Buffer Pool on SQL Server Scriptshttps://www.sqlserver70.com/tags/buffer-pool/Recent content in Buffer Pool on SQL Server ScriptsHugo -- gohugo.ioenSQLServer70.comSun, 12 Jul 2026 00:00:00 +0000Break Down Buffer Pool Memory by Databasehttps://www.sqlserver70.com/post/buffer-pool-memory-by-database-dm-os-buffer-descriptors/Sun, 12 Jul 2026 00:00:00 +0000https://www.sqlserver70.com/post/buffer-pool-memory-by-database-dm-os-buffer-descriptors/ <p><code>sys.dm_os_buffer_descriptors</code> is the DMV that maps SQL Server's data cache down to the individual page level — one row per 8 KB page currently held in the buffer pool, tagged with the <code>database_id</code> and <code>file_id</code> it belongs to. Rolling those rows up with a simple <code>GROUP BY database_id</code> turns millions of individual page entries into a short, sortable list showing exactly how much of the instance's memory each database is holding onto right now.</p>