Swap space is a virtual memory of RAM. It is used when the amount of RAM is full. Swap space can be a dedicated swap partition, a swap file, or a combination of swap partitions and swap files.

learn more… | top users | synonyms

1
vote
0answers
23 views

Debian extremely slow resume after hibernate

I have a very irritating issue with my Debian 8: resume after hibernate takes from 5 to 10 minutes. During resume time system shows me picture on a display but not respond, cursor are not moving, ...
0
votes
1answer
11 views

What's the total amount of memory and swap a process is using?

http://windows.microsoft.com/en-us/windows/what-task-manager-memory-columns-mean#1TC=windows-7 If I'm reading correctly, there is no way to see how much swap is used by a process. Is this correct, ...
-1
votes
1answer
39 views

How do I know how much swap is used on Windows 7?

Apparently, as per Commit charge is 100% full but physical memory is just 60% when using no page file and http://brandonlive.com/2010/02/21/measuring-memory-usage-in-windows-7/, the Commit numbers in ...
1
vote
2answers
2k views

Moving Swapfile in Mac OS X Lion

I had previously consulted this thread when using snow leopard to move all swap to an SSD: Moving the swapfiles to a dedicated partition in Snow Leopard The information appears to be out of date at ...
2
votes
1answer
2k views

How permanently change Linux swap disk priority

I’m using two swap disks. Changing the order they are in in /etc/fstab and using pri in fstab doesn’t seem to have any effect. This is what it looks like in the /etc/fstab: #swap on other disk ...
3
votes
3answers
851 views

Should I symlink my /private/var/vm dir to another volume in OS X Lion?

So I just installed an SSD in my MBP and have been a bit concerned about running out of disk space. I noticed that /private/var/vm holds an 8.6 gb sleepimage file as well as swap files. I'd be much ...
0
votes
1answer
20 views

Can a filled up swap partition cause file locking issues on linux

I have a machine at home running elementary OS 0.2 with very little RAM, the swap is always allmost full (I'll upgrade the RAM as soon as I can.) It has an OpenSSH server set up with public key ...
1
vote
0answers
45 views

Is it possible to make a swap space(partition) in windows 8.1 like linux?

I'm using alot of ram on a daily basis and I know you have swap partitions in linux to help this, is it possible to do in windows 8.1 and if so, how? thanks
0
votes
1answer
19 views

Windows 7 Swapping Threshold

When physical memory jumps to 80%, the RAM starts swapping itself to pagefile. How to increase this 80% threshold to say 90% ? I have 4GB of RAM which means the swapping starts when 3.2GB of RAM is ...
1
vote
0answers
26 views

Is it a bad idea to make a swap partition on a SSD?

Since it has limited amount of read/write cycles, it seems to be a bad choice but I have no solid reasoning on why or why not to use it other than that.
1
vote
0answers
31 views

OpenWRT and USB write cycle limit

Background (feel free to skip) I am currently usin OpenWRT at home. I have an external HDD connected to router's USB port for the network shared storage. Actual transfer speed from the HDD to the ...
4
votes
1answer
597 views

What is the exact difference between the parameters (pgpgin, pswpin) and (pswpout, pgpgout) in /proc/vmstat?

Please note that this question is specific to linux only. And by swap space, I mean the dedicated swap partition. I did google a bit on this, and found these definitions: Paging refers to writing ...
0
votes
1answer
242 views

dell xps 13, is it possible to swap ctrl and fn keys in bios?

This question was marked as a duplicate to a question about how to remap keys in the OS. This is not related to my question. Although most keys can easily be remapped in this way the fn key is ...
0
votes
3answers
89 views

Linux server is running out of memory and swap

I guess there is some memory leakage and memory is not being freed. Is there some good ways to find out which process and why is leaking memory? The only temporary solution is to restart server. But ...
0
votes
1answer
40 views

Where's my RAM disk being stored?

