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Space in disk decreases drastically after start

235 Views 2 Replies Latest reply: Nov 10, 2013 1:30 PM by goldfilm RSS
goldfilm Calculating status...
Currently Being Moderated
Apr 15, 2013 9:53 AM

I have a MacBook Air with 64 GB SSD, 8 GB RAM, OS 10.8.3.

 

After I was running out of space, I used the amazing program GrandPerspective and found out a few things:

 

- My sleepimage was 8 GB, taking a lot of space, but because it's exactly as my RAM, I can't do anything about it.

- I discovered that my five Apple Mail IMAP email accounts are taking a big chunk of my disk! I sorted my emails by size and erased hundreds of them with attachments from 1 MB to 80 MB.

- I got rid of huge apps I wasn't using, like Google Chrome (1 GB) and others

- I run ONYX, executed all the processes, erased all the caches, etc.

 

When I restarted my computer I went from 2 GB free to 10 GB free. Huge improvement! But after a few minutes I've noticed that my free space decreased to 9 GB, then 8 GB, then 7 GB in less than 10 minutes. Now, a day after I performed Onyx and erased a bunch of things I discovered that my actual free space is 4 GB... but half an hour later 8 GB...!

 

WHAT's GOING ONNNN?????? Will I have only 2 free GB in the next hour?

MacBook Air, OS X Mountain Lion (10.8.2)
  • Csound1 Level 7 Level 7 (32,390 points)
    Currently Being Moderated
    Apr 15, 2013 1:46 PM (in response to goldfilm)

    OSX creates temporary files while it is running, what you are seeing is normal.

     

    You have far too little space available on your hard drive. As a rule of thumb 10% (roughly) should be free while the Mac is running, even though you have a tiny hard drive you are far below that.

     

    Erasing caches is a waste of your time, the Mac has to waste its time refilling them (as you are seeing)

     

    Remove files from your drive until at least 10% (or more) is free.

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