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MySQL 8.0 Reference Manual  /  ...  /  The ps_check_lost_instrumentation View

27.4.3.23 The ps_check_lost_instrumentation View

This view returns information about lost Performance Schema instruments, to indicate whether the Performance Schema is unable to monitor all runtime data.

The ps_check_lost_instrumentation view has these columns:

  • variable_name

    The Performance Schema status variable name indicating which type of instrument was lost.

  • variable_value

    The number of instruments lost.