Virtual memory is a technique to provide more address space than the available physical memory. Each process can be given its own virtual memory, and the hardware translates every virtual memory reference to a physical memory address. To accommodate situations when more virtual memory is in use ...

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Mouse disconnecting and programs not closing and more

My mouse keeps disconnecting and reconnecting as well as my usb modem. My programs don't always close when i tell them to and even when I use task manager. T hey are also using all my RAM for a lot ...
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1answer
4k views

Need for page file with 12 GB RAM [duplicate]

Possible Duplicate: Windows 7 pagefile size with large RAM and SSD I recently got my new PC with 12 GB RAM (running Windows 7 64bit). The default installation suggests a 12 GB page file on ...
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2answers
504 views

sizes of RAM, of virtual memory and of swap for 32-bit OS

If I understand correctly, a 32-bit OS (Ubuntu) can only address 4GiB memory, so RAM with size larger than 4Gib will only be used 4Gib of itself and the rest is a waste. I am now confused about this ...
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4answers
10k views

Why is my browser using so much memory?

I've recently had problems with Firefox running very slowly when I have many tabs open; say 20 tabs. My whole system would slow down. I decided to give Google Chrome a try, and it started out fine. ...
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1answer
497 views

How much virtual memory? [duplicate]

Possible Duplicate: why do we need to set swap space as twice big as our physical memory? I have been working on computers for quite some time now and realize the importance of virtual ...
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4answers
1k views

Force a process to run in virtual memory? Ubuntu

I am running a series of tests for an implementation of a remote pager that sends page faults to other computers in a network. Long story short, I was wondering if there is an easy way to force a ...
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3answers
6k views

Can Windows 7 pagefile be turned off if 4GB of hi-speed RAM present? [duplicate]

Possible Duplicate: Any reason not to disable the Windows pagefile given enough physical RAM? I believe that there is enough of memory for everything used at the moment to be stored and ...
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1answer
319 views

Why RAM usage is much bigger than Virtual Memory usage

I am running some tests on a very powerful machine ( 24GB RAM, Window 2008 64bit ) I checked my task manager: Physical memory: 98% ( RAM is 24GB ) But the totally "Memory(Private working set)" usage ...
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1answer
715 views

System thinks it is swapping, but isn't

I have a linux server (Ubuntu 10.04) which has no swap space (swapon -l reports nothing, 0kb swap memory listed in /proc/meminfo). The beginning of the output of top (sorted by %mem) is reproduced ...
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1answer
6k views

Linux overcommit memory

I've been looking into memory overcommitting in Linux using /proc/sys/vm/overcommit_memory, and I've read a few articles which don't say the same thing. This doc, under the heading "Going in the ...
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0answers
987 views

16GB RAM. Is it OK to turn off virtual memory? [duplicate]

Possible Duplicate: Do I still need to use virtual memory? I have a windows 7 64 bit machine with 16GB. Memory usage will never reach anywhere near that. Therefore I don't see why Windows ...
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1answer
806 views

Scheduled Task Priority and Paging problems

I just scheduled a task in my Windows 7, and I have 2 problems with it: The process starting with Below Normal priority. Even after manually changing the priority to Normal (via Task Manager), the ...
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4answers
2k views

Process Explorer not showing the biggest user of my RAM

Does anyone know why Process Explorer might show these weird values for memory usage of my Virtual Box instance? Here are the real numbers: But here's what Process Explorer is showing: So the ...
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2answers
1k views

How to increase Hard-Disk LifeSpan?

1) What factors affect the life of a hard disk? 2) Does frequent writing on the disk reduce its life? 3) What is the average life span of a hard disk under normal condition? 4) Does less writing ...
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1answer
2k views

Can I disable virtual memory? [duplicate]

Possible Duplicate: Do I still need to use virtual memory? Suppose I have a system with 8 gigs of RAM. I have used systems with less than that including physical RAM and virtual memory. ...
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1answer
95 views

When a process isn't using virtual memory, does it have the kernel or user memory in RAM?

A process can use upto 4 GB of virtual memory (including user and kernel) but when it's not using virtual memory does it have the kernel and user memory in ram?
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2answers
648 views

Make JVM use Virtual Memory only after using 1GB of RAM

Id like to run a memory intensive java program and limit how much physical memory it can use. Is possible to configure the JVM to use no more than 1gb of RAM, and use only virtual memory after it ...
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0answers
347 views

improving swapping strategy

I'm finding linux's swapping strategy to be somewhat less than ideal. In general I have a ton of processes running, maybe 40 or more big ones, and only end up using a few regularly. Nonetheless, I ...
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2answers
517 views

What is commit charge?

Wikipedia says In computing, commit charge is a term used in Microsoft Windows operating systems to describe the total amount of virtual address space for which the backing store is the ...
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1answer
2k views

Identify an instance of Google Chrome by PID

While working I generally need around 40 windows open at a time and run 100-200 processes. When memory constraints become an issue, I start picking off the processes that are the most resource ...
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1answer
4k views

How do I limit the memory usage of a specific process in linux?

I've written a program for a class that my professor will be testing in various low memory environments to see how it behaves when the program runs out of memory. Is there a way I can simulate the ...
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1answer
1k views

How to tell Linux to explicitly swap out main memory of a suspended process?

