## MONITOR_LOCK

### Definition

The monitor system table MONITOR_LOCK contains information about operations performed by the lock management functions of the database system.

### Structure

DESCRIPTION Column

Value | Explanation
Lock list avg used entries | Average number of entries in the lock list
Lock list max used entries | Maximum number of entries in the lock list
Lock list collisions | Number of lock collisions
Lock list escalations | Number of lock escalations
Lock list inserted row entries | Number of inserted row locks
Lock list inserted table entries | Number of inserted table locks
Detected deadlocks | Number of situations where at least two transactions collided with each other due to held and requested locks in such a way that this collision can be resolved only by implicitly ending a transaction
Request timeouts | Number of lock requests that could not be satisfied because they had exceeded the maximum wait time

See also:

MONITOR

Concepts of the Database System, Locking for Database Objects