Updated on 2024-05-07 GMT+08:00

LOCAL_THREADPOOL_STATUS

LOCAL_THREADPOOL_STATUS displays the status of worker threads and sessions in the thread pool. This view is valid only when enable_thread_pool is set to on.

Table 1 LOCAL_THREADPOOL_STATUS columns

Name

Type

Description

node_name

text

Node name

group_id

integer

ID of the thread pool group

bind_numa_id

integer

NUMA ID to which the thread pool group is bound

bind_cpu_number

integer

Information about the CPU to which the thread pool group is bound. If no CPUs are bound, the value is NULL.

listener

integer

Number of listener threads in the thread pool group

worker_info

text

Information about threads in the thread pool, including:

  • default: number of initial threads in the thread pool
  • new: number of new threads in the thread pool
  • expect: number of expected threads in the thread pool
  • actual: number of actual threads in the thread pool
  • idle: number of idle threads in the thread pool
  • pending: number of waiting threads in the thread pool

session_info

text

Information about sessions in the thread pool, including:

  • total: number of all sessions in the thread pool
  • waiting: number of sessions waiting to be scheduled in the thread pool
  • running: number of running sessions in the thread pool
  • idle: number of idle sessions in the thread pool

stream_info

text

Information about streams in the thread pool, including:

  • total: number of all stream threads in the thread pool
  • running: number of running stream threads in the thread pool
  • idle: number of idle stream threads in the thread pool