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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Installing linux on an imac

I am trying to get my new (purchased in 2016) iMac to boot Linux Mint Debian Edition 2. I have tried Booting from usb/cd drives, initiating a new fresh partition table per tecmints instructions ...
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19 views

Running matlab on Windows through Mac

I need to do some work on matlab which must be through windows. Unfortunately I have a 2014 mid retina (8gb ram, core i5). Would one think I would be able to run it through parallel? I need to do some ...
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1answer
29 views

Can we find the address in the RAM knowing the data that is stored?

Let's say we created an object with some programming language a = "This is my text and it is very precious" and then close the terminal. As I understand it, the memory space that contain the ...
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2answers
36 views

Loading Disk image to Ram for boot purposes

I am aware that several versions of linux are capable of being loaded fully into ram for running the os directly as a ram disk. I am trying to determine the feasibility of doing this with windows ...
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2answers
64 views

Benefits of 64GB+ of ram, partly regarding superfetch

I already have a very fast computer with a SSD, a 700 series GPU, and a Intel Xeon. That said I am considering upgrading my RAM to 64GiB (from 16GiB), possibly more. Im wondering if windows ...
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1answer
48 views

How to partition a volatile physical RAM drive before fstab runs?

since I switched to linux a couple of days ago, I try to configure my machine. The last thing is: I have a physical RAM drive with 16GB DDR2 Ram. This device mounts as a real physical SATA harddrive. ...
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1answer
49 views

Caching directories content in RAM - “ram disk” without “disk”?

I have a large C# solution and 16GB RAM. I want ReSharper to work faster with my code. How can I make some files and directories to be always cached in ram? They should be flushed to HDD in a ...
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0answers
62 views

HDD led blinking without writes, why?

I bought refurbished Dell laptop with SSD and began worried about SSD life etc, especially when I saw how Chrome writes cache (hdd led blinks) every time when I load a page. What I did, based on this ...
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1answer
51 views

RAM upgrade for HP Envy 17 fails to boot

My laptop is HP Envy 17 touchsmart model 17-j013cl. When I bought it, it had 2GB RAM installed. I needed to upgrade the RAM and bought another identical 2GB RAM. Now the laptop does not show me even ...
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0answers
38 views

Disable kernel module loading on custom initramfs.igz

my machine, which runs GNU/Funtoo Linux on one of the 2 raid0 arrays it has, needs an initramfs with dmraid support to boot into the system. During the last 7 years i've been using a custom initramfs ...
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5answers
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RAMDISK OS? Installing Windows 10 on a ramdisk

Is it possible to put the entire operating system on a ram disk? If I have 16 GB of RAM and it is an Intel Xeon. I don't have an SSD and my hard drive is killing my boot time. So can I just allocate ...
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1answer
51 views

is there any risk of system failure when placing temp folders in a volatile ramdisk?

There is many info about moving temp folder to a ramdisk is a good idea to increase the SSD life. So, I tested it with my user temp folder and I have no problems, even the ramdisk is volatile. But ...
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1answer
92 views

Save an instance of a program from RAM for quick starting

Is there any possible way to save an instance of an individual program, after it has been loaded into RAM, then load that program back into RAM from that saved instance. Here's a specific example. I ...
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1answer
493 views

Is it possible to upgrade 16GB ram for any corei5, 5th Gen Laptop?

I am little bit confuse about upgrading my RAM for laptop. I just want to extend RAM to 12GB by adding another 8GB in this laptop. Is it possible? If yes, then why everywhere it is mentioned that ...
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1answer
42 views

PC cant even boot after BIOS clock changes

I've been having problems with my RAM and tried to overclock it to fix the issue. I changed NorthBridge from 2400mhz to 2800mhz. When turning on, monitor does not react at all, GPU and monitor all ...
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1answer
70 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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1answer
54 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
334 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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1answer
8k 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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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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1answer
134 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
75 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
124 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
525 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
268 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
273 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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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
259 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
89 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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1answer
175 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
353 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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478 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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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
5k 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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0answers
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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
355 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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316 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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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
111 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
528 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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1answer
402 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
417 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
346 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
10k 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
699 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
395 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
286 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
301 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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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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10answers
8k 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.