| Option | QUERY_SCHEDULER_QUERY_QUEUE_SIZE | |
| Description | Number of queries that can be enqueued on the query workers while waiting to start running. | |
| Introduced Version | 1.194 | |
| Default | 16,384 queries | |
Allows configuration of the number of queries that can be in queue on query workers. In some cases, reducing this can be helpful to protect clusters against peaks in queries.