sql 2008 standard - alert for extreme locking (blocking)

Does anyone know of a script to use for an alert in sql 2008 standard for Extreme Deadlocks (blocking).  Only this type of alert.

I have the use of quest tools, spotlight in particular. But I need to be proactive I need to send an alert for extreme locks causing blocking to our helpdesk.
Does anyone have any advice? or a script i can create. Thanks in advance.
Amanda WalshawBusiness Solutions AnalsystAsked:
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EugeneZ ZhitomirskySQL SERVER EXPERTCommented:
what do you mean "Extreme Deadlocks (blocking)." ? Deadlocks?


check:
   
Deadlock Notifications in SQL Server 2005
By Patrick LeBlanc
 http://www.sqlservercentral.com/articles/Administration/3243/
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Amanda WalshawBusiness Solutions AnalsystAuthor Commented:
I mean locking causing blocks, which affects users unable to save data in the database until the block is cleared.
I need to create an alert for blocks, for our helpdesk to react to.
I will review the article you nominated.
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EugeneZ ZhitomirskySQL SERVER EXPERTCommented:
here you are:

here you are:


Email Sqlserver Block monitor script
http://hassanszone.wordpress.com/2011/03/19/sqlserver-block-monitoring-mail-reporting-using-sqlagent-job/

/**—Create an Sqlserver Agent Job to report Blocking events and Mail to DBA team—-**/
 
declare @subj varchar(max),
 @cmd varchar(max),
 @file varchar(100)
 select    @subj = @@servername  + ‘—Encountered Blocking sessions’,
 @cmd = ‘Print ”Below listed Session_Id are blocked by.
 ————————————–
 

 select r.Session_id as SID,
 r.Start_time,
 DBName = db_name(database_id),
 r.Command,
 substring(st.text,
 r.statement_start_offset/2+1,
 (case when r.statement_end_offset = -1 then len(convert(nvarchar(max), st.text)) * 2 else r.statement_end_offset end – r.statement_start_offset)/2+1) As BlockedQuery,
 r.Blocking_session_id,
 s.Memory_usage,
 s.Host_name,
 s.Program_name,
 s.Login_name
 from sys.dm_exec_requests r
 join sys.dm_exec_connections c on r.session_id = c.session_id
 join sys.dm_exec_sessions s on s.session_id = r.session_id
 cross apply sys.dm_exec_sql_text(r.sql_handle) st
 where r.session_id > 50 and r.blocking_session_id>1
 order by r.session_id

 
exec msdb.dbo.sp_send_dbmail
 @profile_name = ‘sql – dba’,
 @recipients = ‘shamsul.hassan@hassanszone.com’,
 @subject = @subj,
 @body= ”,
 @query = @cmd,
 @query_result_separator = ‘|’,
 @query_result_no_padding = 1
 
/**—Create an Sqlserver Alert to trigger Blocking alerts Mail to DBA team—-**/
 
USE [msdb]
 GO
 EXEC msdb.dbo.sp_update_alert @name=N’Request Blocked Processes’,
 @message_id=0,
 @severity=0,
 @enabled=1,
 @delay_between_responses=0,
 @include_event_description_in=0,
 @database_name=N”,
 @notification_message=N”,
 @event_description_keyword=N”,
 @performance_condition=N’SQLSERVER:General Statistics|Processes blocked||>|1',
 @wmi_namespace=N”,
 @wmi_query=N”,
 –        @job_id=N’bc259ae4-d96b-4146-a372-1343e91cb5de’,
 @job_name=’DBA_BlockingCheck_Report’
 GO

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