some ssd benchmarks

some_ssd_benchmarks

Tools:

# hdparm -Tt /dev/sdb /dev/sda
$ dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
# echo 3 > /proc/sys/vm/drop_caches
$ dd if=tempfile of=/dev/null bs=1M count=1024
$ dd if=tempfile of=/dev/null bs=1M count=1024



======================================================================================



bonnie++
--------------------------------------------------------------------------------------

Intel 530 120GB:

╰─➤  bonnie++ -d /ming/tmp -r 2048
Writing a byte at a time...done
Writing intelligently...done
Rewriting...done
Reading a byte at a time...done
Reading intelligently...done
start 'em...done...done...done...done...done...
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...done.
Create files in random order...done.
Stat files in random order...done.
Delete files in random order...done.
Version  1.97       ------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
jin-pc           4G   899  94 248333  23 253263  13  5278  98 +++++ +++ +++++ +++
Latency             19711us     285ms    2780ms    3431us     103us      44us
Version  1.97       ------Sequential Create------ --------Random Create--------
jin-pc              -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  8812   7 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency              2195us     785us    2609us     152us      18us     197us
1.97,1.97,jin-pc,1,1411271702,4G,,899,94,248333,23,253263,13,5278,98,+++++,+++,+++++,+++,16,,,,,8812,7,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,19711us,285ms,2780ms,3431us,103us,44us,2195us,785us,2609us,152us,18us,197us