The Pierre Auger Observatory is the largest detector ever
built to measure ultra-high energy cosmic rays. It employs a hybrid
technique, combining a surface detector consisting of 1660
water-Cherenkov stations and a fluorescence detector composed of 27
Schmidt telescopes. The construction of the Observatory started in
2004, and since then, it has been continuously taking data in a stable
manner. We will present the behavior of the Observatory over more
than 14 years and the expected response into the future with the
AugerPrime upgrade now underway. Key performance indicators such as the on-time and the event rates will be presented, along with reference to calibration and monitor instruments.