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BI SQL # 277 : SQL Server DBA Scripts : Find TOP IO Stored Procedure

April 18, 2014 Leave a comment

Hi Folks,

In this article we are going to cover How to Find TOP IO Stored Procedure.

In this post we are going to discuss following points:

  • Problem Statement of SQL Script:
  • Description of SQL Script:
  • SQL Script Output Column
  • SQL Script Code
  • SQL Script Output Screenshot
  • User Level to execute

Problem Statement of SQL Script:

How to Find TOP IO Stored Procedure ?

Description of SQL Script:

This script will find TOP IO Stored Procedure.

SQL Script Output Column

image

SQL Script Code

SELECT TOP (50) OBJECT_NAME(qt.objectid) AS [SP Name]
    ,(qs.total_logical_reads + qs.total_logical_writes
        ) / qs.execution_count AS [Avg IO]
    ,SUBSTRING(qt.[text], qs.statement_start_offset / 2, (
            CASE 
                WHEN qs.statement_end_offset = - 1
                    THEN LEN(CONVERT(NVARCHAR(max), qt.[text])
                        ) * 2
                ELSE qs.statement_end_offset
                END - qs.statement_start_offset
            ) / 2) AS [Query Text] --into TopStatementsByAverage
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
WHERE qt.[dbid] = DB_ID()
ORDER BY [Avg IO] DESC;

SQL Script Output Screenshot

image

User Level to execute

300

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