Date: Tue, 12 Feb 2008 14:58:51 +0300 From: Alexey Tarasov <me@lexasoft.ru> To: current@freebsd.org Subject: Re: Disappointing speed with ZFS Message-ID: <F871E075-AE2C-4856-8D4B-6E11B258F7DB@lexasoft.ru> In-Reply-To: <fos01d$5km$1@ger.gmane.org> References: <9DA6FFCD-11DB-4580-9314-52B0885351D8@lexasoft.ru> <fopmlp$qeh$1@ger.gmane.org> <0EF3CEE6-6F38-4713-A245-4354D34AFE75@lexasoft.ru> <9bbcef730802110921i6af516b9t855a4065884cc64b@mail.gmail.com> <79D93B0C-589E-41C6-A952-6D573297D9F9@lexasoft.ru> <foq23b$9j1$1@ger.gmane.org> <DD62C8A1-D508-497A-AFF8-008E54538280@lexasoft.ru> <foq37a$e1r$1@ger.gmane.org> <C5015455-7992-4678-848E-98DDE99F6FF5@lexasoft.ru> <fos01d$5km$1@ger.gmane.org>
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It is simple: pool: storage state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM storage ONLINE 0 0 0 ad6 ONLINE 0 0 0 errors: No known data errors On 12.02.2008, at 14:32, Ivan Voras wrote: > Alexey Tarasov wrote: >> tty ad4 ad5 =20 >> ad6 cpu >> tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni =20 >> sy in id >> 0 347 7.36 1 0.01 57.35 43 2.42 42.84 44 1.84 1 0 =20= >> 1 0 98 >> 0 606 0.00 0 0.00 58.62 31 1.76 63.02 246 15.14 0 0 =20= >> 3 0 97 >> 2 5334 0.00 0 0.00 57.14 7 0.37 64.00 355 22.20 0 0 =20= >> 2 0 97 >> 2 3194 0.00 0 0.00 0.00 0 0.00 63.35 295 18.26 0 0 =20= >> 2 1 97 >> 0 148 0.00 0 0.00 0.00 0 0.00 63.90 336 20.97 0 0 =20= >> 0 1 99 >> 0 453 0.00 0 0.00 55.87 87 4.72 64.00 290 18.14 1 0 =20= >> 3 0 96 > > Sorry, can't help you. I was expecting to see a lot of small > transactions, indicating seeking across the file system, but the =20 > numbers > seem normal enough. > > Is the drive & ZFS topology "normal" - you don't perhaps have a zpool > made of multiple partitions/slices on the same drive? Can you send the > output of "zpool status"? > -- Alexey Tarasov (\__/) (=3D'.'=3D) E[: | | | | :]=D0=97 (")_(")
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