Date: Mon, 11 Feb 2008 22:46:04 +0300 From: Alexey Tarasov <me@lexasoft.ru> To: current@freebsd.org Subject: Re: Disappointing speed with ZFS Message-ID: <C5015455-7992-4678-848E-98DDE99F6FF5@lexasoft.ru> In-Reply-To: <foq37a$e1r$1@ger.gmane.org> References: <9DA6FFCD-11DB-4580-9314-52B0885351D8@lexasoft.ru> <fopmlp$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>
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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 sy =20=
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
0 339 0.00 0 0.00 60.22 35 2.04 61.31 342 20.49 0 0 =20
3 0 96
0 311 0.00 0 0.00 60.00 24 1.41 61.48 347 20.84 0 0 =20
3 0 96
0 317 0.00 0 0.00 50.37 26 1.28 64.00 327 20.42 0 0 =20
3 0 97
0 488 0.00 0 0.00 54.05 37 1.98 64.00 284 17.78 1 0 =20
2 0 97
0 309 0.00 0 0.00 54.21 28 1.47 63.22 312 19.27 0 0 =20
3 0 97
0 303 16.00 14 0.23 37.51 51 1.87 64.00 334 20.85 1 0 =20
1 1 97
0 297 0.00 0 0.00 57.89 35 1.96 63.78 345 21.49 1 0 =20
3 0 97
0 287 0.00 0 0.00 51.86 28 1.41 64.00 325 20.34 0 0 =20
2 0 98
0 319 0.00 0 0.00 60.52 30 1.76 63.24 299 18.46 0 0 =20
4 1 94
0 277 0.00 0 0.00 63.83 22 1.38 64.00 274 17.11 1 0 =20
2 1 97
0 298 0.00 0 0.00 55.29 16 0.88 63.21 286 17.63 0 0 =20
2 0 97
0 338 12.12 31 0.36 57.65 33 1.84 62.08 299 18.13 1 0 =20
4 0 95
0 306 2.00 1 0.00 58.55 21 1.21 64.00 332 20.73 2 0 =20
2 1 95
0 269 0.00 0 0.00 59.68 24 1.40 64.00 304 18.98 1 0 =20
2 0 96
On 11.02.2008, at 21:12, Ivan Voras wrote:
> Alexey Tarasov wrote:
>> ls -lash CentOS-5.1-x86_64-bin-DVD.iso
>>
>> 4341952 -rw-r--r-- 1 lexa wheel 4,1G 7 =D1=84=D0=B5=D0=B2 16:24
>> CentOS-5.1-x86_64-bin-DVD.iso
>>
>> `--# dd if=3DCentOS-5.1-x86_64-bin-DVD.iso of=3Dtest2
>
> Ok, now try this one:
> # dd if=3DCentOS-5.1-x86_64-bin-DVD.iso of=3D/dev/null bs=3D1m
>
>>
>> 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
>> 0 351 7.33 1 0.01 57.37 44 2.44 43.02 44 1.87 1 0 =20=
>> 1 0 98
>> 0 594 0.00 0 0.00 59.00 15 0.89 62.63 301 18.38 0 0 =20=
>> 9 0 91
>> 0 287 0.00 0 0.00 59.20 25 1.44 64.00 325 20.29 1 0 =20
>> 50 0 49
>
>> On 11.02.2008, at 20:53, Ivan Voras wrote:
>>
>>> Alexey Tarasov wrote:
>>>
>>>> `--# dd if=3Dtest.tmp of=3Dtest2.tmp
>>>
>>>>
>>>> tty ad4 ad5
>>>> 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
>>>> 1 238 0.00 0 0.00 60.22 18 1.04 64.00 982 61.37 1 0 31
>>>> 2 67
>>>> 1 3349 0.00 0 0.00 64.00 7 0.43 58.53 757 43.26 1 0 46
>>>> 0 53
>>>> 0 286 0.00 0 0.00 55.81 21 1.13 64.00 487 30.43 1 0 31
>>>> 1 67
>>>> 0 269 0.00 0 0.00 64.00 8 0.50 64.00 21 1.31 2 0 49
>>>> 0 49
>>>
>>> Ok, now do the same with the file that rtorrent is hashing in the =20=
>>> "if"
>>> argument.
>
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--
Alexey Tarasov
(\__/)
(=3D'.'=3D)
E[: | | | | :]=D0=97
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