This table summarizes stage events aggregated by thread and event name, providing granular statistics on thread execution stages.
The table lists stage events, summarized by thread and event name.
It contains the following columns:
THREAD_ID
Thread associated with the event. Together with EVENT_NAME uniquely identifies the row.
EVENT_NAME
Event name. Used together with THREAD_ID for grouping events.
COUNT_STAR
Number of summarized events, which includes all timed and untimed events.
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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.
SELECT * FROM events_stages_summary_by_thread_by_event_name\G
...
*************************** 2287. row ***************************
THREAD_ID: 64
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
*************************** 2288. row ***************************
THREAD_ID: 64
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
*************************** 2289. row ***************************
THREAD_ID: 64
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