Export (0) Print
Expand All

sys.dm_os_dispatcher_pools (Transact-SQL)

Returns information about session dispatcher pools. Dispatcher pools are thread pools used by system components to perform background processing.

Column name

Data type

Description

dispatcher_pool_address

varbinary(8)

The address of the dispatcher pool. dispatcher_pool_address is unique. Is not nullable.

type

nvarchar(256)

The type of the dispatcher pool. Is not nullable. There are two types of dispatcher pools:

  • DISP_POOL_XE_ENGINE

  • DISP_POOL_XE_SESSION

name

nvarchar(256)

The name of the dispatcher pool. Is not nullable.

dispatcher_count

int

The number of active dispatcher threads. Is not nullable.

dispatcher_ideal_count

int

The number of dispatcher threads that the dispatcher pool can grow to use. Is not nullable.

dispatcher_timeout_ms

int

The time, in milliseconds, that a dispatcher will wait for new work before exiting. Is not nullable.

dispatcher_waiting_count

int

The number of idle dispatcher threads. Is not nullable.

queue_length

int

The number of work items waiting to be handled by the dispatcher pool. Is not nullable.

Requires VIEW SERVER STATE permission on the server.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft