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Top Forums UNIX for Advanced & Expert Users Whats the fastest UNIX compression utility you know of. Post 302201179 by bakunin on Saturday 31st of May 2008 04:03:49 PM
Old 05-31-2008
The problem with gzip is that it is still strictly single-threaded, so it won't scale on a multiprocessor system. A solution to this could be to write a script which "tar"s the source into several distinct tar-files (there should be some mechanism to balance the size of the different files) and gzip these archives simultaneously.

Regarding the "waste of space": it is possible to feed gzip directly via a pipeline:

Code:
tar -cf - <source> | gzip -9 > <destination>

should work.

I hope this helps.

bakunin
 

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GZFORCE(1)						      General Commands Manual							GZFORCE(1)

NAME
gzforce - force a '.gz' extension on all gzip files SYNOPSIS
gzforce [ name ... ] DESCRIPTION
gzforce forces a .gz extension on all gzip files so that gzip will not compress them twice. This can be useful for files with names trun- cated after a file transfer. On systems with a 14 char limitation on file names, the original name is truncated to make room for the .gz suffix. For example, 12345678901234 is renamed to 12345678901.gz. A file name such as foo.tgz is left intact. SEE ALSO
gzip(1), gznew(1), gzmore(1), gzgrep(1), gzdiff(1), gzexe(1) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgzip | +--------------------+-----------------+ |Interface Stability | External | +--------------------+-----------------+ NOTES
Source for gzip is available in the SUNWgzipS package. GZFORCE(1)
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