The present disclosure includes a server apparatus, a recording method, a non-transitory computer-readable, and a system. In one example, the server apparatus includes a recording unit and a controller. The controller is configured to receive image data of a subject from a camera, control the recording unit to record the image data of the subject that is received from the camera, monitor the image data of the subject to determine whether the image data of the subject that is received from the camera is abnormal, and responsive to determining that the image data of the subject that is received from the camera is abnormal, control the recording unit to perform recording end processing on the image data of the subject that has already been recorded.