Information Schema THREAD_POOL_STATS Table

MariaDB starting with 10.5

The Information Schema THREAD_POOL_STATS table was introduced in MariaDB 10.5.0.

The table provides performance counter information for the thread pool, and contains the following columns:

Column
Description

Column

Description

GROUP_ID

the thread group this row is showing data for

THREAD_CREATIONS

number of threads created for this group so far

THREAD_CREATIONS_DUE_TO_STALL

number of threads created due to detected stalls

WAKES

standby thread wakeups

WAKES_DUE_TO_STALL

wakeups due to stalls

THROTTLES

how often thread creation was throttled, see also: thread-creation-throttling

STALLS

number of detected stalls

POLLS_BY_LISTENER

POLLS_BY_WORKER

DEQUEUES_BY_LISTENER

DEQUEUES_BY_WORKER

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