I run a memory-hungry process (mkcromfs) which consumes more memory than I have physical memory on my latop, so it is paging and swappin and thrashing all the time and loadavg is about 2 (compcache is ...
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2answers
798 views

Virtual memory on Linux doesn't add up?

I was looking at System Monitor on Linux and noticed that Firefox is using 441 MB of memory, and several other applications are using 274, 257, 232, etc (adding up to over 3 GB of virtual memory). So ...
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0answers
234 views

swapping or trashing with vast amounts of unmapped pagecache

I'm using kubuntu jaunty (i386 32bit), kernel 2.6.28-13-generic. I've 4Gb of RAM, of which only 3317Mb are seen by the system (I guess because of the 32bit system). I'm seeing that the pagecache ...
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1answer
411 views

Can we decrease page swapping? [duplicate]

Possible Duplicates: Windows Swap (Page File): Enable or Disable? Can we decrease page swapping? My system has a 5GB RAM. And my paging file size is 2GB Even though I have many RAM, ...
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2answers
21k views

Unpause application in Mac OS X

I tried parsing a gigantic XML file and I ended up running out of virtual memory. The OS put all my applications on pause and gave me a screen to shutdown applications to free more space. I killed the ...
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3answers
3k views

tweak windows 7 virtual memory and cache / caching settings

im on windows 7 64 bit, with 4gb of memory whenever i copy or deal with a big ammount of data, windows swaps out everything from memory to the virtual memory swapfile, to make room to data cache. ...
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3answers
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Windows application to monitor virtual memory activity

Is there a windows application that shows a graphical representation of virtual memoey, along with which pages are resident, which are being moved in or out, and so on. What I"m looking for is some ...
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1answer
11k views

Ballooning Mac OS X kernel_task and Wired memory usage. How to diagnose / fix?

I have a very strange issue, which I'm having a hard time diagnosing as to the root cause. I have a Mac Pro (2008, 8-core 2.8 GHz, 8800GT) with 14 GB of RAM (recently upgraded because of this ...
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votes
1answer
404 views

Lack of Virtual Memory - confusion

Specs ahead of time: AMD Athlon XP 2400+ @ 2.00 GHz / 1 GB PC-3200 DDR RAM / 160 GB IDE HDD / 128 MB GeForce 6200 AGP / FIC AM37 / 350W PSU / Windows XP Pro SP3 So, XP has pop-ups saying that I am ...
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3answers
1k views

How to interpret Windows XP's Virtual Memory Info - the 10 numbers and 1 graph

How are the numbers in the Windows XP Virtual Memory info to be interpreted? I am actually just interested in: 1) What is the total size that is free as in "untouched" physical RAM, so that the ...
11
votes
5answers
2k views

How much swap is a given Mac application using?

Is there any way to tell whether a particular application running on Mac OSX (10.2+) has some of its memory swapped out (i.e., to one of the /private/var/vm/swapfile* files)? And how much? Bounty ...
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1answer
294 views

Enormous virtual and private memory usage on a Windows 7 x64 Installation

recently my Windows 7 x64 machine started to act very weirdly, a lot of programs would crash randomly. The one application that would consistently crash was Team Fortress 2, after loading a map, I ...
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2answers
975 views

Decode win7-64 physical memory values for me

win7-64: If you can, please explain these readings or supply a documentation link, thanks. Task Manager: The vertical Memory gauge is at 1.93GB. Physical Memory (MB) total 8191 cached 5417 ...
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votes
2answers
506 views

Optimizing Windows XP to use less HD access

I have a corporate laptop with a great processor and 4 gigs of RAM, however the HD is ancient, we're talking 4200RPM here, roundabouts. Programs run great, but load horribly, horribly slow. Any ...
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6answers
3k views

Do I still need to use virtual memory?

I would have thought this was already asked but I can't seem to find it. At what point do I no longer need virtual memory enabled? With 4GB of RAM I see that the computer rarely uses anywhere near ...
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votes
9answers
29k views

How to find virtual memory size and cache size of a linux system?

Is there any command to get virtual memory size, cache size and front side bus speed of a linux system? Is swap in linux same as virtual memory?
3
votes
1answer
1k views

How to make programs consume physical memory instead of virtual memory

I am running on XP SP3 on my 2GB RAM laptop right now and I see from the task manager that there are still around 800MB Physical Memory available. You can have a look at the appearance of the task ...
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votes
6answers
6k views

What is virtual memory? Clarification Needed

I was double checking my notes for 'Virtual Memory' and the definition in my text book is: Process of allocating a section of secondary storage to act as part of the main memory Where as ...
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votes
2answers
11k views

How to suppress “low memory” warnings in Vista Home Premium when running without paging file?

A few weeks ago I disabled all paging files on my Media Center. I figured that it only ever runs AVG, Media Center, Logmein, Chrome and sundry services to support these and never gets above 1.4-1.5GB ...
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3answers
1k views

Is Visual Studio 2008 a 32Bit Application?

Is the Visual Studio Application 32Bit , and thus can only address max 4GB ram?
4
votes
4answers
384 views

In winxp, I have 4GB of RAM, am using 1.77GB, but programs keep paging out to memory. Why?

All in the title. What's the point of more RAM if my programs will page out instead of using it? To be more specific, here's an example: I open 12 tabs in a browser. I look at one of them while using ...