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UNIX for Advanced & Expert Users
Whats the fastest UNIX compression utility you know of.
Post 302203828 by aleks001 on Tuesday 10th of June 2008 02:06:24 AM
06-10-2008
gzip seems to be the way to go have looked at many sources can't really beat it. The compression is needed to gzip oracle nightly exports. There are hotbackups aswell and it would be worth the risk for some of the databases for compression to fail. The best solution we have come up with is using zfs disk compression, that saves us about 20 gb on a 50gb file, and since disk is pretty cheap we heading down that road 
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LEARN ABOUT LINUX
znew
ZNEW(1) General Commands Manual ZNEW(1) NAME
znew - recompress .Z files to .gz files SYNOPSIS
znew [ -ftv9PK] [ name.Z ... ] DESCRIPTION
Znew recompresses files from .Z (compress) format to .gz (gzip) format. If you want to recompress a file already in gzip format, rename the file to force a .Z extension then apply znew. OPTIONS
-f Force recompression from .Z to .gz format even if a .gz file already exists. -t Tests the new files before deleting originals. -v Verbose. Display the name and percentage reduction for each file compressed. -9 Use the slowest compression method (optimal compression). -P Use pipes for the conversion to reduce disk space usage. -K Keep a .Z file when it is smaller than the .gz file SEE ALSO
gzip(1), zmore(1), zdiff(1), zgrep(1), zforce(1), gzexe(1), compress(1) BUGS
Znew does not maintain the time stamp with the -P option if cpmod(1) is not available and touch(1) does not support the -r option. ZNEW(1)