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Sql Profiler


Sql Profiler

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klineandking
klineandking
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how can i use sql profiler to monitor or track stored procedures that are running slowly in a production environment
Florian Reischl
Florian Reischl
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Hi

That's too less information. Do you have some special procedures to be traced? Do you have some general performance issues? Which kind of performance issues do you have?

Greets
Flo


The more I learn, the more I know what I do not know
Blog: Things about Software Architecture, .NET development and T-SQL

How to Post Data/Code to get the best Help How to Post Performance Problems
klineandking
klineandking
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i want to track stored procedures on the production server that are hampering performance by running slowly
Florian Reischl
Florian Reischl
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Generally..
Start profiler, remove Audit Login/Log-off and Existing Connections, remove SQL:Batch Started and Completed and keep "RPC:Completed". Use Column Filter to specify a CPU-time or a duration which means "slow" in your case and start the trace.

As you see, it's quiet hard (impossible in my opinion) to help with more information.

Greets
Flo


The more I learn, the more I know what I do not know
Blog: Things about Software Architecture, .NET development and T-SQL

How to Post Data/Code to get the best Help How to Post Performance Problems
Jack Corbett
  Jack Corbett
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I'd do as Flo has recommended although with the caveat that you may want to look at executions in addition to duration. You may get a bigger boost out of tuning a query that takes 2 seconds but runs 100 times an hour versus one that takes 20 seconds but it only run twice a day.

You should also look at the sys.dm_exec_query_stats DMV. Something like this (from BOL):

SELECT TOP 5 total_worker_time/execution_count AS [Avg CPU Time],
SUBSTRING(st.text, (qs.statement_start_offset/2)+1,
((CASE qs.statement_end_offset
WHEN -1 THEN DATALENGTH(st.text)
ELSE qs.statement_end_offset
END - qs.statement_start_offset)/2) + 1) AS statement_text
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS st
ORDER BY total_worker_time/execution_count DESC;





Jack Corbett

Applications Developer

Don't let the good be the enemy of the best. -- Paul Fleming
At best you can say that one job may be more secure than another, but total job security is an illusion. -- Rod at work

Check out these links on how to get faster and more accurate answers:
Forum Etiquette: How to post data/code on a forum to get the best help
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How to Post Performance Problems
Crosstabs and Pivots or How to turn rows into columns Part 1
Crosstabs and Pivots or How to turn rows into columns Part 2
Kash
Kash
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I would say copy the database to development and test with the following events:

-RPC:Completed
-SP:Completed

This blog discusses the topic well.
http://social.msdn.microsoft.com/Forums/en/sqltools/thread/0c922a7f-f782-4179-a42c-3b7310652463

Also this is mentioned in the sample video from this site
http://sqlserver2008tutorial.com/sql-tutorials.html

Later
Kash


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