I run sysbench frequently with MySQL (not MariaDB yet) and don't recall ever seeing this error. But I use much larger values for --oltp-table-size. You used 85937 and I use 1M or larger. Maybe there is too much data contention with smaller tables, even if a large number of tables is used (128 in your case). I use a smaller number of tables - between 4 and 20.
On Thu, Jun 8, 2017 at 12:48 AM, J. Cassidy <s...@jdcassidy.eu> wrote: > Hello all, > > > have used Sysbench extensively to test MariaDB CPU load factors between > various architectures. > > I am noticing massive amounts of "[ERROR] mysqld: Deadlock found when > trying to get lock; try restarting transaction" in the MariaDB error log > during the R/W phase. The Sysbench R/W TPS rates are still respectable for > my purposes, but how do I > correct this condition?? Can I ignore this / must live with it? > I have tried three different MariaDB releases (10.0.19, 10.1.12, 10.1.24) > to narrow things down, but this message (x 1000's) is happening across all > releases in the Sysbench R/W phase. > > Here is the Sysbench command that drives the workload against MariaDB - > > sysbench --test=lua/oltp.lua --oltp_tables_count=128 > --oltp-table-size=85937 --rand-seed=42 --rand-type=uniform > --num-threads=128 --oltp-read-only=off --report-interval=2 > --mysql-socket=/var/lib/mysql/mysql.sock --max-time=201 --max-requests=0 > --mysql-user=root --percentile=99 run > > Would anyone have a tip / idea /pointer? > > > Regards, > > > JC > > > John Cassidy > > Obere Bühlstrasse 21 > 8700 Küsnacht (ZH) > Switzerland / Suisse / Schweiz > > > Mobile: +49 152 58961601 <+49%201525%208961601> (Germany) > Mobile: +352 621 577 149 <+352%20621%20577%20149> (Luxembourg) > Mobile: +41 78 769 17 97 <+41%2078%20769%2017%2097> (CH) > Landline: +41 44 509 1957 <+41%2044%20509%2019%2057> > > http://www.jdcassidy.eu > > "Aut viam inveniam aut faciam" - Hannibal. > _______________________________________________ > Mailing list: https://launchpad.net/~maria-discuss > Post to : maria-discuss@lists.launchpad.net > Unsubscribe : https://launchpad.net/~maria-discuss > More help : https://help.launchpad.net/ListHelp > > -- Mark Callaghan mdcal...@gmail.com
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