I think if using an HDD the difference will be even more noticeable. I haven’t done any benchmarks but visually this has been the biggest improvement on the overall performance for me. Now IntelliJ will use RAM for all I/O operations with cache and index files. Then symlink the directories on the RAM mount point: $ ln -s /tmp/ramdisk/intellij/caches ~/.IdeaIC2019.1/system/caches $ ln -s /tmp/ramdisk/intellij/index ~/.IdeaIC2019.1/system/index
For more info see: Directories used by the IDE to store settings, caches, plugins and logs. (Assuming we have IntelliJ Idea Community 2019.1 version installed.)įirst remove the original directories in your intellij config dir (usually ~/.IdeaIC2019.1 in Linux). Move IntelliJ caches and index to RAM mount $ sudo vim /usr/lib/tmpfiles.d/nf, with the following contents: #Type Path Mode UID GID Age Argument d /tmp/ramdisk/intellij/caches 0777 root root - d /tmp/ramdisk/intellij/index 0777 root root -Īnd now the directories we need are re-created on each boot. Create a new config file under /usr/lib/tmpfiles.d/, i.e. To create the directories on boot we can use tmpfiles.d. Since /tmp gets cleaned on reboot, our newly created directories will be deleted and if we try to launch IntelliJ an exception will be thrown since our symlinks (read on) will point to nothing. We need to create the directories on the RAM mount point where IntelliJ will write cache and index files: $ sudo mkdir -p /tmp/ramdisk/intellij/caches $ sudo mkdir -p /tmp/ramdisk/intellij/index 2a. Create `caches` and `index` directories for intellij on the mounted partition. Otherwise these things will be done on next boot. Note: don’t forget to remount your partitions with $ sudo mount -a and run $ sudo sysctl -p to activate new swappiness. This can be done in one line with: $ sudo bash -c "echo 'vm.swappiness = 10' > /etc/nf" We can also change swappiness by modifying the /etc/nf file. X-gvfs-show is optional - it will allow you to browse the partition in the file manager. You can change the size as per your needs, but I really doubt you’ll need more than 1gb, I think even 512mb should be enough, but since I have plenty of ram on my machine I just put 1gb. $ sudo vim /etc/fstab, and add the following line: # RAM mount for Intellij Idea tmpfs /tmp/ramdisk tmpfs noexec,defaults,noatime,size=1024M,x-gvfs-show,mode=1777 0 0 Open (with root rights) etc/fstab in your favorite editor, i.e. Create a mount point for RAM under `/tmp` You can speed up the IDE and reduce disk writes by moving this cache into RAM. Moving Caches and Index directories to RAMīy default IntelliJ will write its temporary files in your home dir.
INTELLIJ IDEA 15 RELEASE DATE SOFTWARE
Also note that everything that you do - you do at your own risk and I will neither be responsible nor held accountable for anything that you do to your own software and hardware. I’m also mostly using IntelliJ IDEA but most of these tweaks should apply to other JetBrains IDEs.
INTELLIJ IDEA 15 RELEASE DATE HOW TO
What I want to share is how to make your IDE perform faster.ĭisclaimer: I’m running Ubuntu 18.04 as my primary OS and some of the tweaks here will not apply to Windows without modifications. Nor will I argue for the benefits of using IntelliJ instead of any other IDE for java development - I think it’s a matter of taste and you can be as productive in VSCode or Eclipse, for example, if that’s what you’re used to. Otherwise just visit JetBrains website for more information. I’m not going to divulge into discussions about what an IntelliJ IDEA is, if you’re reading this - chances are very high that you’re already familiar with this IDE. Recently I had to reinstall my main IDE app - IntelliJ Idea - and I usually take some time to tweak the apps after a fresh install, this was no exception since I spend most of my work day in the IDE.
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