sys.dm_os_memory_cache_entries (Transact-SQL)
Returns information about all entries in caches. Use this view to trace cache entries to their associated objects. You can also use this view to obtain statistics on cache entries.
Column name |
Data type |
Description |
|---|---|---|
cache_address |
varbinary(8) |
Address of the cache. Is not nullable. |
name |
nvarchar(256) |
Name of the cache. Is not nullable. |
type |
varchar(60) |
Type of cache. Is not nullable. |
in_use_count |
int |
Number of concurrent users of this cache entry. Is not nullable. |
is_dirty |
bit |
1 = This cache entry has changes that have not been persisted. Is not nullable. |
entry_address |
varbinary(8) |
Address of the descriptor of the cache entry. Is not nullable. |
entry_data_address |
varbinary(8) |
Address of the user data in the cache entry. 0x00000000 = Entry data address is not available. Is not nullable. |
in_use_count |
int |
Number of concurrent users of this cache entry. Is not nullable. |
is_dirty |
bit |
Indicates whether this cache entry has changes that are not persisted. Is not nullable. |
disk_ios_count |
int |
Number of I/Os incurred because of this entry. Is not nullable. |
context_switches_count |
int |
Number of context switches incurred because of this entry. Is not nullable. |
original_cost |
int |
Original cost of the entry. This value is an approximation of the number of I/Os incurred, CPU instruction cost, and the context switch count. The greater the cost, the lower the chance that the item will be removed from the cache. Is not nullable. |
current_cost |
int |
Current cost of the cache entry. This value is updated during the process of entry purging. Current cost is reset to its original value on entry reuse. Is not nullable. |
memory_object_address |
varbinary(8) |
Address of the associated memory object. Is nullable. |
pages_allocated_count |
bigint |
Number of 8-KB pages to store this cache entry. Is not nullable. |
entry_data |
nvarchar(2048) |
Serialized representation of the cached entry. This information is cache implementation dependant. Is nullable. |
Permissions
Requires VIEW SERVER STATE permission on the server.