Extended Event Session Keeps Stopping

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A few months ago I added an extended event to track blocked processes and deadlocks, with a file output to track occurrences.



Every now and again, I check the log file, but find that the extended event has stopped, when I "Start Session" again through SSMS, it picks up again and logs as expected.



How can I ensure that this runs 24/7?
Is it possibly failing somewhere and there's a log of errors that I'm unaware of?



Output File(s)



Selected Events






sql-server sql-server-2012 extended-events







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  • 1




    Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
    – Dan Guzman
    1 hour ago










  • Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
    – William
    44 mins ago

















up vote
1
down vote

favorite












A few months ago I added an extended event to track blocked processes and deadlocks, with a file output to track occurrences.



Every now and again, I check the log file, but find that the extended event has stopped, when I "Start Session" again through SSMS, it picks up again and logs as expected.



How can I ensure that this runs 24/7?
Is it possibly failing somewhere and there's a log of errors that I'm unaware of?



Output File(s)



Selected Events






sql-server sql-server-2012 extended-events







share|improve this question







New contributor




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















  • 1




    Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
    – Dan Guzman
    1 hour ago










  • Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
    – William
    44 mins ago













up vote
1
down vote

favorite









up vote
1
down vote

favorite











A few months ago I added an extended event to track blocked processes and deadlocks, with a file output to track occurrences.



Every now and again, I check the log file, but find that the extended event has stopped, when I "Start Session" again through SSMS, it picks up again and logs as expected.



How can I ensure that this runs 24/7?
Is it possibly failing somewhere and there's a log of errors that I'm unaware of?



Output File(s)



Selected Events






sql-server sql-server-2012 extended-events







share|improve this question







New contributor




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











A few months ago I added an extended event to track blocked processes and deadlocks, with a file output to track occurrences.



Every now and again, I check the log file, but find that the extended event has stopped, when I "Start Session" again through SSMS, it picks up again and logs as expected.



How can I ensure that this runs 24/7?
Is it possibly failing somewhere and there's a log of errors that I'm unaware of?



Output File(s)



Selected Events






sql-server sql-server-2012 extended-events




sql-server sql-server-2012 extended-events






share|improve this question







New contributor




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











share|improve this question







New contributor




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









share|improve this question




share|improve this question






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William is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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William

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William is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





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






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







  • 1




    Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
    – Dan Guzman
    1 hour ago










  • Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
    – William
    44 mins ago













  • 1




    Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
    – Dan Guzman
    1 hour ago










  • Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
    – William
    44 mins ago








1




1




Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
– Dan Guzman
1 hour ago




Is your session defined with STARTUP_STATE=ON so that it's automatically started when the SQL instance starts?
– Dan Guzman
1 hour ago












Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
– William
44 mins ago





Ah, that's the problem, it was off and we have had a couple of maintenance restarts lately. Could you put that in an answer and I'll accept? Thanks.
– William
44 mins ago











1 Answer
1






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2
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accepted










It seems your Extended Event session is defined with STARTUP_STATE=OFF so it is not started automatically when SQL Server is restarted.



Change the session to STARTUP_STATE=ON to ensure it's always running (unless stopped manually):



ALTER EVENT SESSION [blocked_process] ON SERVER 
 WITH (STARTUP_STATE=ON);





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    1 Answer
    1






    active

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    active

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    up vote
    2
    down vote



    accepted










    It seems your Extended Event session is defined with STARTUP_STATE=OFF so it is not started automatically when SQL Server is restarted.



    Change the session to STARTUP_STATE=ON to ensure it's always running (unless stopped manually):



    ALTER EVENT SESSION [blocked_process] ON SERVER 
     WITH (STARTUP_STATE=ON);





    share|improve this answer
























      up vote
      2
      down vote



      accepted










      It seems your Extended Event session is defined with STARTUP_STATE=OFF so it is not started automatically when SQL Server is restarted.



      Change the session to STARTUP_STATE=ON to ensure it's always running (unless stopped manually):



      ALTER EVENT SESSION [blocked_process] ON SERVER 
       WITH (STARTUP_STATE=ON);





      share|improve this answer






















        up vote
        2
        down vote



        accepted







        up vote
        2
        down vote



        accepted






        It seems your Extended Event session is defined with STARTUP_STATE=OFF so it is not started automatically when SQL Server is restarted.



        Change the session to STARTUP_STATE=ON to ensure it's always running (unless stopped manually):



        ALTER EVENT SESSION [blocked_process] ON SERVER 
         WITH (STARTUP_STATE=ON);





        share|improve this answer












        It seems your Extended Event session is defined with STARTUP_STATE=OFF so it is not started automatically when SQL Server is restarted.



        Change the session to STARTUP_STATE=ON to ensure it's always running (unless stopped manually):



        ALTER EVENT SESSION [blocked_process] ON SERVER 
         WITH (STARTUP_STATE=ON);






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 34 mins ago









        Dan Guzman

        12.7k11633




        12.7k11633




















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