[Dirvish] Utility to show incremental usage per image within a vault

Matthew Pressly mpressly at claborn.net
Fri May 5 17:58:59 UTC 2006


I've looked for something to do this, but have not been able to find
anything.  Is there a utility that will run on linux that
can be used to determine the incremental disk usage of all images
within a vault, starting with the most recent image and going back
in time, counting each file's size only once, regardless of the
number of hard links to it?

I.e., something that would produce output similar to:

  latest 1.2GB
  20060429 23MB
  20060428 25MB
  20060427 26MB
  ...

Basically, what I'm looking for is a way to determine how much
each vault ties up, going backward in time from the most recent.

'du --max-depth=1' run at the vault level comes close, since by 
default, it adds file size into the total only once, but the sort
order is backward, since the most recent vault is alphabetically
last rather than first.  On the other hand, using 
'du --max-depth=0 latest 20060430 20060429 ...' appears to treat
each starting directory independently, so files linked to be 
multple hard links are counted in each directories total, so the
total would look more like:
  latest 1.2GB
  20060429 1.2GB
  20060428 1.1GB
  20060427 1.1GB
  ...
which doesn't show the true incremental cost of each image.

Is there some way to do this with 'du', or is there another tool
that will do this?

-- 
Matthew



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