A RAM disk (or RAM drive) is a block of RAM that a computer is using as though it were a disk drive.

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PC cant even boot after BIOS clock changes

Well I've been having problems lately with my RAM and so I got the bright idea of trying to overclock it because yeah. Came to a setting in BIOS, changed NorthBridge from 2400mhz to 2800mhz because ...
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27 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 ...
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51 views

Upgrading from 8GB to 16GB RAM in Laptop. Possible? [closed]

I have a HP 14" Laptop with a 8GB RAM in it. I recently installed 2 pcs of 4GB 12800s but I still am not satisfied with the speed, as I am doing graphics and video editing. My question is, is it ...
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46 views

serious disk performance problems, please help,

I have a Dell inspiron 7720 processor intelr core tm i7 3630qm 8 gm ram the problem is that me disk is always between 49% - 50%, then I noticed my disk had some "partitions" named as disk 0c: and ...
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1answer
76 views

MySQL data on ramdisk partition

I'm using Docker with Ubuntu for my CI and development environment. I would like to put the database on a ramdisk partition to speed up the builds, since I have to reload my fixtures a lot, so data ...
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53 views

Why is iconservicesagent haemorrhaging the RAM on my MacBook Pro

Superusers, I have a MacBook Pro i7 (late 2010) running Yosemite OS. I recently upgraded the machine with a new crucial SSD and 8GB of RAM. Though the machine is working light years better, the ...
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1answer
606 views

Moving Chrome cache folder?

I was wondering if moving the cache folder in chrome(Win7x64) to a ramdisk drive will improve the performance of cached flash player files/games? If so, What would be the easiest way to do this? I'm ...
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12 views

Remove none existent external drives

I'm installing windows 8, it has completed installation but won't finish until I unplug an external drive. The problem rests in the fact that I don't have external drives connected, except of course ...
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50 views

How do I create a ramdisk that writes changes back to persistent storage, e.g. with aufs?

Similar to this question, but more specific: I want a ramdisk / tmpfs that sits on top of a physical directory, exposing data of that directory. The ramdisk should persistently cache all data on ...
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2answers
60 views

Why do applications launch faster when running entirely from a RAM disk? [closed]

What about running from a RAM disk makes applications launch faster when running entirely from a RAM disk?
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2answers
46 views

imdisk: how can I make the disks appear in “computer management”->“Disk Management”?

I noticed that the Drives mounted by ImDisk appear in "My Computer", but don't appear in "computer management"->"Disk Management". I guess I need them to appear in "Disk Management" so that the ...
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2answers
200 views

RAM: which one is more better 2x2GB or 4GB? [duplicate]

Is this better to have 2x2gb DDR3 RAM in both of the slot or single 4GB DDR3 RAM in single slot in laptop? Which way is right to increase my laptop perfromances, what should I do for best and fast ...
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0answers
101 views

Create RAM disk on the VM, or on the host?

I am interacting programatically between two programs (Matlab, and ISpice), where one program writes a file to disk then the other reads it and writes another file to disk, which is read by the first. ...
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2answers
100 views

What does 16*256 dram structure mean?

I want to understand the difference between the dram structures 16*256 and 8*512 Ram indicates? I have read on many rams stating 16*256, 8*512 1*4gb, which one is better and in what ways. I am ...
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0answers
77 views

Use Ramdisk.sys To Create A Ramdrive On ReactOS?

Back in the day Windows 2000 had a ramdisk driver, and it appears that ReactOS includes something similar. ReactOS is still an alpha and many of it's components are missing, or incomplete, but the ...
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11answers
17k views

Does every OS need RAM?

Is there an OS which can be used without RAM, specifically the kind I can create a bootable pendrive from and use it in the computer? This gets awkward, since booting is essentially loading OS in ...
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1answer
181 views

Creating a RAM disk out of an existing folder on a hard drive

I know there's a lot of software that will allow you to create a RAM disk, but I have a specific situation. I'd like to put my installation of League of Legends onto a RAM disk. The issue is that ...
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3answers
54 views

If RAM Disk had continuous power, even if the computer was turned off, would it still be volatile? [closed]

I am planning to host a Minecraft server and discovered RAM Disks. They are fast, but volatile(meaning if it lost power, then it would lose all data). I am a tinkerer myself so I thought, "Maybe I can ...
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29 views

Is ramdisk_size still needed with a .cpio initrd?

