[CentOS] Tar so slow! Is there anything faster?
cpolish at surewest.net
cpolish at surewest.net
Fri Jan 7 05:32:17 UTC 2011
On Thu, Jan 06, 2011 at 08:15:16PM +0100, Leonard den Ottolander wrote:
> Hello Dotan,
>
> On Thu, 2011-01-06 at 16:19 +0200, Dotan Cohen wrote:
> > On Thu, Jan 6, 2011 at 16:08, Arun Khan <knura9 at gmail.com> wrote:
> > > bzip2 will slow down the operation. If you don't really need
> > > compressed than simply do "tar cf <tar file> <dir/file list>"
>
> > Yup, that's what I'm doing now! Thanks.
>
> Gzip is pretty fast and still should give you decent compression. In
> most cases the highest compression will hardly give you better
> compression than the default level of 6, so just go with the default
> (tar cz). Use bzip2 only if space is a big concern.
pigz is a valuable tool for anyone needing gzip compression
and having > 1 cpu. It runs multiple (parallel) gzip's for
a huge speedup. I've been using it for months - very stable.
To use with Gnu tar: "--use-compress-program /usr/local/bin/pigz".
Download from:
http://pkgs.org/centos-5-rhel-5/rpmforge-i386/pigz-2.1.6-1.el5.rf.i386.rpm.html
Homepage: http://www.zlib.net/pigz/
Review: http://andrew.tumblr.com/post/344920968
--
Charles Polisher
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