OS X RAM Disk
Need really fast Java IDE or browser? Then keep reading.
This app will create a RAM disk in OS-X with specified size to store the apps cache in RAM, which is known as SSD optimization - reducing disk IO or making browsing the web and programming using IntelliJ more enjoyable.
Supported apps (you can add yours):
- IntelliJ Idea 14/15
- Google Chrome
- Google Canary
- Android studio
The IntelliJ Idea (or JetBrains IDEs) are really fast after this. Be aware that for the large code base you will need to have larger RAM Disk. I don't have exact numbers, sorry, it can vary because of many factors. Mine machine have 16GB - it works very good for small code bases.
If you observing performance degradation - revise how much memory you are using and may be adding more can help.
By default script will create RAM disk of 1/4 size of your RAM.
If you need to change the size - edit
startupRAMDiskandCacheMover.sh header section. The RAM disk works with hibernate
option - you don't need to worry about this part.
If you have any issues (compatibility etc) - I am glad to have them reported in the issues tab.
- MAC OS X 10.10.2 Yosemite
- MAC OS X 10.11 EI Capitan
- MAC OS X 10.12 Sierra
Note that you have to re-run the script in order to get the ram disk back after machine restart. Currently it does not place it on startup - I'm working on it.
Give it a try before installing
$ curl -o startupRAMDiskandCacheMover.sh https://raw.githubusercontent.com/zafarella/OSX-RAMDisk/master/Contents/MacOS/startupRAMDiskandCacheMover.sh && chmod +x startupRAMDiskandCacheMover.sh && ./startupRAMDiskandCacheMover.sh
git clone email@example.com:zafarella/OSX-RAMDisk.git && OSX-RAMDisk/Contents/MacOS/startupRAMDiskandCacheMover.sh
Jetbrains IDE notes (IntelliJ)
In order to speed up the compilation and responsiveness of the IDE you can change "Project compiler output" and point it to ram disk:
and in your project/module settings (Command+down) point to this directory.
You can also set this setting by default
for your projects at the main menu, choose
File | Other Settings | Default Settings
In addition to above you can tune jvm with following flags
vim /Applications/IntelliJ\ IDEA\ 15.app/Contents/bin/idea.vmoptions
Do not use it now - the startup script does not work yet - work in progress
git clone firstname.lastname@example.org:zafarella/OSX-RAMDisk.git cd OSX-RAMDisk make install
cp OSXRamDisk.plist ~/Library/LaunchAgents cp startupRAMDiskandCacheMover.sh /usr/local/bin # note - it will close Chrome, safari idea /usr/local/bin/startupRAMDiskandCacheMover.sh
or manually do following
Close the chrome, idea or any other application you configured to use ram disk.
rm /usr/local/bin/startupRAMDiskandCacheMover.sh launchctl unload -w ~/Library/LaunchAgents/OSXRamDisk.plist rm ~/Library/LaunchAgents/OSXRamDisk.plist
If you are Linux user use