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 ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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