Documentation Home
MySQL 8.4 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 40.0Mb
PDF (A4) - 40.1Mb
Man Pages (TGZ) - 258.6Kb
Man Pages (Zip) - 365.6Kb
Info (Gzip) - 4.0Mb
Info (Zip) - 4.0Mb


MySQL 8.4 Reference Manual  /  ...  /  InnoDB Monitor Types

17.17.1 InnoDB Monitor Types

There are two types of InnoDB monitor:

  • The standard InnoDB Monitor displays the following types of information:

    • Work done by the main background thread

    • Semaphore waits

    • Data about the most recent foreign key and deadlock errors

    • Lock waits for transactions

    • Table and record locks held by active transactions

    • Pending I/O operations and related statistics

    • Insert buffer and adaptive hash index statistics

    • Redo log data

    • Buffer pool statistics

    • Row operation data

  • The InnoDB Lock Monitor prints additional lock information as part of the standard InnoDB Monitor output.