Date: Thu, 10 Jan 2013 17:08:45 +0000 From: Tom Evans <tevans.uk@googlemail.com> To: Patrick Dung <patrick_dkt@yahoo.com.hk> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: ZFS sub-optimal performance with default setting Message-ID: <CAFHbX1KR23ZSG%2BLUUCgH_UjAs4UYESK%2B-kxrta7aB=v0O8jVTA@mail.gmail.com> In-Reply-To: <1357836862.81267.YahooMailClassic@web190806.mail.sg3.yahoo.com> References: <76DE1383-BAAA-4EFD-ABA6-A9328D79D5B3@bway.net> <1357836862.81267.YahooMailClassic@web190806.mail.sg3.yahoo.com>
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On Thu, Jan 10, 2013 at 4:54 PM, Patrick Dung <patrick_dkt@yahoo.com.hk> wrote: > I have tried some tests, good and bad result is in below.......... > I am sure there is some bottleneck, and the root cause is still unknown. > Hi Patrick Correct me if I've made a mistake, but have you shown how you have configured your ZFS setup? Number and type of disks, etc, mirrored, raidz or raidz2? The output of zpool status and zfs-stats (from ports) would be useful. Cheers Tom
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