Comment 12 for bug 791030

Following sysbench was used in #11:

sysbench --test=./oltp.lua --db-driver=mysql --mysql-engine-trx=yes --mysql-table-engine=innodb --mysql-user=root --mysql-password=test --oltp-table-size=30000 --num-threads=32 --max-requests=1000000 --oltp-tables-count=18 run