I'm running an Ubuntu VM under Windows 7, within the VM I've allocated a 5GB RAM disk using sudo mount -t tmpfs -o size=5G tmpfs /mnt/gitRAM and then copied files into it. When I then look at conky ...
0
votes
1answer
44 views

linux not using swap, but OOM killer is triggered

I've been having this problem for a long time now, and I can't seem to figure it out, basically, my linux (32bit 3.2.6-3.fc16.i686.PAE) system is refusing to use the swap. When I run $ tail ...
8
votes
4answers
6k views

What happens when linux OS out of RAM and no swap

What happens when linux OS is out of RAM and no swap is available?
6
votes
3answers
8k views

Clean up swap memory

I am using ubuntu 10.10. My RAM is 3GB and swap memory is 2GB. After using my system for several hours, all of my swap memory is used up. Is there any way so I can clean up swap memory?
0
votes
2answers
3k views

Changing Linux swap partition

I want to change the swap partition to another partition. Is there a gui that can make this process easier so I don't have to do things like manually editing files?
1
vote
0answers
34 views

vim leaves a swapfile after crash with unknown owner

I am running Cygwin on windows. Several times now I've had a swap file left behind from vim after a crash, but it can't be recovered or deleted. "ls -l" shows this: -rw-r----- 1 Unknown+User ...
0
votes
1answer
66 views

What’s eating almost all memory and swap in this Linux machine? (not buffers/cached-related)

I have a Linux machine that reports almost all of its memory and swap are in use, yet I can’t identify any processes using a significant amount of memory on the machine. We are running Linux kernel ...
11
votes
3answers
1k views

Does it matter about the amount of the swap area in Linux system

Does it matter if the amount of a swap area in Linux was set too small (say 1Gb), and the main RAM is 128Gb? Should we always set the amount of swap area to be twice the amount of RAM? UPDATED: Hi, ...
0
votes
1answer
58 views

How do i increase my swap partition size in Ubuntu?

I had a 2 GB RAM before. So When i installed Ubuntu i just gave 2 GB for Swap partition. Now I Had increased my RAM capacity to 4 GB . How can i increase my Swap capacity to run my OS smoothly? Please ...
1
vote
1answer
120 views

What does it mean to have a swap partition mounted at /dev/null?

I ran swapon -s on a VPS that I’m using and discovered that there’s a swap partition pointing at /dev/null. # swapon -s Filename Type Size Used Priority /dev/null partition ...
8
votes
5answers
2k views

Disadvantages of not having a swap partition

I recently installed Ubuntu 10.04 on my laptop. Due to space constraint of the SSD, I did not set a swap partition for the OS, and I have 1.5GB of RAM. There's a warning during installation, but I ...
2
votes
1answer
87 views

swap file vs partition

I needed some more swap for something I'm doing so I set up a swap file rather than editing partitions. Are there any disadvantages to using a swap file instead of a swap partition? My OS is ...
6
votes
2answers
619 views

How to enable linux swap partition?

I've got a swap partition, but the System Monitor in Linux Mint says, 'Swap not available'. I guess I've forgot to set 'Use as: swap' on install. How to fix this?
0
votes
3answers
2k views

Why using swap file over a SMB/NFS mounted filesystem is not possible in Linux?

I'd like to use another machine's unused RAM as swapspace for my primary Linux installation. I was just curious about performance of network ramdisks compared to local (slow) mechanical hard disks. ...
0
votes
0answers
121 views

Win8.1 Bad Virtual Memory Managment?

For the last couple weeks I'm facing a serious problem with my Win 8.1 32bit (64x CPU) 4G RAM, having "System Managed size" setting for virtual memory (then win allocates 1.8G), minimizing even light ...
0
votes
0answers
23 views

Place specific programs in virtual memory / swap memory

I was just curious if it was possible to identify programs that I want to be swapped and others that I want to keep in ram. For example, I've realized that Chrome sometimes takes up to 2GB of RAM and ...
3
votes
1answer
631 views

Create Linux swap on external USB 3 hard drive

I have an external USB 3 hard drive USB 3 port on Debian, and I would like to create a swap partition on that drive which drive also holds the partitions for databases and other high-volume stuff. ...
0
votes
0answers
24 views

G510 Can I replace screen with higher resolution? [duplicate]

I have got Lenovo G510 with 15,6"1366×768 and I would like to replace with screen with 1920x1080 resolution. Is it possible? Do I have to change lcd cable or just swap screen?
0
votes
2answers
91 views

Windows 8.1: Is there a way to find out how much swap space is currently being used?

