sp_blitzCache results Memory grants The Next CEO of Stack OverflowOptimising plans with XML readersBuffer Cache Size when Page Life Expectancy DropsError running sp_BlitzCache (v5.2)sp_BlitzCache errorsp_BlitzCache install syntax errorssp_BlitzCache slow results on @SortOrder='cpu'sp_BlitzCache Fails When writing to TableSQL Server 2016 - ReportServer - sp_BlitzCachesp_BlitzCache gives a “divide by zero error encountered.”sp_blitzCache against one stored procedure

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sp_blitzCache results Memory grants



The Next CEO of Stack OverflowOptimising plans with XML readersBuffer Cache Size when Page Life Expectancy DropsError running sp_BlitzCache (v5.2)sp_BlitzCache errorsp_BlitzCache install syntax errorssp_BlitzCache slow results on @SortOrder='cpu'sp_BlitzCache Fails When writing to TableSQL Server 2016 - ReportServer - sp_BlitzCachesp_BlitzCache gives a “divide by zero error encountered.”sp_blitzCache against one stored procedure










1















I am running SQL Server 2012 and and using the March 2019 release of sp_blitzCache to analyze some slow running queries on the system.



I have executed the stored procedure with parameter @SortOrder = 'Reads' and found some queries reading tons of pages (in the millions) that need to be reduced.



The odd thing is that none of these queries are returning any information for the memory grant columns, they are all null.



Why is that we can have a query returned from sp_BlitzCache doing many reads and writes, but contain nulls for all memory grant columns?



Thanks,
Kevin






sql-server-2012 sp-blitzcache







share|improve this question


























    1















    I am running SQL Server 2012 and and using the March 2019 release of sp_blitzCache to analyze some slow running queries on the system.



    I have executed the stored procedure with parameter @SortOrder = 'Reads' and found some queries reading tons of pages (in the millions) that need to be reduced.



    The odd thing is that none of these queries are returning any information for the memory grant columns, they are all null.



    Why is that we can have a query returned from sp_BlitzCache doing many reads and writes, but contain nulls for all memory grant columns?



    Thanks,
    Kevin






    sql-server-2012 sp-blitzcache







    share|improve this question
























      1












      1








      1








      I am running SQL Server 2012 and and using the March 2019 release of sp_blitzCache to analyze some slow running queries on the system.



      I have executed the stored procedure with parameter @SortOrder = 'Reads' and found some queries reading tons of pages (in the millions) that need to be reduced.



      The odd thing is that none of these queries are returning any information for the memory grant columns, they are all null.



      Why is that we can have a query returned from sp_BlitzCache doing many reads and writes, but contain nulls for all memory grant columns?



      Thanks,
      Kevin






      sql-server-2012 sp-blitzcache







      share|improve this question














      I am running SQL Server 2012 and and using the March 2019 release of sp_blitzCache to analyze some slow running queries on the system.



      I have executed the stored procedure with parameter @SortOrder = 'Reads' and found some queries reading tons of pages (in the millions) that need to be reduced.



      The odd thing is that none of these queries are returning any information for the memory grant columns, they are all null.



      Why is that we can have a query returned from sp_BlitzCache doing many reads and writes, but contain nulls for all memory grant columns?



      Thanks,
      Kevin






      sql-server-2012 sp-blitzcache




      sql-server-2012 sp-blitzcache






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 3 hours ago









      kevinnwhatkevinnwhat

      182




      182




















          1 Answer
          1






          active

          oldest

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          4














          Those columns only become available on SQL Server 2012 if it's patched up to Service Pack 3.



          Specifically:




          Update for Dm_exec_query_stats DMV to track memory grants information
          in SQL Server 2012




          And KB 3107398.



          Just as an FYI, if you're not on Service Pack 4, you're out of Microsoft support.






          share|improve this answer























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            1 Answer
            1






            active

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            active

            oldest

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            active

            oldest

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            4














            Those columns only become available on SQL Server 2012 if it's patched up to Service Pack 3.



            Specifically:




            Update for Dm_exec_query_stats DMV to track memory grants information
            in SQL Server 2012




            And KB 3107398.



            Just as an FYI, if you're not on Service Pack 4, you're out of Microsoft support.






            share|improve this answer



























              4














              Those columns only become available on SQL Server 2012 if it's patched up to Service Pack 3.



              Specifically:




              Update for Dm_exec_query_stats DMV to track memory grants information
              in SQL Server 2012




              And KB 3107398.



              Just as an FYI, if you're not on Service Pack 4, you're out of Microsoft support.






              share|improve this answer

























                4












                4








                4







                Those columns only become available on SQL Server 2012 if it's patched up to Service Pack 3.



                Specifically:




                Update for Dm_exec_query_stats DMV to track memory grants information
                in SQL Server 2012




                And KB 3107398.



                Just as an FYI, if you're not on Service Pack 4, you're out of Microsoft support.






                share|improve this answer













                Those columns only become available on SQL Server 2012 if it's patched up to Service Pack 3.



                Specifically:




                Update for Dm_exec_query_stats DMV to track memory grants information
                in SQL Server 2012




                And KB 3107398.



                Just as an FYI, if you're not on Service Pack 4, you're out of Microsoft support.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 3 hours ago









                Erik DarlingErik Darling

                22.4k1269111




                22.4k1269111



























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