Performance Schema events_stages_summary_by_account_by_event_name Table
The table lists stage events, summarized by account and event name.
It contains the following columns:
| Column | Description |
|---|---|
USER | User. Used together with HOST and EVENT_NAME for grouping events. |
HOST | Host. Used together with USER and EVENT_NAME for grouping events. |
EVENT_NAME | Event name. Used together with USER and HOST for grouping events. |
COUNT_STAR | Number of summarized events, which includes all timed and untimed events. |
SUM_TIMER_WAIT | Total wait time of the timed summarized events. |
MIN_TIMER_WAIT | Minimum wait time of the timed summarized events. |
AVG_TIMER_WAIT | Average wait time of the timed summarized events. |
MAX_TIMER_WAIT | Maximum wait time of the timed summarized events. |
Example
SELECT * FROM events_stages_summary_by_account_by_event_name\G
...
*************************** 325. row ***************************
USER: NULL
HOST: NULL
EVENT_NAME: stage/sql/Waiting for event metadata lock
COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
*************************** 326. row ***************************
USER: NULL
HOST: NULL
EVENT_NAME: stage/sql/Waiting for commit lock
COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
*************************** 327. row ***************************
USER: NULL
HOST: NULL
EVENT_NAME: stage/aria/Waiting for a resource
COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
Comments
Comments loading...
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.
