Stored Procedure executable only after Shrink database












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I am using SQL Server 2005 (I know...it is old!) and I wrote a Stored Procedure where the main part make few JOIN and OUTER APPLY between tables with 500.000-1.000.000 rows table, then INSERT the results into a table.



I know that is not clear, but it is very hard for me to explain how the SP works without post the entire code and describe the tables and that would be too long.



The strange fact is that I shrink the database and then EXEC the query it takes 50-60 seconds to be completed while if I din't shrink the DB it never came to the end of the execution either after 2 hours.



I have checked the free space on each disk during the execution and none of them (DATA, LOGS, TemDB, local) have remarkable drop of free space so I would exclude that there are some temporary table that is too big for the disk.



What could I look at to resolve this issue and to understand what is the bottleneck before the shrink?









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    I am using SQL Server 2005 (I know...it is old!) and I wrote a Stored Procedure where the main part make few JOIN and OUTER APPLY between tables with 500.000-1.000.000 rows table, then INSERT the results into a table.



    I know that is not clear, but it is very hard for me to explain how the SP works without post the entire code and describe the tables and that would be too long.



    The strange fact is that I shrink the database and then EXEC the query it takes 50-60 seconds to be completed while if I din't shrink the DB it never came to the end of the execution either after 2 hours.



    I have checked the free space on each disk during the execution and none of them (DATA, LOGS, TemDB, local) have remarkable drop of free space so I would exclude that there are some temporary table that is too big for the disk.



    What could I look at to resolve this issue and to understand what is the bottleneck before the shrink?









    share







    New contributor




    Nicolaesse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      I am using SQL Server 2005 (I know...it is old!) and I wrote a Stored Procedure where the main part make few JOIN and OUTER APPLY between tables with 500.000-1.000.000 rows table, then INSERT the results into a table.



      I know that is not clear, but it is very hard for me to explain how the SP works without post the entire code and describe the tables and that would be too long.



      The strange fact is that I shrink the database and then EXEC the query it takes 50-60 seconds to be completed while if I din't shrink the DB it never came to the end of the execution either after 2 hours.



      I have checked the free space on each disk during the execution and none of them (DATA, LOGS, TemDB, local) have remarkable drop of free space so I would exclude that there are some temporary table that is too big for the disk.



      What could I look at to resolve this issue and to understand what is the bottleneck before the shrink?









      share







      New contributor




      Nicolaesse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I am using SQL Server 2005 (I know...it is old!) and I wrote a Stored Procedure where the main part make few JOIN and OUTER APPLY between tables with 500.000-1.000.000 rows table, then INSERT the results into a table.



      I know that is not clear, but it is very hard for me to explain how the SP works without post the entire code and describe the tables and that would be too long.



      The strange fact is that I shrink the database and then EXEC the query it takes 50-60 seconds to be completed while if I din't shrink the DB it never came to the end of the execution either after 2 hours.



      I have checked the free space on each disk during the execution and none of them (DATA, LOGS, TemDB, local) have remarkable drop of free space so I would exclude that there are some temporary table that is too big for the disk.



      What could I look at to resolve this issue and to understand what is the bottleneck before the shrink?







      sql-server sql-server-2005 stored-procedures shrink





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      asked 9 mins ago









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