Performance Schema events_waits_summary_by_instance Table
This table summarizes wait events per instrument instance, allowing detailed analysis of specific locks, mutexes, or conditions.
The Performance Schema events_waits_summary_by_instance table contains wait events summarized by instance. It contains the following columns:
Event name. Used together with OBJECT_INSTANCE_BEGIN for grouping events.
If an instrument creates multiple instances, each instance has a unique OBJECT_INSTANCE_BEGIN value to allow for grouping by instance.
The *_TIMER_WAIT columns only calculate results for timed events, as non-timed events have a NULL wait time.
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