The tag has no usage guidance.

learn more… | top users | synonyms

3
votes
1answer
60 views

How do I lock a growing directory in memory?

I want a directory to be fast to read from, like on tmpfs for some time. The closest thing is this: vmtouch -L -m 2G /path/to/mydir But this does not detect new or deleted files.
2
votes
1answer
439 views

tmpfs performance

I use avconv to make screen recording of gameplays on linux (yeah, I'm sorry, I am one of them, but I get more excited about the scripts than playing it self), but recently my harddrive has gone and ...
1
vote
1answer
30 views

If tmpfs has bigger size than your RAM, how much RAM does it use? Are applications privileged for RAM?

If there is more tmpfs configured than the size of RAM, and there is a lot of stuff stored there in the tmpfs, how is the amount of RAM available to applications determined? If applications need more ...
1
vote
1answer
303 views

What parts of the filesystem to tmpfs/squashfs/sparseimage for USB live system

I want to create a live system on a USB key / SDCard with Linux Mint 14 (KDE or Debian Edition) that stores data persistently. The USB key needs to have at least one fat32 partition. As storage for ...
2
votes
0answers
167 views

Using shared memory through tmpfs and NUMA on x86_64/Linux

Here's what I'd like to do: put a file on tmpfs but ensure that all of it (all pages of it) ends up on the same NUMA node. First, I thought this would be trivial: I'd just mmap() a tmpfs file with ...
2
votes
0answers
384 views

Moving /dev/shm/ to /run/shm in Arch?

Dolphin (The KDE4 FM) would not receive file change notifications for /dev/shm, but for /run/shm. So now I would like to migrate /dev/shm/ to /run/shm, but I couldn't find the corresponding part in ...
1
vote
0answers
383 views

How are ownership and permissions of tmpfs folders created via /etc/fstab determined?

I've created a folder /mnt/ramdisk. I've got the following line in /etc/fstab to create the ramdisk at startup and mount it to /mnt/ramdisk: tmpfs /mnt/ramdisk tmpfs ...
1
vote
0answers
235 views

tmpfs : creating file in tmpfs does not change memory usage in htop/top

I read about tmpfs and got curious to get the benefits from it. So, I created a directory and mounted as tmpfs. So, as per theory, whatever is written in tmpfs gets stored on RAM directly and lasts ...
1
vote
0answers
60 views

unlimited tmpfs

How to have the advantages of tmpfs and not be limited to its small size? I'm thinking of a shell script that runs as a daemon, monitors RAM and adds more swap files in specified folder, when memory ...
0
votes
0answers
569 views

How to disable tmpfs on /media in openSUSE?

In OS 11.4 /media is a regular directory. Whatever I put there, it stays. In OS 12.1 /media is tmpfs. Whatever I put there, on next restart is gone. The question is -- how to get rid of tmpfs on ...