Date: Thu, 16 Sep 2010 12:42:36 +0200 From: Guido Falsi <mad@madpilot.net> To: Marian Hettwer <mh@kernel32.de> Cc: d@delphij.net, Pascal Stumpf <Pascal.Stumpf@cubes.de>, stable@freebsd.org, Xin LI <delphij@delphij.net>, Martin Matuska <mm@FreeBSD.org> Subject: Re: MFC of ZFSv15 Message-ID: <20100916104236.GB33879@megatron.madpilot.net> In-Reply-To: <c142be4dda8ae79e9fe03eb8319094ee@localhost> References: <201009152007.17320.Pascal.Stumpf@cubes.de> <201009151830.o8FIUWEZ021844@lava.sentex.ca> <4C911AB0.6090901@delphij.net> <4C91AEBF.50502@FreeBSD.org> <20100916084240.GA33879@megatron.madpilot.net> <c142be4dda8ae79e9fe03eb8319094ee@localhost>
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On Thu, Sep 16, 2010 at 10:53:02AM +0100, Marian Hettwer wrote: > On Thu, 16 Sep 2010 10:42:40 +0200, Guido Falsi <mad@madpilot.net> > wrote: > > On Thu, Sep 16, 2010 at 07:44:31AM +0200, Martin Matuska wrote: > >> I have fixed the missing bits in r212688. > >> > >> Thanks for the notice. > > > > Just a thank you message for the v15 development, MFS and this fast > > fix. Maybe this is just noise on the lists, but I think that too > > little thanks get to the FreeBSD developers, so a little noise like > > this may be beneficial. > > Agreed to that! Thanks for all the efforts in bringing ZFS to FreeBSD. > I'm running 8.1-Release with v15 without any problems. > > I just copied a 21GB MySQL datadir from a linux box to my FreeBSD/zfs > workstation. Thanks to zfs compression the 21GB only consume 10GB on > zfs. > That's massive compression :-) Related to this, I have a question. Is it convenient to put databases on a compresed filesystem? Apart from the space advantage, does it give any speed advantage/penalty? Anyone has some benchmark or objective data about this? Also are we talking about MyISAM or InnoDB tables? Or a mix of those? -- Guido Falsi <mad@madpilot.net>
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