# Information Schema THREAD\_POOL\_STATS Table

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This table is available from MariaDB 10.5.
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The table provides performance counter information for the [thread pool](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/buffers-caches-and-threads/thread-pool/thread-pool-in-mariadb), and contains the following columns:

| 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](https://mariadb.com/docs/server/ha-and-performance/optimization-and-tuning/buffers-caches-and-threads/thread-pool/thread-groups-in-the-unix-implementation-of-the-thread-pool#thread-creation-throttling) |
| STALLS                            | number of detected stalls                                                                                                                                                                                                                                                                 |
| POLLS\_BY\_LISTENER               |                                                                                                                                                                                                                                                                                           |
| POLLS\_BY\_WORKER                 |                                                                                                                                                                                                                                                                                           |
| DEQUEUES\_BY\_LISTENER            |                                                                                                                                                                                                                                                                                           |
| DEQUEUES\_BY\_WORKER              |                                                                                                                                                                                                                                                                                           |

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