Not the size of the file on the disk. Older versions of Windows used to have "%pagefile in use" in the Performance Monitor. Thanks. UPDATE: In turns out Windows 8.1 still includes the Performance ...
0
votes
0answers
105 views

Mavericks isn't compressing memory

Specs: Mac OS X 10.9.5 | Macbook Pro Mid-2012 15" | 4GB RAM So recently I've been driving my machine to the limit with lots of bioinformatics work and didn't give it much rest. This afternoon it said ...
6
votes
1answer
351 views

What is swap partition

I read that the swap partition must have the double size of your RAM, that is optional to install, that is for hibernation mode only, several technical information that tells me what to do. I am using ...
0
votes
1answer
31 views

Disable swapping out of readonly pages etc. on linux?

Is there any way to prevent Linux from ever swapping out anything but rather go right to the OOM killer if it runs out of physical RAM? Background I have a Linux workstation that every once in a ...
1
vote
2answers
2k views

Sharing RAM resources between 2 or more computers

I know there was a somewhat similar question before: How to share CPU or RAM? But, let me just specify it a little more... When Microsoft Windows requires more RAM capacity than available it uses a ...
3
votes
6answers
10k views

Linux: don't create swap partition?

I was wondering since I heard that swap is used when you're out or RAM and and swapping too much is bad, since I have a lot of RAM ( 8GB ).... what if I dont create a swap partition? Also, do I need ...
1
vote
3answers
108 views

Move swap contents back to the RAM once there's free memory

So I understand that swap mem is used when computer runs out of space on ram. Once there is available space in the memory how can I move contents of swap to ram so taht it doesn't slow me down?
0
votes
0answers
20 views

swap\pagefile of 2 levels

Lets assume I want to assign 2GB to swap(linux)/pagefile(windows) on SSD, and 16GB more on HDD. Is that possible to use the space on SSD as level 1 of virtual memory, and the space on HDD as level 2 ? ...
72
votes
11answers
49k views

Should I keep my swap file on an SSD drive?

I'm considering getting an SSD drive to run as the primary OS partition. As I understand, this should provide a substantial improvement in performance. My question is this: Should I leave the swap ...
-1
votes
1answer
533 views

How can I use a flash drive to increase my virtual memory?

My computer has 8gb of physical memory. I'm running some memory intensive processes that quickly eat up that 8gb. When the physical memory runs out, it starts using the virtual memory and I see ...
9
votes
2answers
3k views

Does the 4 GB RAM limit on 32-bit systems also affect the swap space?

It is well known that 32-bit systems can only handle 4 GB as maximum amount of RAM. Under Linux, does this limit also apply to swap partitions? If my RAM + swap exceeds 4 GB, will it be fully used? ...
0
votes
3answers
4k views

How can I find out the size of a swap partition?

What are the sizes of the following swap partitions? root@pc:~# swapon -s -v Filename Type Size Used Priority /dev/sda5 ...
0
votes
2answers
2k views

Resizing swap partition (RHEL 5.x)

The following is what parted print outputs: (parted) print Model: VMware Virtual disk (scsi) Disk /dev/sda: 26.8GB Sector size ...
0
votes
2answers
109 views

How to realocate space from the Swap partition to the ext4 'normal' partition in Ubuntu?

My Linux is running in a VM for which I allocated half of the physical amount of RAM (32 div 2) and 20 GB of disk space. I can see the structure of my disks. The 'linux swap' partition took 16GB. ...
3
votes
1answer
2k views

Windows 8 pagefile on usb FLASH

Not duplicate :) Windows 8 hides usb flash drives in the list of virtual memory drive list. The picture taken when I installed 2 usb flash drives but they are not in the list. Any body knows the ...
0
votes
1answer
343 views

How to swap Fn and Ctrl keys on Lenovo L540

I recently got a new computer and the Fn/Ctrl keys are driving me crazy. Can anyone tell me the proper way to swap Function Fn and Control Ctrl keys on Lenovo L540?
1
vote
0answers
103 views

Ubuntu swap not mounted half of the time

I have about 8 different ubuntu systems using different versions of ubuntu/lubuntu/kubuntu/mythbuntu/etc. Some are physical machines, some are virtual. The issue I always have is that upon booting up, ...
11
votes
5answers
3k 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 ...