MONITOR LOCK

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LOCK is a class of statistics displayed by the MONITOR utility. It includes the following data items:

  • New ENQ Rate: rate of new lock (ENQ) requests (as opposed to conversions)
  • Converted ENQ: rate Rate of lock (ENQ) conversion requests
  • DEQ Rate: rate of unlock (DEQ) requests
  • Blocking AST Rate: rate of lock manager blocking ASTs delivered
  • ENQs Forced To Wait Rate: rate of occurrence of locks that could not be granted immediately, thus causing a wait
  • ENQs Not Queued Rate: rate of occurrence of locks that could not be granted immediately but requested not to be queued, and thus received an error status instead
  • Deadlock Search Rate: rate at which a deadlock search was performed
  • Deadlock Find Rate: rate at which deadlocks were found
  • Total Locks: total number of locks in the system
  • Total Resources: total number of resources in the system

See also