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[](https://www.npmjs.com/package/p3x-ramdisk/)

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# RAM disk persistent with Systemd timer, service and suspend

This is an open source project. Just code.

### Node Version Requirement

``` >=7.8.0 ```

### Built on Node ```

v8.2.1

```

The ```async``` and ```await``` keywords are required.

Install NodeJs: https://nodejs.org/en/download/package-manager/

# Description

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## IntelliJ Speed Based on: http://sheroz.com/pages/blog/improving-development-performance-moving-intellij-idea-cache-ramdisk.html ```text After all these tricks I tried to open my current project with IntelliJ IDEA 12 … Wow!!! It is fantastic! Works like a … sword!!! Why sword?! I don’t know exactly. May be because of Darcula theme. This is just first thought what came to my mind seeing the overall results. The Intellij IDEA 12 now works as a lightsaber sword, as a weapon of a Jedi Knight, which you can trust in Java world! ```

* Requires tmpfs, bash, fstab, rsync, memory :) * Usually, all requirements of every Unix flavor are installed by default * SystemD * Service * Timer * Suspend * RAM disk to HDD * Linux, Unix, BSD, macOS * Should might need some tuning, but the functions are there, I just only tested in Linux.

## Intel Optane I think my ramdisk is faster. :) Ciao!!!

# Use case Speed up IntelliJ and development Node. (Tons of files.) The result is that the development is many folds faster. No waiting at all. # Install ```text patrikx3@workstation ~ $ p3x-ramdisk install --help Usage: install [options] <uid> Install a p3x-ramdisk Options: -h, --help output usage information -r, --rampath [path] The path of the ram disk, default /home/$USERNAME/ramdisk -p, --persistent [path] The path of the ram persistent, default /home/$USERNAME/ramdisk-persistent -g, --gid [group] The gid, it you omit it is the current user -t, --timer [minutes] The timer in minutes, minimum about 10 minutes, Default is 20 minutes, the best

-s, --size [megabytes] Ramdisk in size of megabytes, default is 4096 megabytes

``` # IMPORTANT Trash is disabled in GNOME with p3x-ramdisk. It will ask for confirm to delete data. You might have it in the previous save. It is possible to enable trash bin, but for me is not important now, so I disabled, memory is not cheap. # Setup **Use GitHub for info, NPM hides wide strings.** https://github.com/patrikx3/ramdisk ```bash # of course your data will never be deleted, # double persistence (current, previouse, saves every 20 minutes) # load on boot, plus at shutdown and suspend it saves sudo npm install -g p3x-ramdisk # install # if you need less/more memory, add -s 1024 or even more, 10GB is good :)

sudo p3x-ramdisk install $USERNAME

# Get the output, add to /etc/fstab

echo "tmpfs /home/patrikx3/ramdisk tmpfs gid=10000,uid=10000,size=4096M 0 0" | sudo tee -a /etc/fstab

sudo mount -a # you should verify the ramdisk is existing now, you might have to reboot # on linux it can show your settings, like below: df -h # if there is an error, you can sudo p3x-ramdisk stop # if all good # STARTUP THE RAMDISK PERSISTENT sudo p3x-ramdisk start # you can work like here # /home/$USERNAME/ramdisk/persistence/content # SOME DEBUG p3x-ramdisk watch # to trigger a savs p3x-ramdisk save # you don't need usually to save # the default is 20 minutes # the systemd service saves on suspend and shutdown # to stop the services # removes sync, so the ramdisk files will be unavailable, # only be in /home/username/ramdisk-persistent/current sudo p3x-ramdisk stop # your duplicate copies are ls -all /home/$USERNAME/ramdisk-persistent/current/ ls -all /home/$USERNAME/ramdisk-persistent/previous/ # you are done # the default use case is to speed up working with IntelliJ and my projects to ramdisk # if you just want persistent folder and that's all # there is a special folder, .p3x-ramdisk-link # everything there is linked into /home/$USERNAME # if there is nothing in .p3x-ramdisk-link # no linking is. to test it, you might not need it. ```

## Linkin' in /home

```bash ### //LINKING - NOT REQUIRED p3x-ramdisk save sudo p3x-ramdisk stop mkdir -p /home/$USERNAME/ramdisk-persistent/current/.p3x-ramdisk-link cp -avr /home/$USERNAME/.IntelliJIdea2017.1 /home/$USERNAME/ramdisk-persistent/current/.p3x-ramdisk-link # backup mkdir -p /home/$USERNAME/backup mv /home/$USERNAME/.IntelliJIdea2017.1 /home/username/backup/ # need to delete the originals, since they become symlinks rm -rf /home/$USERNAME/.IntelliJIdea2017.1 sudo p3x-ramdisk start ### //LINKING:END ``` # Output ## Install ```text patrikx3@laptop:~/ramdisk/persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ sudo p3x-ramdisk install patrikx3 -s 6144 2017-05-08 00:30:08: terminal install 2017-05-08 00:30:08: terminal copy 2017-05-08 00:30:08: terminal suspend 2017-05-08 00:30:08: terminal reload services 2017-05-08 00:30:08: terminal install done Settings: { "rampath": "ramdisk", "persistent": "ramdisk-persistent", "uid": "patrikx3", "uidNumber": 10000, "gid": "patrikx3", "timer": 20,

