This can also be used to improve efficiency by reducing buffer underrun.
From the en.wikipedia.org
This additional buffering ensures that momentary pauses in the supply of data do not cause buffer underrun.
From the en.wikipedia.org
Sideskirts are plates which are mounted on the sides of trailers, primarily with a view to underrun protection.
From the sciencedaily.com
A buffer underrun occurs during recording if the supply of data to the recorder is interrupted before the write is complete.
From the en.wikipedia.org
Recorders with such buffer underrun protection handle the interruption with an extremely small gap in the recorded track on the disc.
From the en.wikipedia.org
Buffer underrun is minimized by a strategy in which the recorder burns a packet rather than an entire session or an entire disc.
From the en.wikipedia.org
The locale and title are West of Suez-a former British outpost in the Caribbean, now underrun by surly native administrators and overrun by American tourists.
From the time.com
More examples
In computing, buffer underrun or buffer underflow is a state occurring when a buffer used to communicate between two devices or processes is fed with data at a lower speed than the data is being read from it. ...
A condition in which fewer products are delivered or produced than had been ordered; A condition in which the read/write buffer is fed with data at a slower rate than required; a buffer underrun
Production of fewer copies than ordered. See over run.
A pressrun or production run below the quantity ordered; to receive fewer copies than requested, due to printing spoilage or printer's error, which permissible variant should be factored into the purchase order agreement. ...
A condition where the number of acceptable prints in a production run is less than the number specified by the customer.
The amount by which an activity, piece of work or something produced falls below its planned value, usually of cost.
A program or report which is not long enough to fill its allotted slot on the schedule. See also run to time.
A number of products less than what was originally ordered. Information courtesy of Promotional Products Association International.
Quantity of printing delivered that is less than the quantity ordered.