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0
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1answer
438 views

How does FileStream appends physically works?

I was dealing with a prepending problem and suddenly leads me to think about this question.... Maybe not only related to FileStream, I want to know how we actually appends binary into a file ...
0
votes
0answers
729 views

Kernel OOM killer been called when plenty of memory left while using malloc

The program is a memory exerciser that request multiple chunks of 512MB to malloc. For some reason the node 0 is been memory exhausted while the others are not been called. MemExerciser cpuset=/ ...
0
votes
2answers
793 views

Empty/dump modified memory to pagefile in windows

I use process hacker to clear out a few gigs of ram before loading large files such as 2GB stack traces so that everything does not freeze up for an hour as stuff gets swapped back and forth. However ...
0
votes
1answer
81 views

Windows7 issue in mutli- tasking and memory

I seeming some problem in my windows OS recently, let me first say my system configuration. processor - Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66 GHz Installed memory (RAM) - 4.00 GB (3.00 GB usable) ...
0
votes
1answer
6k views

Windows Word says, “There is insufficient memory or disk space. Close extra windows and save your work”

While pasting an image in a Microsoft Word Document, I got this error message: I was only having Microsoft Word, Windows Paint, Google Chrome and Windows Explorer open at that point of time - ...
4
votes
2answers
4k views

What is Paging in memory management?

I was just reading Operating System Principles by Silberschatz et al when I came across paging in memory management.I'm slightly confused about it. It states that Physical Memory(I assume it's RAM) is ...
4
votes
2answers
306 views

About memory cache of Linux

I'm running a python script to do some statistics and the actually memory which used is low,about 10%.And no other process cost more memory.However,when i use free -m and it shows that almost 95% ...
4
votes
1answer
7k views

Why does limiting my virtual memory to 512MB with ulimit -v crash the JVM?

I am trying to enforce maximum memory a program can consume on a Unix system. I thought ulimit -v should do the trick. Here is a sample Java program I have written for testing : import java.util.*; ...
0
votes
0answers
79 views

Forcing suspended jobs to swap all memory in Ubuntu

Is is possible to suspend a job and force all of its memory to swap? I've got six jobs running, and they're competing with each other for resources. So much gets wasted on system swapping that they ...
0
votes
1answer
664 views

Is there an easy fix to this copy/paste into Excel error?

When I attempt to paste a large spreadsheet (from a DB, ~90,000 rows) into Excel, I keep getting this error: Microsoft Excel is waiting for another application to complete an OLE action I ...
2
votes
1answer
1k views

How can I configure Firefox to assume I have less memory?

Firefox has a few different settings that automatically get tuned based on the system ram. This is all great if you're running nothing besides Firefox, but when you're running half a dozen apps at the ...
1
vote
1answer
1k views

High RAM usage by Windows 7

I am running 64-bit Windows on an 2.2GHz 2nd generation i7 and 8GB of RAM. When I first boot up, the RAM usage is 25-30%, which is reasonable, but after about two to four hours, it may go up to ...
0
votes
1answer
700 views

Windows server 2008 CPU load balancing

I have a Windows server 2008 CPU and Active Directory installed. Some how with lot of users and compiling process and many things, the CPU load rise too much and makes the server goes slow. What is ...
3
votes
1answer
12k 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 ...
-1
votes
1answer
149 views

Mozilla Firefox is eating up my machine memory even when there's only one tab

Check out this video link; it proves that Mozilla Firefox continuously increases the size of memory consumed every moment.. What's the matter?
1
vote
1answer
263 views

Limit the number of inboxes loaded in Thunderbird to save memory? [closed]

I have 3 email accounts I use in Thunderbird, however I only use one of them on a regular basis. Is it possible to selectively load accounts in Thunderbird to save memory? Here is the ...
6
votes
4answers
25k views

How could I limit or even disable file cache on Windows Server 2008R2?