"size": "4096",

"home": "/home/patrikx3", "script": "/home/patrikx3/.p3x-ramdisk" } Final commands: -------------------------- 1) You only have to do it once, if you haven't done it before

echo "tmpfs /home/patrikx3/ramdisk tmpfs gid=10000,uid=10000,size=4096M 0 0" | sudo tee -a /etc/fstab

sudo mount -a -------------------------- 2) verify that ramdisk is working, see it here df -h -------------------------- 3) if everything is ok, start the persistent ramdisk sudo p3x-ramdisk start patrikx3@laptop:~/ramdisk/persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ ``` ## Watching the RAM disk ```bash p3x-ramdisk watch ``` ``` Filesystem Size Used Avail Use% Mounted on

tmpfs 4,0G 2,0G 2,1G 50% /home/patrikx3/ramdisk

total used free shared buff/cache available Mem: 31G 3,3G 18G 2,0G 9,8G 25G Swap: 8,0G 0B 8,0G

Load: 2017-05-27 09:01:49 2017-05-27 09:01:56 0 minutes 7 seconds Save: 2017-05-27 09:20:00 2017-05-27 09:20:16 0 minutes 16 seconds

2017-05-27 09:20:00: timer save, ramdisk to current 2017-05-27 09:20:00: timer save /home/patrikx3/ramdisk/persistence/content to /home/patrikx3/ramdisk-persistent/current 2017-05-27 09:20:16: timer saved 2017-05-27 09:20:16: timer save done 2017-05-27 09:20:16: timer 0 minutes 16 seconds

5/27/2017, 9:24:45 AM | Persistence 20 minutes | Watch 1 second

``` # LOGS ``` /home/username/ramdisk-persistent/ramdisk-persistent.log ``` ``` /home/username/ramdisk-persistent/update-at-load.log ``` ``` /home/username/ramdisk-persistent/update-at-save.log ``` ## LOG info ```text 2017-05-06 02:57:37: boot loading 2017-05-06 02:57:37: boot load /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk/persistence/content 2017-05-06 02:57:47: boot loaded 2017-05-06 02:57:47: boot link 2017-05-06 02:57:47: boot link /home/patrikx3/ramdisk/persistence/content/.IntelliJIdea2017.1 to /home/patrikx3/.IntelliJIdea2017.1 2017-05-06 02:57:47: boot link /home/patrikx3/ramdisk/persistence/content/Projects to /home/patrikx3/Projects 2017-05-06 02:57:47: boot link done 2017-05-06 02:57:47: boot 0 minutes 10 seconds 2017-05-06 02:57:47: timer save 2017-05-06 02:57:47: timer save, current to previous 2017-05-06 02:57:47: timer save /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk-persistent/previous 2017-05-06 02:57:50: timer saved 2017-05-06 02:57:50: timer save, ramdisk to current 2017-05-06 02:57:50: timer save /home/patrikx3/ramdisk/persistence/content to /home/patrikx3/ramdisk-persistent/current 2017-05-06 02:57:53: timer saved 2017-05-06 02:57:53: timer save done 2017-05-06 02:57:53: timer 0 minutes 6 seconds ``` ## LOG Update ```text 2017-05-06 03:31:51 2017-05-06 03:31:57 0 minutes 6 seconds ``` # Thunder ramdisk persistence ```text patrikx3@workstation ~/ramdisk-persistent/current/.p3x-ramdisk-link $ ll total 32 drwxr-xr-x 8 patrikx3 patrikx3 4096 May 7 13:04 ./ drwxr-xr-x 3 patrikx3 patrikx3 4096 May 7 13:02 ../ drwxr-xr-x 4 patrikx3 patrikx3 4096 Apr 25 17:51 .IntelliJIdea2017.1/ patrikx3@workstation ~/ramdisk-persistent/current/.p3x-ramdisk-link $ ``` [//]: #@corifeus-footer ---

[**P3X-RAMDISK**](https://pages.corifeus.com/ramdisk) Build v1.0.218-51

[Corifeus](http://www.corifeus.com) by [Patrik Laszlo](http://patrikx3.com)

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