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How to receive Deadlock information automatically via email. Expand / Collapse
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Posted Friday, September 21, 2012 7:10 AM


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Don't forget that in SQL 2005 +, that the default trace (which starts automatically) captures deadlock graph information. So you can set up a job that fires when this event is raised, and just query that trace file to get the deadlock graph.

If you need help viewing the deadlock graph or figuring out what is going on, I have some code in the "Code Library" section of my blog for reading the deadlock graph and presenting the information in tabular form. It can be found here. This code shows how to get the deadlock graph from the default trace - you could use this in the routine that sends you the notification email.


Wayne
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Post #1362644
Posted Saturday, September 22, 2012 8:22 AM
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I made it about two years ago with ı found it in msdn your method is very nice too.

http://msdn.microsoft.com/en-us/library/ms186385.aspx

Post #1363106
Posted Sunday, September 23, 2012 11:15 PM
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Nice article Geoff, I would like to request can u please help us to implement this type of deadlock alert notification proactively rather than re-actively.
Post #1363333
Posted Monday, September 24, 2012 9:30 AM


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abhijitshedulkar (9/23/2012)
Nice article Geoff, I would like to request can u please help us to implement this type of deadlock alert notification proactively rather than re-actively.


How would you get a deadlock alert notification proactively? In order for it to be proactive you'd have to get the alert BEFORE the deadlock occurs. I don't think that is possible. An expert could probably come in and do a code review and point to areas that could be prone to deadlocks.




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Post #1363566
Posted Monday, September 24, 2012 9:43 AM
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This is great and helpful, however, we had to go a little further. We have a severe load of code production deployments as our DBA responsibilities, so we are not always available to deal with Head Blocks right away, but just as soon as possible. Also, Head BLocks occurred as normal part of different processes and they last for a matter of a few seconds, so we do not need to know about all head blocks, but the long lasting ones. So for coping both needs, to be able to check later on and to report only the long lasting ones, we created a process that logs the Activity monitor entries (all columns) for head blocks to a table, and specific code process email alerts for only head blocks longer that 5 minutes. Furthermore, saving historical has increased our Knowledge of what goes on in many other counters, which opens a wide range of possibilities for activity research, analysis, and subsequent corrective actions.
Post #1363575
Posted Monday, September 24, 2012 2:05 PM
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I am also loving this! Thanks for contributing!
http://www.sqlservercentral.com/Forums/Topic1351590-146-1.aspx

Recently, Grant Fritchey suggested that I stick with Trace Flag 1222 only (see this link). I tried that with your code and pretty much got a blank email - no useful information. So, I went with all three trace flags, and I got much more information in the email. Unfortunately, it still did not bring down the hostname information and clientapp. Sure, we can go to the errorlog to still get it, but I don't see a good way to get that out of the errorlog and into the email. Anyone else see a good way to do it?




Del Lee
Post #1363710
Posted Wednesday, September 26, 2012 9:12 AM
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Love the script but wanted to be able to deploy this quicker. The final step of creating an alert I simply switched to TSQL and it achieves the same result without having to use the wizard:

--THIS GETS RUN AFTER THE JOB IS CREATED AND WILL CREATE THE ALERT
USE [msdb]
GO

declare
@jobid uniqueidentifier


set @jobid = isnull((select job_id from msdb.dbo.sysjobs where name = 'Deadlock Job'),'00000000-0000-0000-0000-000000000000')
set @jobid = LTRIM(rtrim(@jobid))
IF @jobid = '00000000-0000-0000-0000-000000000000'
BEGIN
RAISERROR('The deadlock job could not be found. Aborting!', 16, 1)
RETURN
END

IF EXISTS (SELECT name FROM msdb.dbo.sysalerts WHERE name = N'DeadlockAlert')
BEGIN
RAISERROR('The alert already exists. Aborting!',16,1)
RETURN
END
EXEC msdb.dbo.sp_add_alert @name=N'DeadlockAlert',
@message_id=0,
@severity=0,
@enabled=1,
@delay_between_responses=60,
@include_event_description_in=0,
@category_name=N'[Uncategorized]',
@performance_condition=N'SQLServer:Locks|Number of Deadlocks/sec|_Total|>|0',
@job_id= @jobid
GO
Post #1364773
Posted Tuesday, December 25, 2012 8:38 AM
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Nice article.
Post #1400072
Posted Tuesday, December 25, 2012 10:28 AM
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This was working like a champ for about a month and then suddenly SQL would email me and it would always say 0 rows affected. Anybody else run across this?
Post #1400087
Posted Tuesday, February 26, 2013 12:57 AM
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Hi ,
I am getting email when a deadlock happens but i am getting a blank attachment due to which i am not able to know the actual cause of the deadlock
Post #1423914
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