You might ask: why not use the actual time? Unfortunately, accurately syncing clocks between two computers is an extremely hard problem. Using incrementing integers like this is one simple version of a logical clock Logical clock - Wikipedia en.wikipedia.org/wiki/Logical_clock , which captures the order of events relative to each other rather than to the “wall clock”. ↩
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The U.S. and Israeli strike on Iran over the weekend has caused traffic disruptions to key trade passages like the Strait of Hormuz, escalating concerns of oil export blockages—and a potential repeat of the oil shock of the 1970s.。业内人士推荐体育直播作为进阶阅读
Алексей Пушков. Фото: Виталий Белоусов / РИА Новости，更多细节参见Line官方版本下载