Date: Fri, 14 Oct 2011 12:58:50 -0500 (CDT) From: Bob Friesenhahn <bfriesen@simple.dallas.tx.us> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS/compression/performance Message-ID: <alpine.GSO.2.01.1110141251350.19664@freddy.simplesystems.org> In-Reply-To: <20111014152309.GA75162@icarus.home.lan> References: <alpine.BSF.2.00.1110111710210.12895@Elmer.dco.penx.com> <j73vl7$v02$1@dough.gmane.org> <CAHHaOua7zwp4DCgcU4bSFG2d-Kz-j_ovV7YiSMqmy700wFjBHg@mail.gmail.com> <20111012165126.GA26562@icarus.home.lan> <20111014152309.GA75162@icarus.home.lan>
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On Fri, 14 Oct 2011, Jeremy Chadwick wrote: > > I will try to find a Solaris 10 test system at work later today and > tinker with compression there to see if it behaves the same, but given > what Bob described below I'm doubting it will: > > http://lists.freebsd.org/pipermail/freebsd-fs/2011-October/012726.html It needs to be a new enough Solaris 10 release. Perhaps U8 or U8 plus a kernel patch. If you run 'prstat' you will see at least one 'zpool-poolname' thread per pool. I notice that these are all priority 99 (very high) on my system while it is idle. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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