The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
Вратарь клуба РПЛ рассказал о задержании по подозрению в кражеВратарь «Балтики» Максим Бориско рассказал о задержании по подозрению в краже
。51吃瓜对此有专业解读
但技术趋势，并不自动等于个人机会。。服务器推荐对此有专业解读
Developers using the streams API are expected to remember to use options like highWaterMark when creating their sources, transforms, and writable destinations but often they either forget or simply choose to ignore it.