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Question about 'Why do even the smallest files take up so much disk space?'
Thursday, September 5, 2002 at 6:23 pm
Windows XP Annoyances Discussion Forum
Posted by Dom De Vitto
(1 messages posted)
There is an easy way to sort this: convert your filesystem to NTFS and compress all
the files (that you can). This has many benifits:
1) files <1024 bytes get stored in the MFT, not in 512+ byte clusters.
2) #1 means file size *after* compression.
3) Compression speeds *up* access.
Point #3 I read in windows NT mag a couple of years back. Basically your CPU can
decompress faster than your IO subsystem can read. Also compression effectively doubles
the size of the in-memory disk cache.
I usually boot into safe mode and select all the top level directories and make them
compressed, that makes sure that everying that can be is compressed (programs/files
can't be compressed if they are in use)
Also make sure you don't leave the root of the drive as compressed (e.g. in the C
drive properties box), as reinstalling seems to require an uncompressed root folder
(dunno why...)
Dom
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