There is a machine, with a very fast RAID array, and a fast internet connection. But, it only got 8gb of mem, which runs out really quick, when the upload goes up. Any ideas how could I disable, or ...
2
votes
1answer
401 views

Java: compile and run hanging at command prompt

I'm having an issue that I'm hoping someone can help with. I'm working on netbook running WinXP Pro SP3, 1.6GHz & 1GB of RAM. I've got a relatively simple java program that I'm able to ...
2
votes
1answer
167 views

What resource am I lacking? Causes notepad to be missing menu, or programs to not open

At this point when a notepad window is like that with no menu, I can't open another notepad either. After closing one or a few cmd prompts. Or after closing an add/remove programs window, or a ...
6
votes
3answers
2k views

Is it possible to make the OOM killer intervent earlier?

I try to tweak my development system to maximal reliability. I disabled swap, because for GUI usage it mostly renders the machine unresponsive in such a way not useable anymore. Nevertheless, if ...
1
vote
2answers
2k views

“Empty Working Set” option in RAMMap

What does this option basically do? Does it free the unused memory? If so, how does it affect the performance? In what cases will I use it?
4
votes
2answers
852 views

Atomic operation. How does it guarantee consistency from hardware perspective?

Atomic operation. How does it guarantee consistency from hardware perspective ? How is it implemented in HW ? As far as I know, atomic instruction makes sure that when it is executed, no other ...
0
votes
1answer
621 views

How to Upgrade Memory From 2Gb To 8Gb? [duplicate]

Possible Duplicate: How can I enable PAE on Windows 7 (32-bit) to support more than 3.5 GB of RAM? I have a laptop which has 2GB DDR III RAM, 520MX 1GB Graphic, and Intel Core i3-2310M CPU ...
0
votes
1answer
254 views

How can I find out the memory usage of a Virtual PC VM through the host?

If I start a VM using Virtual PC then Task Manager does not show the memory usage of the VM. For example, right now I have a Windows 7 VM running. I have: VMWindow.exe 60MB RAM vpc.exe 24MB ...
5
votes
1answer
161 views

Prevent important OS X process being swapped out, without code change?

I want hotkey-based utilities like Quicksilver or Zooom to respond immediately. But if they have been idle for a while, they (I guess) get swapped out, and respond slowly, sometimes not even ...
1
vote
1answer
110 views

Puzzled whether format the partition or simply copy back contents

In my previous question ntfs-partition-gets-auto-corrupt-becomes-raw-and-unreadable, I got some answers, but I am still not clear as to how to solve the problem. To quickly summarize it, Problem: ...
2
votes
1answer
1k views

Mac OS X consumes so much memory

I use a Mac for software development. It has 4GB of RAM (cannot be upgraded), and when I power it on, without any programs run by me, it consumes 2GB of memory. I develop a Rails app and the server ...
1
vote
1answer
5k views

NTFS Partition gets auto-corrupt, becomes RAW and unreadable

I have dual boot on my machine: Windows 8 and Ubuntu 11.10. Suddenly, one of my partitions went corrupt. On Windows, it's showing this error. Location is not available. E:/ is not ...
3
votes
1answer
242 views

Windows equivalent for “cat /proc/iomem”

Is there an equivalent program for Windows that "cat /proc/iomem" gives you under Linux? I'd like an easy way to read the Windows memory map.
2
votes
1answer
2k views

Windows XP only uses 2 GB of my physical 3 GB RAM

At work we still have to use Windows XP 32bit. Slowly we're getting to Windows 7 but for now I'm stuck with Windows XP. My problem is that Windows XP uses only 2 maybe 2.1GB of ram from my physical ...
16
votes
4answers
2k views

Is killing a process still considered bad for memory management?

So I am having a little discussion with my boss about memory management. I've been told that killing a process does not allow it to deallocate memory. Is that still the case, or was that years ago? ...
1
vote
4answers
2k views

Upgraded RAM Leading to Memory(?) Issues In Windows 7

I was super excited to upgrade my computer from 4GB to 8GB, so much so, I made a pretty amateur mistake: I swapped out the memory while my computer was asleep, and not shut down. Now, I'm not sure ...
1
vote
1answer
439 views

vmstat's Total Memory Statistic

I am analyzing memory usage on a Linux system. When I run vmstat -s, I see the following: waffleman@waffle-iron:~$ vmstat -s 3549184 K total memory 3206708 K used memory 1918012 K ...
1
vote
3answers
346 views

New Memory Power Management options in Power Options?

