Swamp quest is not deleted after ExpireAt

I am using the default storage SQL Server

for Hangfire

. Since the rate of job creation per day can be quite high (per hundreds of thousands), the size of the database is also growing quite rapidly.

Initially, I thought it would still be fine because the Succeeded

assignments would be deleted after one day. To my surprise, even after a few days, the task has not yet been removed from the table Hangfire.Jobs

.

When I ran this query on July 30, 2015:

select min(ExpireAt) from Hangfire.Job
where StateName = 'Succeeded'

      

        
        
        
      

    

I got 2015-07-21 13:28:27.543

that about 9 days ago.

I can manually delete the jobs myself, or create a batch job that would periodically clean it up, but is there any scenario where a successful job is still stored outside ExpireAt?