主从模式是最基础的模式，配置简单，主要用于数据备份和读写分离，提高系统的读取性能。但是，主从模式无法处理主节点故障的情况。
Aachen was the location of coronation with the German emperors, and also the ecclesiastical principalities with the Rhine bulked largely in German historical past.[six]
This boat-formed, superior-tech temple to the art of chocolate making has a lot of engaging exhibits about the 5000-12 months cultural history on the ‘elixir on the…
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Fun-loving Cologne is the greatest of all western Germany’s towns, nevertheless �?on condition that it had been frequented early and infrequently by the RAF all through Entire world War II �?Possibly not its most wonderful. However, it's got a singular architectural inheritance from its extended background which results in a powerful feeling of continuity �?previously mentioned all inside the quickly recognizable condition of its cathedral, Just about the most renowned spiritual buildings on the planet as well as seat of Germany’s Catholic primate.
One among Germany's greatest artwork museums, the Wallraf-Richartz provides a primo selection of European artwork from the 13th to the 19th centuries in a minimalist…
主服务器发送缓存的写命令：数据快照发送完成后，主服务器会将在数据快照过程中记录的所有写命令发送给从服务器。从服务器在接收到这些命令后，会按照接收的顺序执行这些命令，以确保其数据与主服务器的数据保持一致。
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You may tick off Cologne’s sights over the class of a lengthy read more weekend or so, but to have the most out of the keep you have to get faraway from the tourist haunts through the river and examine at the least a number more info of the quarters wherever the locals Dwell and play.
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�?missing, presumed dead. The location with the stones exterior the houses from the victims indicates the destiny of total families is usually recorded. Though many of the persons remembered from the stones are Jewish, there are also Stolpersteine
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