gzip vs. bzip2 vs. rzip for log files

with my curiousity piqued by jeremy’s tests of gzip vs. bzip2 vs. rzip using a bunch of mail as the test data, i tried compressing an apache log file with the three tools, plus lzop:

programcpu time (s)size
gzip -932.40027,036,433
bzip2 -9849.48915,496,248
lzop -980.81032,531,485

the original file size is 295,927,205.

it’s too bad rzip can’t decompress to a stream. that makes it much less attractive as a log compression solution.

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