I'm creating a rescue system with the following two files: rescue.linux (version 3.2) initrd.cpio The initrd.cpio file can be quite large, larger than the default 4MB of a ramdisk. However, it ...
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1answer
36 views

Is it possible to reclaim the memory used by an initrd?

I'm developing a boot process for an embedded device. Currently I'm using an initrd (uncompressed it's 4 megs) to be able to setup my real root partition before continuing to boot (I have to select a ...
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1answer
159 views

How can I check which RAM replacement can I use in my laptop?

I've a Nanya (NT2GT64U8HD0BN-AD) 2GB DDR2 SO-DIMM PC2-6400S, 200-pin, Notebook RAM I would like to use this RAM in my old laptop Samsung NC-10 I know that normally is upgraded with PC5300 667MHz ...
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325 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 ...
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53 views

How to chroot into memory disk so that hard disk can be unmounted?

What I want to achieve is to be able to backup my hard disk over ssh like the following without the need to boot from a live CD / rescue media: dd if=/dev/sda | gzip -1 - | ssh user@hostname dd ...
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1answer
5k views

What happen if we reduce the size of hiberfil.sys

I today discovered that we can set the size of the hiberfil.sys using powercfg -H -size 100% command line tool. Ignoring the hard space you will get, what else will change if we set it to powercfg -H ...
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2answers
2k views

Are there issue using different sized RAM's

I have a 1*4GB RAM installed in my dell laptop. I am going to purchase 1*8GB RAM. So, my question is if the combination of one 4GB and one 8GB RAM, will both work or not? I am confused as I have never ...
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Why do some programs can't write to a ramdisk on Windows?

I've created a ram disk under windows using IMDisk. Most programs don't have problems writing to it. But for example, it isn't possible in Visual Studio (2013, currently) to create a project in a ram ...
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3answers
207 views

Win7 resets HKCU/Environment/Temp and TMP on login

I once had a fresh installation of Win7 on an SSD drive. Bearing in mind what you always hear about write cycles on these things, first thing I did was changing the TEMP/TMP variables of SYSTEM and my ...
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160 views

How to move vlc temp folder to ramdisk?

How can i move vlc temp folder to ramdisk or any other location to increase performance? Or does vlc already keep temp files in ram? thanks.
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45 views

What's windows' reaction if TEMP folder location is removed? [duplicate]

What I'd like to know is what appends if the said RamDisk or the USB SSD is removed? I'm used with moving the TEMP/TMP folder to a faster drive. I used to do it on a RamDisk with a script and now ...
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1answer
71 views

How to increase ramdisk size?

I have created a ramdisk of 8 MB using the following commands: mkfs -q /dev/ram1 8192 mkdir -p /ramcache mount /dev/ram1 /ramcache Now I want to increase the size of the ramdisk to 1.5 GB. How ...
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2answers
451 views

constantly writing files on SSD Win8 - RAMDISK versus disk cache?

I have an application that is constantly writing up to 8 x 15Mb files to disk (capturing video streams) with a new file being created each minute (and the oldest file deleted). The computer has a SSD ...
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281 views

Keeping HDD files in virtual memory without changing paths to files

I suppose my question is very specific, but I hope there might be solution already. I want to make few folders available in virtual memory but not changing the way they are accessed like ...
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1answer
305 views

Best practices of keeping Firefox profile on ramdisk

Having plenty of RAM, I'd like to use it to speed up the browser. Goals: Have profile and cache completely in memory, so HDD is not used much while browsing and fsyncs don't reach actual HDD or ...
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1answer
203 views

No performance increase on I/O intensive operation after symlink to ramdisk

We have a system that transforms a set of several thousand multi-MB files. After every step in the transform, it writes the intermediate file to disk. The concept is similar to a scratch disk. We ...
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4answers
6k views

Can SSD raid be faster than ramdisk?