These options are listed under Memory Power Management in the Power Options on my laptop: Backoff channel heat break tolerance Consecutive time units to mark a page as cold Backoff channel heat ...
2
votes
1answer
1k views

RAM is showing 2.99 GB instead of 3.25 GB in Windows XP Professional 32-bit [duplicate]

Possible Duplicate: Why does Windows only show about 3.5GB of my 4GB+ of RAM? I have an Intel Core 2 Duo CPU E6550 with 4 GB of RAM. At that time, the system properties was showing RAM info ...
46
votes
5answers
31k views

How to disable Mac OS X from using swap when there still is “Inactive” memory?

A common phenomena in my day to day usage (and several other's according to various posts throughout the internet) of OS X, the system seems to become slow whenever there is no more "Free" memory ...
12
votes
1answer
5k views

Wired Memory vs. Active Memory in OS X

I'm having trouble understanding the difference between Wired Memory and Active Memory in OS X. Do not talk about the four types of memory (don't talk about free or inactive memory, because I ...
3
votes
4answers
179 views

Can I track down what is consuming more and more memory on Windows XP?

I use XP at work and if I don't restart every day the system gradually uses more and more memory with roughly the same processes running. I use Windows 7 at home and I don't experience the same ...
0
votes
1answer
2k views

Understanding RAM usage on Linux

I'm completely new to Linux and I'm just trying to understand where all my RAM is going. I've got a pretty fresh install of Xubuntu running as a VMWare guest, and I've given it 1.5GB RAM to play with. ...
8
votes
3answers
6k views

Why does my 32bit ubuntu see 8GB of RAM?

I have just installed a fresh copy of ubuntu 11.04 32 bit and I was surprised to see that the OS can see my 8GB of RAM not like Windows 32 bit OS. How does it work? How is the address mapping ...
5
votes
2answers
12k views

How to setup Windows 7 to effectively use 24GB RAM

I need to know the best strategy to let Windows 7 use 24GB RAM in the most effective way, so it does as few reads from disk drive as possible. I once read there is some setting in Windows but I can't ...
3
votes
1answer
9k views

How do I allocate more RAM to Java?

A java application I'm using keeps crashing, when I had a problem with a similar application I managed to fix it by allocating more of my RAM to Java. How do I do that? (I recently upgraded to 16 GB ...
1
vote
1answer
320 views

A profile makes mozilla firefox killed. How to repair?

Mozilla firefox fills system memory and gets killed during startup if I use my "default" profile, even when started in safe mode. I'm using Kubuntu Linux. $ firefox -safe-mode Killed $ Upgrading ...
2
votes
1answer
444 views

What I should know about memory management?

first of all: I don't use stackadmin or similar so please don't vote for moving there, I'm reading man top and paper "what every programmer should know about memory ..." I need really simple ...
0
votes
1answer
120 views

what typically consumes more ram on a website?

i have a mac and im using the new firefox 4 just testing to see if it will use less ram usage than before. when i open facebook and flickr the usage flys up. what is typically sucking more ram? im ...
0
votes
2answers
412 views

Out of memory Problem

I'm running a C++ program in Ubuntu 10.04 (32-bit system architecture). If I calculate the amount of memory that my program uses, it comes up to 800MB. I have a 4GB RAM in place. But still before the ...
2
votes
4answers
275 views

What could cause a computer to slow down over time?

I have an application/game that ran smoothly a few months ago but lately I've realized it runs more sluggish than usual (the frames per second get quite low). I thought maybe something I installed is ...
2
votes
2answers
1k views

Memory management (segmentation and paging) in 80286 and 80386: How does it work?

I found lots of Web sites and books explaining how memory management worked on the 8086 and later x86 CPUs in Real Mode. I understand, I think, how two 16 bit values, segment address and offset are ...
1
vote
1answer
490 views

Filling memory slots to allow dual channel

I have Gigabyte P55 motherboard and an Intel i7-860 cpu running Windows 7-64Bit. I have 2 sticks of 1GB RAM and one stick of 2GB RAM. With four dual-channel memory slots on the motherboard, what ...
2
votes
2answers
4k views

How do I resolve BSOD: PAGE_FAULT_IN_NONPAGED_AREA?

I have been trouble shooting this for a few days and cannot fix this anyhow. Computer specifications Mobo: ASUS Sabertooth X58 LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard CPU: ...