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LARGE DISTRIBUTED DATABASE CLUSTERING SYSTEMS AND METHODS
LARGE DISTRIBUTED DATABASE CLUSTERING SYSTEMS AND METHODS
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机译:大型分布式数据库集群系统和方法
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摘要
Systems and methods are provided for managing asynchronous replication in a distributed database environment, while providing for scaling of the distributed database. A cluster of nodes can be assigned roles for managing partitions of data within the database and processing database requests. In one embodiment, each cluster includes a node with a primary role to process write operations and mange permit asynchronous replication of the operations to at least one secondary node. Each cluster or set of nodes can host one or more partitions of database data, and grouping of the clusters can be implemented a shard cluster that hosts the data of the distributed database. Each shard can be configured to manage the size of any hosted partitions, splitting database partitions, migrated partitions, and managing expansion of shard clusters to encompass new systems.
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