What causes one time timer jobs to fail?

What causes one time timer jobs to fail?

Bloated TimerJobHistory table (like millions of rows). If the TimerJobHistory table (in the Configuration database) accumulates a large number of records (millions) over time and the “Delete Job History” timer job is not able to keep up with the number of records being added, one-time timer jobs will fail to run.

Why is my timer history so big in SharePoint?

Now we moved to SharePoint servers and trying to understand what’s going on, why timer job history is growing that big. Every time a timer job runs in SharePoint, it create an entry (row) in the Timer Job History table of the Configuration database.

How big is the database in timerjobhistory?

Our configuration Database size is 509 GB (only data file mdf), Yes It is 509 GB. Time for investigation. We asked the DBA, give us another size report with table along with sizes. What we noticed in that report is TimerJobHistory table is using 506 GB (949 Million records) out of 509 GB.

How does a timer job work in SharePoint?

Every time a timer job runs in SharePoint, it create an entry (row) in the Timer Job History table of the Configuration database. There is one timer job called “Delete Job History”, which is responsible to purge / delete the old record accordingly (depending upon the retention period & Timer Job schedule).

Is there a maximum number of days you can delete a job in SharePoint?

The April 2018 CU (build 15.0.5023.1001) changed the behavior back to the original reliance on “job-delete-job-history”. However, now the maximum history is 3 days instead of 7. See Stefans other blog post about that.

How are one time jobs created in SharePoint?

One-time timer jobs are created on the fly, should run immediately, and then disappear when they are done doing whatever they were supposed to do. If you have one-time timer jobs hanging around, you have a SharePoint Timer service (owstimer.exe) problem.

What to do if one time timer is not running?

— In general, most farm administration tasks that include work that must be completed on other servers in the farm will use a one-time timer job to do it. So what to do if one-time timer jobs are NOT running? If one-time timer jobs are not running, it’s usually one of three problems: 1.