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Date:      Sat, 15 Apr 2017 20:09:31 -0400
From:      Allan Jude <allanjude@freebsd.org>
To:        rgrimes@freebsd.org, Baptiste Daroussin <bapt@freebsd.org>
Cc:        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:  <fa5ef56f-e71d-6fcf-09bd-62302b641c36@freebsd.org>
In-Reply-To: <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>
References:  <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>

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From: Allan Jude <allanjude@freebsd.org>
To: rgrimes@freebsd.org, Baptiste Daroussin <bapt@freebsd.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Message-ID: <fa5ef56f-e71d-6fcf-09bd-62302b641c36@freebsd.org>
Subject: Re: svn commit: r316978 - in head: contrib/zstd etc/mtree lib
 lib/libzstd share/mk usr.bin usr.bin/zstd
References: <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>
In-Reply-To: <201704152337.v3FNb2m1014053@pdx.rh.CN85.dnsmgr.net>

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On 2017-04-15 19:37, Rodney W. Grimes wrote:
> And we need this in base for what great purpose???
>=20

It is a new faster compression algorithm from the creator of LZ4, Yann
Collet.

It offers compression ratios similar or great than gzip, but 4-6x faster
compression, and 2-3x faster decompression (in excess of 1 gigabyte per
second per core).

It will be used in ZFS shortly, and is expected to supplant gzip/bzip2
for compressed kernel/memdisk in the loader for pxeboot / iscsi boot etc.=



>=20
>> Author: bapt
>> Date: Sat Apr 15 20:05:22 2017
>> New Revision: 316978
>> URL: https://svnweb.freebsd.org/changeset/base/316978
>>
>> Log:
>>   Import zstandard 1.1.4 in base
>>  =20
>>   zstandard is a new compression library/tool which is very fast at
>>   compression/decompression
>>  =20
>>   For now import as a private library
>>


--=20
Allan Jude


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