Add Cached Data Per Object in Memory script

Author: ktaranov

Scripts/Cached_Data_Per_Object_in_Memory.sql

@@ -0,0 +1,39 @@
+/*
+<documentation>
+ <summary>List Cached Data Per Object in Memory</summary>
+ <returns>1 data set: list Cached Data Per Object in Memory.</returns>
+ <issues>No</issues>
+ <author>Pinal Dave</author>
+ <created>2021-03-31</created>
+ <modified>2021-03-31 by Konstantin Taranov</modified>
+ <version>1.0</version>
+ <sourceLink>https://github.com/ktaranov/sqlserver-kit/blob/master/Scripts/Cached_Data_Per_Object_in_Memory.sql</sourceLink>
+ <originalLink>https://blog.sqlauthority.com/2021/03/31/sql-server-cached-data-per-object-in-memory/</originalLink>
+</documentation>
+*/
+
+SELECT COUNT (1) * 8 / 1024 AS MBUsed, 
+ OBJECT_SCHEMA_NAME(object_id) SchemaName, 
+ name AS TableName, index_id 
+FROM sys.dm_os_buffer_descriptors AS bd 
+ INNER JOIN 
+ ( 
+ SELECT object_name(object_id) AS name 
+ ,index_id ,allocation_unit_id, object_id 
+ FROM sys.allocation_units AS au 
+ INNER JOIN sys.partitions AS p 
+ ON au.container_id = p.hobt_id 
+ AND (au.type = 1 OR au.type = 3) 
+ UNION ALL 
+ SELECT object_name(object_id) AS name 
+ ,index_id, allocation_unit_id, object_id 
+ FROM sys.allocation_units AS au 
+ INNER JOIN sys.partitions AS p 
+ ON au.container_id = p.partition_id 
+ AND au.type = 2 
+ ) AS obj 
+ ON bd.allocation_unit_id = obj.allocation_unit_id 
+WHERE database_id = DB_ID() 
+GROUP BY OBJECT_SCHEMA_NAME(object_id), name, index_id 
+ORDER BY COUNT (*) * 8 / 1024 DESC;
+GO