Most of current Database Management System(DBMS) provide a mater and slave asynchronous replication mechanism, when the master node fails, the whole system will breakdown, and the potential delay between mater and slave will causes data lose.
现有数据库管理系统(DBMS)大多采用主从模式的异步复制机制,而主从模式中主节点失效将导致整个系统瘫痪,并且异步复制中潜在的同步延迟可能造成数据丢失。
参考来源 - 基于写操作集的数据库同步复制模型·2,447,543篇论文数据,部分数据来源于NoteExpress
应用服务器基础结构提供会话复制机制。
Application server infrastructures provide session replication mechanisms.
我如何通过复制机制提高整个数据库系统的性能?
How can I use replication to improve performance of my system?
Solr还提供了主-从索引复制机制,以便在大规模的应用中分散查询负载。
Solr also provides a master-slave index replication mechanism to allow query load to be distributed in a large-scale environment.
They enter the cell after recognizing, they fall apart inside the cell, they reproduce their DNA, or their genetic material using host mechanisms.
在识别细胞后侵入之,它们在细胞内解体,复制自身的DNA,利用宿主的遗传来机制复制自己的DNA
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