Performance Schema status_by_thread Table

MariaDB starting with 10.5.2

The session_status table was added in MariaDB 10.5.2.

The status_by_thread table contains status variable information about active foreground threads. The table does not collect statistics for Com_xxx variables.

The table contains the following columns:

THREAD_IDThe thread identifier of the session in which the status variable is defined.
VARIABLE_NAMEStatus variable name.
VARIABLE_VALUEAggregated status variable value.

If TRUNCATE TABLE is run, will aggregate the status for all threads to the global status and account status, then reset the thread status. If account statistics are not collected but host and user status are, the session status is added to host and user status.


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