There are four types of
InnoDB Monitor displays the
following types of information:
Table and record locks held by each active transaction.
Lock waits of a transaction.
Semaphore waits of threads.
Pending file I/O requests.
Buffer pool statistics.
Purge and change buffer merge activity of the main
InnoDB Lock Monitor prints additional
lock information as part of the standard
InnoDB Monitor output.
InnoDB Tablespace Monitor prints a list
of file segments in the shared tablespace and validates the
tablespace allocation data structures.
InnoDB Table Monitor prints the
contents of the
InnoDB internal data
For additional information about
Mark Leith: InnoDB Table and Tablespace Monitors