Saint Sebastian Tended by Saint Irene Lieferinxe in about 1497, part of a cycle from an altarpiece in Marseilles (now Philadelphia Museum of Art), but the subject was rare until the 17th century. It was painted by Georges de La Tour at least twice, Trophime Bigot (four times), Jusepe de Ribera twice, Hendrick ter Brugghen (in perhaps his masterpiece) and many others. The subject appears to have been a deliberate attempt by the Church to get away from the traditional depiction of the standing almost-nude Sebastian being shot with arrows. This is already recorded in Vasari (in relation to a painting by Fra Bartolommeo) as sometimes
Least frequently used even though it will not be used again for a decent amount of time. This leaves other blocks which may actually be used more frequently susceptible to purging simply because they were accessed through a different method. Moreover, new items that just entered the cache are subject to being removed very soon again, because they start with a low counter, even though they might be used very frequently after that. Due to major issues like these, a pure LFU system is fairly uncommon; instead, there are hybrids that utilize LFU concepts. Least frequently used Least Frequently Used (LFU) is a