The Ultimate Guide to High Availability with MariaDB

Performance Schema events_transactions_summary_by_user_by_event_name Table

MariaDB starting with 10.5.2

The events_transactions_summary_by_user_by_event_name table was introduced in MariaDB 10.5.2.

The events_transactions_summary_by_user_by_event_name table contains information on transaction events aggregated by user and event name.

The table contains the following columns:

+----------------------+---------------------+------+-----+---------+-------+
| Field                | Type                | Null | Key | Default | Extra |
+----------------------+---------------------+------+-----+---------+-------+
| USER                 | char(32)            | YES  |     | NULL    |       |
| EVENT_NAME           | varchar(128)        | NO   |     | NULL    |       |
| COUNT_STAR           | bigint(20) unsigned | NO   |     | NULL    |       |
| SUM_TIMER_WAIT       | bigint(20) unsigned | NO   |     | NULL    |       |
| MIN_TIMER_WAIT       | bigint(20) unsigned | NO   |     | NULL    |       |
| AVG_TIMER_WAIT       | bigint(20) unsigned | NO   |     | NULL    |       |
| MAX_TIMER_WAIT       | bigint(20) unsigned | NO   |     | NULL    |       |
| COUNT_READ_WRITE     | bigint(20) unsigned | NO   |     | NULL    |       |
| SUM_TIMER_READ_WRITE | bigint(20) unsigned | NO   |     | NULL    |       |
| MIN_TIMER_READ_WRITE | bigint(20) unsigned | NO   |     | NULL    |       |
| AVG_TIMER_READ_WRITE | bigint(20) unsigned | NO   |     | NULL    |       |
| MAX_TIMER_READ_WRITE | bigint(20) unsigned | NO   |     | NULL    |       |
| COUNT_READ_ONLY      | bigint(20) unsigned | NO   |     | NULL    |       |
| SUM_TIMER_READ_ONLY  | bigint(20) unsigned | NO   |     | NULL    |       |
| MIN_TIMER_READ_ONLY  | bigint(20) unsigned | NO   |     | NULL    |       |
| AVG_TIMER_READ_ONLY  | bigint(20) unsigned | NO   |     | NULL    |       |
| MAX_TIMER_READ_ONLY  | bigint(20) unsigned | NO   |     | NULL    |       |
+----------------------+---------------------+------+-----+---------+-------+

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