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按理说是raid0高,下面是我用Bonnie++分别测试的两组数据测试的
raid0+1,32G内存的测试结果:
Version 1.93c ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
w8 65535M 565 99 177217 46 74627 15 2109 78 213593 20 284.6 19
Latency 25737us 907ms 996ms 189ms 16603us 69494us
Version 1.93c ------Sequential Create------ --------Random Create--------
a8 -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency 11507us 143us 415us 1291us 8us 437us
1.93c,1.93c,w8,1,1235255667,65535M,,565,99,177217,46,74627,15,2109,78,213593,20,284.6,19,16,,,,,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,25737us,907ms,996ms,189ms,16603us,69494us,11507us,143us,415us,1291us,8us,437us
raid0,16G内存的测试结果:
Version 1.93c ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
a9 65535M 431 99 174112 48 73457 14 2244 97 179223 17 136.1 9
Latency 29701us 1234ms 399ms 15031us 19255us 289ms
Version 1.93c ------Sequential Create------ --------Random Create--------
a9 -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 9901 16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency 4731us 261us 247us 1264us 8us 246us
1.93c,1.93c,w8,1,1235259529,65535M,,431,99,174112,48,73457,14,2244,97,179223,17,136.1,9,16,,,,,9901,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,29701us,1234ms,399ms,15031us,19255us,289ms,4731us,261us,247us,1264us,8us,246us
唯一的区别就是第一台的内存是32G,第二台是16G
如果要禁用cache,改如何禁用。 |
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