May 17, 2026, 11:40 PM

2026-05-18 06:40:19 +00:00
commit 64944cf004
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+
+---------------------------------------------------------------------------------------------------------------------------
+-- Purpose: Find out how much SQL Server memory each index or heap is currently using. Run this in the user database.
+-- More Information: https://www.mssqltips.com/sqlservertip/2393/determine-sql-server-memory-use-by-database-and-object/
+-- Revision: 2019-05-21
+--
+;WITH src
+AS (SELECT
+      [Object] = o.name,
+      [Type] = o.type_desc,
+      [Index] = COALESCE(i.name, ''),
+      [Index_Type] = i.type_desc,
+      p.[object_id],
+      p.index_id,
+      au.allocation_unit_id
+    FROM sys.partitions AS p
+      INNER JOIN sys.allocation_units AS au ON p.hobt_id = au.container_id
+      INNER JOIN sys.objects AS o ON p.[object_id] = o.[object_id]
+      INNER JOIN sys.indexes AS i ON o.[object_id] = i.[object_id] AND p.index_id = i.index_id
+    WHERE au.[type] IN (1, 2, 3)
+      AND o.is_ms_shipped = 0)
+SELECT
+  src.[Object],
+  src.[Type],
+  src.[Index],
+  src.Index_Type,
+  buffer_pages = COUNT_BIG(b.page_id),
+  buffer_mb = COUNT_BIG(b.page_id) / 128
+FROM src
+  INNER JOIN sys.dm_os_buffer_descriptors AS b ON src.allocation_unit_id = b.allocation_unit_id
+WHERE b.database_id = DB_ID()
+GROUP BY src.[Object],
+         src.[Type],
+         src.[Index],
+         src.Index_Type
+ORDER BY buffer_pages DESC;