Lo bueno si simple dos veces bueno

This is a pervasive and growing concern in software: as libraries, interfaces, and tools become more complicated, they become less understood and less controllable. When everything works, rich programming environments can be very productive, but when they fail, there is little recourse. Indeed, we may not even realize that something is wrong if the problems… Seguir leyendo Lo bueno si simple dos veces bueno

Complejidades: acceso a disco

Una simple operación de acceso a disco puede no ser tan simple. Por ejemplo, en un típico sistema en red: Application cliente System Library VFS Layer File System Kernel/ Cache Device Driver IO Bus Adapter Physical Link RED Control Logic Storage Cache LV Management Spindle Aggregation Disk Interconnect Embedded Cache Discos duros