Documentation Home
MySQL 5.7 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 35.0Mb
PDF (A4) - 35.1Mb
Man Pages (TGZ) - 255.4Kb
Man Pages (Zip) - 360.2Kb
Info (Gzip) - 3.4Mb
Info (Zip) - 3.4Mb
Excerpts from this Manual

MySQL 5.7 Reference Manual  /  ...  /  The ps_check_lost_instrumentation View

26.4.3.23 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.