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HT4007: Aperture 3: Frequently Asked Questions (FAQ)

Learn about Aperture 3: Frequently Asked Questions (FAQ)

HT4007 Where are the cache files or temporary files stored?

1496 Views 4 Replies Latest reply: Aug 4, 2012 1:26 AM by léonie RSS
oscarbuzz Level 1 Level 1 (0 points)
Currently Being Moderated
Aug 3, 2012 10:55 PM

I was rendering a slideshow of 253 pictures (approximately 4MB each) and I watched the available drive space on my MacBook Pro go from 23 GB available right down to zero.  The rendering did not finish and an error message came on the screen to let me know.  When I first clicked 'Export', I chose to save the finished slideshow to an external drive formatted for MacOS.  I also chose to save it as 1080p QuickTime .mov file.

 

This is my first time using Aperture and am puzzled as to why it used up that much drive space in my MacBook Pro.  I thought that it was hanging on to some unfinished render files so I quit Aperture and restarted my MacBook Pro but now I only see that I regained about 2 GB out of my original 23GB.

 

Is it correct for me to assume that there are cache files or temporary files still present somewhere?  If so, please tell me where so I can delete them and restore my available internal drive space on my MacBook Pro to 23 GB again.

 

Why did it use up so much of my internal drive space when I actually told Aperture to save the finished slideshow file to an external drive?

 

Please help.  Thanks.

MacBook Pro, Mac OS X (10.7.4), 15-inch early 2008, 4 GB SDRAM
  • léonie Level 8 Level 8 (46,380 points)

    Aperture has two cache directories that uses regularly

    1. In your user library: ~/Library/Caches/com.apple.Aperture/
    2. At System Level: There are temporary file written to a hidden area, that you can open from the Terminal by referring the system varaiable $TMPDIR.
      Open a Terminal window and enter the following command:
               open $TMPDIR

      This will open a terminal Window showin this hidden cache. I found the partially rendered movies in a subfolder called something like "TemporaryItems"

     

     

    Why did it use up so much of my internal drive space when I actually told Aperture to save the finished slideshow file to an external drive?

    The final movie will be saved to the destination you named, but Aperture needs working space for partial renderings and as much RAM as it can get. The OS will swap other applications to a swapping area of the ystem drive to free RAM for Aperture.

    Another problem could be that the destination drive you want to write to temporarily went offline. Then aperture will write to $TMPDIR instead. Check the permissions on your external volume and the connection. Is it a Network volume? This is risky, of you need a stable connection for a long render time. In that case connect the external volume directly.

     

    Regards

    Léonie

  • léonie Level 8 Level 8 (46,380 points)

    Mario,

    on no account touch the folders (1) etc, (2) tftpboot, (3) tmp, and (4) var at that level - that are important system files and install locations,

    I cannot check this on Lion right now, the $TMPDIR is a folder at a deeper nesting level of the var folder, at least on my Mt. Lion system. And the temporary items have random names for security reasons, so malware cannot guess the names.

     

    Here is what I see: the caches for my user account are in

    /var/folders/qt/dm6q98q95tdf3lv6wdxwb67m0000gp/T/TemporaryItems

     

    tmpdir.png

  • léonie Level 8 Level 8 (46,380 points)

    I just remembered - sometimes Aperture also write to /tmp, if the connection to a volume gets lost.

     

    Type into your Terminal

         open /tmp

    to browse this folder, but do not delete anything, that you do not clearly recognized as being produced by Aperture.

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