sysbench --test=/usr/share/doc/sysbench/tests/db/oltp.lua
 --oltp-test-mode=complex --oltp-table-size=1000000
 --mysql-db=mydb --mysql-user=root --mysql-password=mypassword prepare

sysbench --test=/usr/share/doc/sysbench/tests/db/oltp.lua
 --oltp-test-mode=complex --oltp-table-size=1000000 --oltp-read-only=off
 --num-threads=6 --max-time=60 --max-requests=0
 --mysql-db=mydb --mysql-user=root --mysql-password=mypassword run

# hdparm -Tt /dev/sda

/dev/sda:
 Timing cached reads:   27166 MB in  2.00 seconds = 13599.63 MB/sec
 Timing buffered disk reads: 1488 MB in  3.00 seconds = 495.64 MB/sec

# dd if=/dev/zero of=/tmp/output bs=8k count=10k; rm -f /tmp/output
 10240+0 records in
 10240+0 records out
 83886080 bytes (84 MB) copied, 0.0517404 s, 1.6 GB/s

transactions: 101001 (1683.29 per sec.)

transactions: 10501  (174.95 per sec.)

transactions: 11280  (187.86 per sec.)

transactions: 10779  (179.55 per sec.)

transactions: 10595  (176.48 per sec.)

transactions: 73683  (1228.00 per sec.)

transactions: 703    (11.65 per sec.)

transactions: 643    (10.67 per sec.)

transactions: 652    (10.80 per sec.)