分析实现强一致性的两阶段提交协议和实现弱一致性的数据复制技术。
The strong consistency is carried out by the protocols of submission with two phases. And the weak consistency is carried out by using the techniques of data replication.
数据复制技术对提高数据的可用性和数据访问的性能有着重要的意义。
The data replication technology is crucial to improve data availability and data access performance.
存储子系统层次的快照系统常用的数据复制技术主要有拆分镜像和写前拷贝等。
The common data replicate technologies of snapshot system in storage subsystem layer are split mirror and copy-on-write.
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