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Date:      Sat, 15 Apr 2017 17:01:10 -0700
From:      Conrad Meyer <cem@freebsd.org>
To:        "Rodney W. Grimes" <rgrimes@freebsd.org>
Cc:        Baptiste Daroussin <bapt@freebsd.org>, src-committers <src-committers@freebsd.org>,  svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r316978 - in head: contrib/zstd etc/mtree lib lib/libzstd share/mk usr.bin usr.bin/zstd
Message-ID:  <CAG6CVpUAw97a4Stc7OaPxcUhvQGtyaJF5ABF_DznMMXHSZNFqg@mail.gmail.com>
In-Reply-To: <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>
References:  <201704152005.v3FK5M2j002459@repo.freebsd.org> <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>

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On Sat, Apr 15, 2017 at 4:37 PM, Rodney W. Grimes
<freebsd@pdx.rh.cn85.dnsmgr.net> wrote:
> And we need this in base for what great purpose???

Can you tone down the condescension, Rod?  Being rude doesn't help you
make your case.

We already have zlib, bzip2, and xz in base.  zstd is just one more
that fills an important niche.

If you're not familiar with it, zstd is a relatively recent new
compression algorithm that provides a better compression/performance
point relative to zlib at any point along the -0/-9 curve.  It
performs favorably to bzip2 and xz as well, although it's not dominant
at all points relative to those two.  See the last figure in
https://clearlinux.org/blogs/linux-os-data-compression-options-comparing-behavior
for a better idea of what niche it fills.

Thanks,
Conrad



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