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Date:      Thu, 4 Jul 2013 19:51:52 +0400 (MSK)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Volodymyr Kostyrko <c.kworr@gmail.com>
Cc:        freebsd-fs@freebsd.org, avg@freebsd.org
Subject:   Re: ZFS default compression algo for contemporary FreeBSD versions
Message-ID:  <alpine.BSF.2.00.1307041950400.2446@woozle.rinet.ru>
In-Reply-To: <51D576E1.6030803@gmail.com>
References:  <alpine.BSF.2.00.1307041620420.2446@woozle.rinet.ru> <51D576E1.6030803@gmail.com>

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On Thu, 4 Jul 2013, Volodymyr Kostyrko wrote:

> 04.07.2013 15:22, Dmitry Morozovsky wrote:
> > Collegues,
> > 
> > is it sane to just set 'zfs compression=on dataset' to achieve best algo on
> > fresh FreeBSD systems (-current and/or stable/9)?
> 
> No and this is not safe AFAIK. Default compression is still lzjb and
> bootloader can't boot oof datasets compressed with lzjb. However on stable/9
> you can simply set zfs compression=lz4 pool and everything would work fine if
> you updated the boot loader.

I did not intend to compress root/boot datasets (and there is no much sense in 
this AFAICS); 

the second (and actually more important) my question is -- is lz4 in general 
better than lzjb?


-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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