PHPStorm is taking a lot of storage space
Mac OS X is telling me that PHPStorm is using over 5GB size as application. See attached screenshot. At the same time Webstorm is using only ~500MB.

I tried invalidating cache: https://www.jetbrains.com/help/phpstorm/cleaning-system-cache.html
I also checked the size of settings, cache, logs folder here: https://intellij-support.jetbrains.com/hc/en-us/articles/206544519-Directories-used-by-the-IDE-to-store-settings-caches-plugins-and-logs
But it is only a couple of hundred megabytes. I am running older version of PHPStorm, so I checked the WebIde folders.
When checking directly application size of PhpStorm.app, it says it is 1,7GB. So either Mac OS X doesn't know how to calculate size or where is that 3,7GB of used space by PHPStorm?
Any help would be appriciated.
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What IDE version are you using? What's the Xmx size in Help > Edit Custom VM Options?
I have PHPStorm version 10.0.4 (old, I know :) and Xmx is:
Well, the only space occupied by PhpStorm - are installation files & caches & config. You seem to have already checked this. Not sure how Mac calculates this: probably it sums up project sizes that were opened in IDE?
Ok, thanks for confirming this Dmitry.
How can I clean these caches? I have 8.6GB of cached data
Maxval1991, follow https://www.jetbrains.com/help/phpstorm/invalidate-caches.html#clear-system-cache.