speed of bzip2 versus gzip

r17fbsd at xxiii.com r17fbsd at xxiii.com
Sat Jul 21 03:09:38 UTC 2007

At 06:03 PM 7/20/2007, James Long wrote:
>Is it normal for bzip2 to be significantly slower than gzip? If not, 
>where can I look for things that might be causing "bzip2 --fast" to 
>take 50-60 times longer to compress a (sendmail log) file than gzip?

In my experience, Yes  --  It's dreadfully slow.  Some notes in the 
man page suggest it's designed to achieve very high compression but 
with correspondingly high cpu & memory demands.  I just stick with 
gzip personally.


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