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disk performance metrics with bonnie++ #267

Open ruebenramirez opened 8 years ago

ruebenramirez commented 8 years ago

http://www.jamescoyle.net/how-to/913-simple-bonnie-example

sudo bonnie++ -d /tmp -s 4G -n 0 -m TEST -f -b -u rueben

ruebenramirez commented 7 years ago

Ran into this error message: File size should be double RAM for good results, RAM is 15928M.

so I updated the size from 4G to 32G on a 1TB Samsung 850 EVO drive in my T420 ThinkPad:

*[master][~/.dotfiles]$ sudo bonnie++ -d /tmp -s 32G -n 0 -m TEST -f -b -u rramirez
Using uid:1000, gid:1000.
Writing intelligently...done
Rewriting...done
Reading intelligently...done
start 'em...done...done...done...done...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
TEST            32G           514555  39 209498  24           399734  26  3389  46
Latency                        1526ms    1798ms             22410us   22942us

1.97,1.97,TEST,1,1503198260,32G,,,,514555,39,209498,24,,,399734,26,3389,46,,,,,,,,,,,,,,,,,,,1526ms,1798ms,,22410us,22942us,,,,,,