Troubleshoot Job that continues to run into the next day
I have a job that references an SSIS package which inserts, from a file, a bunch of data into a table with over 100 million rows. I've performance tuned the insert statement and watched it take less than 2 seconds to run for each file (sometimes it takes as much as 10 seconds for a file with a large amount of data).
I run the job at 1:00 AM and for the past week I come in the next day and the job is still running. But when I just run the job manually DURING THE DAY WHEN DB USE IS HIGHER, I watch it complete in about 1-2 hours.
I don't really have any other jobs running at night (that aren't also running during the day) and none of them are hitting that table. The only exception to that I can think of is I back up the transaction logs every 2 hours. I also have a scheduled task that moves a back up of the DB and all the transaction log backups to an external drive at 2AM. Perhaps all the disk I/O is preventing the job from running successfully and then it just gets bogged down until I manually restart it?
Question 1: should I stop the transaction log backups at night?
Question 2: where would I begin to try to figure out what could be happening at night to this job. Is there any history stored somewhere that would show what delays it seems to face at night?
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