• 查询sqlserver内存分配情况的SQL


    SELECT mg.granted_memory_kb, mg.session_id, t.text, qp.query_plan 
    FROM sys.dm_exec_query_memory_grants AS mg
    CROSS APPLY sys.dm_exec_sql_text(mg.sql_handle) AS t
    CROSS APPLY sys.dm_exec_query_plan(mg.plan_handle) AS qp
    ORDER BY 1 DESC OPTION (MAXDOP 1)
    USE master 
    GO

    ;WITH    cte
      AS ( SELECT   RP.pool_id ,
      RP.Name ,
      RP.min_memory_percent ,
      RP.max_memory_percent ,
      CAST (RP.max_memory_kb / 1024. / 1024. 
        AS NUMERIC(12, 2)) AS max_memory_gb ,
      CAST (RP.used_memory_kb / 1024. / 1024. 
        AS NUMERIC(12, 2)) AS used_memory_gb ,
      CAST (RP.target_memory_kb / 1024. / 1024. 
        AS NUMERIC(12,2)) AS target_memory_gb,
      CAST (SI.committed_target_kb / 1024. / 1024. 
        AS NUMERIC(12, 2)) AS committed_target_kb 
        FROM     sys.dm_resource_governor_resource_pools RP
        CROSS JOIN sys.dm_os_sys_info SI
      )
    SELECT  c.pool_id ,
      c.Name ,
      c.min_memory_percent ,
      c.max_memory_percent ,
      c.max_memory_gb ,
      c.used_memory_gb ,
      c.target_memory_gb ,  
      CAST(c.committed_target_kb  *
      CASE WHEN c.committed_target_kb <= 8 THEN 0.7
        WHEN c.committed_target_kb < 16 THEN 0.75
        WHEN c.committed_target_kb < 32 THEN 0.8
        WHEN c.committed_target_kb <= 96 THEN 0.85
        WHEN c.committed_target_kb > 96 THEN 0.9
      END * c.max_memory_percent /100 AS NUMERIC(12,2))
       AS [Max_for_InMemory_Objects_gb]
    FROM    cte c

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  • 原文地址:https://blog.csdn.net/yangyong1250/article/details/132741553