Performance Schema events_transactions_summary_by_host_by_event_name Table

You are viewing an old version of this article. View the current version here.
MariaDB starting with 10.5.2

The events_transactions_summary_by_host_by_event_name table was introduced in MariaDB 10.5.2.

The events_transactions_summary_by_host_by_event_name table contains information on transaction events aggregated by host and event name.

The table contains the following columns:

ColumnTypeDescription
HOSTchar(60)Host for which summary is generated.
EVENT_NAMEvarchar(128)Event name for which summary is generated.
COUNT_STARbigint(20) unsignedThe number of summarized events. This value includes all events, whether timed or nontimed.
SUM_TIMER_WAITbigint(20) unsignedThe total wait time of the summarized timed events. This value is calculated only for timed events because nontimed events have a wait time of NULL. The same is true for the other xxx_TIMER_WAIT values.
MIN_TIMER_WAITbigint(20) unsignedThe minimum wait time of the summarized timed events.
AVG_TIMER_WAITbigint(20) unsignedThe average wait time of the summarized timed events.
MAX_TIMER_WAITbigint(20) unsignedThe maximum wait time of the summarized timed events.
COUNT_READ_WRITEbigint(20) unsignedThe total number of only READ/WRITE transaction events.
SUM_TIMER_READ_WRITEbigint(20) unsignedThe total wait time of only READ/WRITE transaction events.
MIN_TIMER_READ_WRITEbigint(20) unsignedThe minimum wait time of only READ/WRITE transaction events.
AVG_TIMER_READ_WRITEbigint(20) unsignedThe average wait time of only READ/WRITE transaction events.
MAX_TIMER_READ_WRITEbigint(20) unsignedThe maximum wait time of only READ/WRITE transaction events.
COUNT_READ_ONLYbigint(20) unsignedThe total number of only READ ONLY transaction events.
SUM_TIMER_READ_ONLYbigint(20) unsignedThe total wait time of only READ ONLY transaction events.
MIN_TIMER_READ_ONLYbigint(20) unsignedThe minimum wait time of only READ ONLY transaction events.
AVG_TIMER_READ_ONLYbigint(20) unsignedThe average wait time of only READ ONLY transaction events.
MAX_TIMER_READ_ONLYbigint(20) unsignedThe maximum wait time of only READ ONLY transaction events.

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.