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A Note from Blackboard: SafeAssign Performance Update

Posted by on Monday, December 12, 2011 in Uncategorized.

SafeAssign is experiencing regular delays due to load on the system. In one sense, the cause of these delays is quite simple: the rate of papers being submitted exceeding the speed with which SafeAssign can process papers. Submissions go into a queue, and are processed in a first-in, first-out order. When the submissions are entering the queue faster than they are processed, a backlog builds up. Normally, SafeAssign catches up on that backlog when the submission rate drops below the processing rate. However, because of record high usage we’ve been pretty consistently running over capacity 24 hours a day for several weeks now (except for the US Thanksgiving weekend). So the system never fully has the time to catch up, resulting in turnaround times of 12-24 hours in many instances.

Given projections from historical usage, the significant delays of 12-24 hours or more will continue through the first week of December and then rapidly ease off in mid-December as the semester closes. Clients should expect that they will not see any significant improvement in turnaround times before mid-December.

From a development perspective, the current focus on SafeAssign is scalability and improving turnaround time of submissions. We hope to be able to deploy further improvements in this area early next year.