Robin Smith <[EMAIL PROTECTED]> writes:
> dump -0 -f - /dev/yourfilesystem |bzip2 -c >dump.bz
I compressed a filesystem dump (on Athlon 64/3200+, i386 OS) and
bzip2 compressed to 50% of 2 GB in 1118 sec
gzip compressed to 52% of 2 GB in 306 sec
But bzip2 can compress much better than that on some stuff.
If your goal is a small backup, bzip compresses better.
If your goal is a quick backup to disk, gzip is faster.
If your goal is a quick backup to tape, bzip is faster
because tape is so slow, unless your CPU can't keep up.
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