...
3
votes
1answer
111 views
Pagefile usage fluctuating with zero paging I/O
I fired up the Performance Monitor and noticed that the % Usage on the 4GB pagefile fluctuates between 4-10% while the computer is sitting "idle." (I calculate that to be approx. ~160-400MB.) Memory ...
0
votes
1answer
210 views
Windows NT Paging Algorithms
I've been trying to figure out how the paging works inside Windows operating systems. I found a blog post from Mark Russovich back in 1998 about such memory management. He discusses the "Least ...
0
votes
1answer
1k views
Cannot suppress page numbers in MS Word 2010
In the question Setting page numbering on Word the questioner wants page numbers to show up only on the 5th page onwards, beginning with page number 1. The accepted answer shows how to do this, ...
1
vote
3answers
2k views
Can a program break a cpu and/or gpu?
For the record I have posted this question on other forums and nobody has a clue. I have an Alienware 14 (Intel i7 4700MQ and GeForce GTX 765M). A while ago I ran an emulated version of the original ...
0
votes
0answers
836 views
Windows 7 Paging file apparently not being used
I'm running Windows 7 Home Premium 32bit on a mobo with 24GB RAM.
Of those 24GB, 20GB are assigned as a RAMDISK via ASRock XFastRAM. This RAMDISK has the drive letter X assigned to it.
On X:\ I'm ...
2
votes
1answer
1k views
How to know the size of page frame used by my OS?
How to know the size of page frame used by my OS ?
This could be useful for some optimizations when I code. (Allocate big buffer that fit in a page frame for example).
Page frame is determined by ...
0
votes
1answer
476 views
Is the RAM page size always the same of swap disk page size? [closed]
Could they be different in some case? How is RAM page size determined/changed?
0
votes
3answers
843 views
Why Windows XP SP3 still uses the pagefile, even if it's disabled?
I've an old computer which is running Windows XP. Some days ago I formatted it and reinstalled Windows XP with SP3 (the previous one was SP1 I think), and i noticed that in the performance tab of the ...
0
votes
1answer
4k views
How to calculate the size of the page table from this data?
A computer uses 46–bit virtual address, 32–bit physical address, and a three–level page table organization.
The page table base register stores the base address of the first–level table, which ...
23
votes
4answers
6k views
Why does Linux use a swap partition when the kernel supports paging/virtual memory anyway?
As far as I understand paging and swapping, they're completely different concepts. While swapping means, that a process is either completely in physical memory or on the hard drive, with paging parts ...
3
votes
1answer
5k views
Do virtual machines need a paging file?
I have read this, which has confused me a little:
Virtual Machines require physical not virtual memory so you do not need to count the memory allocated to your VM's when calculating your paging ...
2
votes
0answers
1k views
Random freezing caused by khugepaged?
I have a fairly beefy Arch Linux computer, kernel 3.7.7-1-ARCH. However, recently it's been having random freeze ups. Never common, but it'd freeze for a good 15 seconds where no program is responsive....
4
votes
1answer
26k views
Swaping, Paging, Segmentation, and Virtual memory on x86 PM architecture
Well, this may seem a common or already asked question but after searching various books, online tutorials and even here on SU, I am still puzzled at how these four beasts work together on a x86 ...
2
votes
0answers
86 views
How big is PATA throughput on original Macbook Air (Rev A)?
I still have one of the original Macbook Air's that I use sometimes. It's got 2Gb of RAM and whenever it's filling up and starts paging, the whole things becomes barely responsive.
I've heard SSD's ...
7
votes
1answer
6k views
VMWare Player slows down computer after exit
After exiting VMWare player, my main OS (Windows 7) lags and slows down tremendously. The HDD is seeking excessively. I see that the issue is that it's swapping tons of pages rapidly. This lasts ...
0
votes
1answer
3k views
Windows 7 Hard fault / Page fault and memory bottleneck
Windows 7 resmon displays 0 hard faults.
But perfmon shows pagefault around 60 and perfmon /report tells me my system swaps actively.
AFAIK not every page fault is hard fault: page could be stored ...
0
votes
0answers
623 views
PC hardware (HDD, BIOS / motherboard) acting weird
This is going to be long story. I'm trying to figure out what the hardware problem with my desktop is.
It started with my Windows XP's very slow response and later even a BSOD, when shutting down. ...
1
vote
2answers
930 views
Is virtual memory related to virtual address space of a process?
I have understood that Paging is a memory management technique which allows computer to bring data from secondary storage to main memory for executing process. It gives an impression to process that ...
1
vote
0answers
95 views
Is there Special Paging mode in XP for high memory usage scenarios
I have observed that once my PC (WinXP-x86) has a Peak Commit Charge exceeding the Total Physical Memory (as reported by Task Manager) that my PC grinds to a halt.
Obviously paging is going to be the ...
1
vote
1answer
618 views
Disk cache: Preventing one process from grinding my machine to a halt?
I'm trying to run a very long and slow (but important) background process on my computer. It took all weekend and is still running.
The problem is that this process scans dozens of GBs of disk files (...
1
vote
2answers
917 views
How do you keep a specific process out of virtual memory (aka paging)?
In windows, my guest VM keeps getting put into virtual memory... and then the VM freezes... because the VM is not able to respond at all. I even wait like 5 minutes and no response from the VM.
How ...
0
votes
2answers
4k views
How can you limit the amount of memory an application in Windows 7 x64 can use? In particular X3 Terran Conflict
I am running the latest version of X3 Terran Conflict (3.1) and after about 30 min - 1 hour it's memory usage goes well above 2 GB. I only have 4 GB of ram, running Windows 7 64 bit. As a result of ...
6
votes
4answers
4k views
Is DIMM to USB convertor available?
I have a 512MiB DDR2 SODIMM SDRAM lying about, after upgrading my brother's notebook's to 2GiB. Seeing that it is not being used, and it hardly has any value on the market, I'd love it if I can use it ...
0
votes
1answer
166 views
Virtual memory paging
If the page size is 512 bytes and the paging table has 64 elements, each 11 bit. Howmany bits is the physical address then? - What does '11 bit' mean in this case? Is it the number of the frame (2^11) ...
4
votes
1answer
4k views
windows 7 slow (paging a lot) after closing VMware
I am using Windows 7 with 4GB of memory, and am running VMWare with 2GB of memory.
Every time I shutdown the VM, for some stupid (or overly smart) reasons, there is a lot of paging going on, and I ...
