MySQL两主一从和读写分离

MySQL两主一从是指在MySQL数据库中，有两个主数据库和一个从数据库的架构。这种架构可以提供更高的可用性和容错性，因为当一个主数据库发生故障时，另一个主数据库可以继续提供服务。而读写分离是指将读操作和写操作分别分配给不同的数据库节点处理，以提高数据库的性能和负载均衡。通过将部分读操作分散到从数据库，可以减轻主数据库的负载压力，提高系统的整体性能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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