Export (0) Print
Expand All
Expand Minimize

sys.dm_os_memory_cache_counters (Transact-SQL)

Returns a snapshot of the health of a cache in SQL Server. sys.dm_os_memory_cache_counters provides run-time information about the cache entries allocated, their use, and the source of memory for the cache entries.

Applies to: SQL Server (SQL Server 2008 through current version).

Column name

Data type

Description

cache_address

varbinary(8)

Indicates the address (primary key) of the counters associated with a specific cache. Is not nullable.

name

nvarchar(256)

Specifies the name of the cache. Is not nullable.

type

nvarchar(60)

Indicates the type of cache that is associated with this entry. Is not nullable.

single_pages_kb

bigint

Amount, in kilobytes, of the single-page memory allocated. This is the amount of memory allocated by using the single-page allocator. This refers to the 8-KB pages that are taken directly from the buffer pool for this cache. Is not nullable.

Applies to: SQL Server 2008 through SQL Server 2008 R2.

pages_kb

bigint

Specifies the amount, in kilobytes, of the memory allocated in the cache. Is not nullable.

Applies to: SQL Server 2012 through SQL Server 2014.

multi_pages_kb

bigint

Amount, in kilobytes, of the multipage memory allocated. This is the amount of memory allocated by using the multiple-page allocator of the memory node. This memory is allocated outside the buffer pool and takes advantage of the virtual allocator of the memory nodes. Is not nullable.

Applies to: SQL Server 2008 through SQL Server 2008 R2.

pages_in_use_kb

bigint

Specifies the amount, in kilobytes, of the memory that is allocated and in use in the cache. Is nullable. Values for objects of type USERSTORE_<*> are not tracked. NULL is reported for them.

Applies to: SQL Server 2012 through SQL Server 2014.

single_pages_in_use_kb

bigint

Amount, in kilobytes, of the single-page memory that is being used. Is nullable. This information is not tracked for objects of type USERSTORE_<*> and these values will be NULL.

Applies to: SQL Server 2008 through SQL Server 2008 R2.

multi_pages_in_use_kb

bigint

Amount, in kilobytes, of the multipage memory that is being used. NULLABLE. This information is not tracked for objects of type USERSTORE_<*>, and these values will be NULL.

Applies to: SQL Server 2008 through SQL Server 2008 R2.

entries_count

bigint

Indicates the number of entries in the cache. Is not nullable.

entries_in_use_count

bigint

Indicates the number of entries in the cache that is being used. Is not nullable.

Requires VIEW SERVER STATE permission on the server.

Community Additions

ADD
Show:
© 2014 Microsoft