Performance Schema events_stages_summary_by_user_by_event_name Table

The table lists stage events, summarized by user and event name.

It contains the following columns:

ColumnDescription
USERUser. Used together with EVENT_NAME for grouping events.
EVENT_NAMEEvent name. Used together with USER for grouping events.
COUNT_STARNumber of summarized events, which includes all timed and untimed events.
SUM_TIMER_WAITTotal wait time of the timed summarized events.
MIN_TIMER_WAITMinimum wait time of the timed summarized events.
AVG_TIMER_WAITAverage wait time of the timed summarized events.
MAX_TIMER_WAITMaximum wait time of the timed summarized events.

Example

SELECT * FROM events_stages_summary_by_user_by_event_name\G
...
*************************** 325. row ***************************
          USER: 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
    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
    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

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