So a typical ssd will have a read speed of 250 - 500 mb / second. And a ram will have about 10x than that. My question is: Can 4 ssds with raid-0 be faster than a single ram memory block for some ...
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2answers
435 views

Running a test database on RAM disk

Is it possible to create and start a Postgresql server as an unprivileged user with data directory owned by the same user? I want to run tests and create a test database for it, the data files being ...
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1answer
289 views

If I have an SSD, do I need AMD Ramdisk?

It seems like RAMDisk would cache a ton of stuff to my drive. With a standard HDD that's no problem, but for an SSD it raises the following risks: I have less space on my SSD Reading/writing to my ...
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1answer
200 views

RAM with Same Type but different Memory Clocks? [duplicate]

I have a 1 GB DDR2 667 MHz RAM installed into my system can i use 2 GB DDR2 800 MHz RAM along with the existing RAM is there any problem if i use both in different slots simultaneously or ...
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1answer
168 views

What are the quality metrics for RAM?

I have searched RAM and I found there are given some specification for the same capacity RAM, What are the difference and performance comparison between these? Like RAM1 General Brand ...
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101 views

How I should modify Windows's files in order to load all the system in the RAM during the boot?

I would to make a partition in my SSD and put in it the Windows's installation files. So, I would modify that files in order to tell at the CPU to copy all the partition (with all the files of Windows ...
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9answers
6k views

Why does RAM have to be volatile?

If computer RAM was to be non volatile like other persistent storages, then there would be no such thing as bootup time. Then why is it not feasible to have a non volatile ram module? Thank you.
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2answers
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imDisk: Create physical memory drive (not virtual memory drive) from command-line

I'm using imDisk (http://www.ltr-data.se/opencode.html/#ImDisk) to create a virtual drive in Windows 7. I use it as temp drive for documents and will be created every time the computer/windows ...
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4answers
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How to determine if a RAMDisk will be benificial and what to put on it?

How much RAM is necessary for a RAMDisk and how does one determine how much to allocate? Also what programs benefit from being put on a RAMDisk since the contents is lost when the machine is powered ...
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3answers
486 views

Will mounting a TrueCrypt container stored in a RAM disk be risky or have weak performance? [closed]

I'm getting a computer with 32 GB of memory and I'd like to allocate a good 8-16 GB to a RAM drive to boost performance of the files and programs that I open and close often. Simultaneously, I'm ...
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392 views

Restore data from a corrupted .img file

After having formatted my pc, i forgot to setup backup on my ramdisk. Ive been using dataram ramdisk wich stores the disk in a .img file on exit. However my pc crashed recently and now this .img is ...
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2answers
353 views

Reduce loadtime in games merging two folders across ramdisk and local disk

I've found a program to emulate a drive in my memory, RAMDrive. RAMDrive creates a drive (G:) on my computer, which allows me to have super fast read/write on that drive. Now I was thinking I could ...
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1answer
541 views

Auto resizing RAM drive for Windows?

Is there a method or a tool that would allow me to have a RAM disk with dynamic memory allocation? I want it to use RAM space only when space is actually used by files, I do not want an empty RAM ...
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2answers
461 views

Fancycache + HDD vs SSD

My girlfriend's three years old Sony Vaio laptop is getting really slow so I will perform a clean Win7 install on it in a couple of weeks. While at it, I'm considering getting her to upgrade a ...
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0answers
2k views

Windows cache and temp on RAM disk

I have 16 GB of memory and have just started to experiment with having a 1 GB RAMdisk. Currently, I only have the browser cache there, but I am thinking of moving the Windows7 cache and temp ...
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147 views

Create temporary disk in RAM?

The Fossil SCM currently doesn't support grepping through the repository. The only way to find code, is to check out the whole repository into a disk through "fossil deconstruct c:\temp_fossil", and ...