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 insert 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
The Tablespace Monitor and Table Monitor are deprecated and
will be removed in a future MySQL release. Similar
information for the Table Monitor can be obtained from
INFORMATION_SCHEMA tables. See
Section 21.29, “INFORMATION_SCHEMA Tables for InnoDB”.
For additional information about
Mark Leith: InnoDB Table and Tablespace Monitors