I use MariaDB galera cluster 10.0.31 with 3 nodes.

In one node when I tail -f err log to monitor server, Every 20 seconds MySQL dumping Show InnoDB Status to err log, and the log are getting bigger.

I don't know Which variable cause to dump output Innodb status to Err log file!

1 Answer 1


The variable you're looking for is innodb_status_output. Setting it to OFF should stop the innodb status from being dumped into the error log.

  • Thank you. I think in certain conditions Galera Cluster Enable this variable automatically but I don't sure
    – HamoonDBA
    Aug 9, 2017 at 4:39
  • InnoDB status will be automatically dumped to the logs in some conditions, for example when you have abnormal locks.
    – tanji
    Aug 9, 2017 at 11:00

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