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SQL Server 2005
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SQL Server 2005 General Discussion
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Question about job scheduling
Question about job scheduling
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gregory.anderson
gregory.anderson
Posted Monday, November 01, 2010 6:39 AM
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I have a job that I want to run every 20 minutes (because it takes about 15 minutes to run). When I schedule it, it shows that the job will run at x time (let's say 7:45), the job takes about 15 minutes so it should get done at about 8:00, but the next job run says it's going to be 8:20. Why doesn't it say the next job run will be 8:05? Isn't that particular job schedule supposed to go based on the start time of the job, not the start and end time?
Post #1013780
gregory.anderson
gregory.anderson
Posted Monday, November 01, 2010 6:51 AM
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BTW - I found this documentation about the job schedule:
[ @freq_subday_interval = ] freq_subday_interval
The number of freq_subday_type periods to occur between each execution of a job. freq_subday_intervalis int, with a default of 0. freq_subday_interval is ignored in those cases where freq_subday_type is equal to 1.
So does this mean that when the job has completed that it calculates that interval?
Post #1013787
Adiga
Adiga
Posted Monday, November 01, 2010 7:23 AM
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[b]When I schedule it, it shows that the job will run at x time (let's say 7:45), the job takes about 15 minutes so it should get done at about 8:00, but the next job run says it's going to be 8:20.
When the job states that the next run is at 8:20, at that time what was the status of the job? Was it executing?
Pradeep Adiga
Blog:
sqldbadiaries.com
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@pradeepadiga
Post #1013806
gregory.anderson
gregory.anderson
Posted Monday, November 01, 2010 7:31 AM
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Adiga (11/1/2010)
[b]When I schedule it, it shows that the job will run at x time (let's say 7:45), the job takes about 15 minutes so it should get done at about 8:00, but the next job run says it's going to be 8:20.
When the job states that the next run is at 8:20, at that time what was the status of the job? Was it executing?
It had just completed (so it calculated 8:00 + 20 minute sub-day frequency)
Post #1013813
gregory.anderson
gregory.anderson
Posted Monday, November 01, 2010 7:32 AM
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Ok, now it's doing it every 20 minutes from the start time like I wanted it to...I'm confused.
Post #1013815
TheSQLGuru
TheSQLGuru
Posted Tuesday, November 02, 2010 8:56 AM
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I hope you understand that if your job takes > 20 minutes to complete you will skip any 'overlapped' executions of the job.
Best,
Kevin G. Boles
SQL Server Consultant
SQL MVP 2007-2012
TheSQLGuru at GMail
Post #1014581
gregory.anderson
gregory.anderson
Posted Tuesday, November 02, 2010 8:58 AM
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TheSQLGuru (11/2/2010)
I hope you understand that if your job takes > 20 minutes to complete you will skip any 'overlapped' executions of the job.
Yep.
Right now, it's averaging about 12 minutes and I have the schedule setup to run every 15 minutes now. Haven't missed a 15 minute increment yet, and have run 94 times so far (it's a conversion job).
It's not a big deal though if it goes beyond the 15 minutes.
Thanks
Post #1014585
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