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    • 10. 发明申请
    • PARALLEL TRANSACTION MESSAGES FOR DATABASE REPLICATION
    • 用于数据库复制的并行交易消息
    • US20150199415A1
    • 2015-07-16
    • US14156602
    • 2014-01-16
    • International Business Machines Corporation
    • Serge BourbonnaisAustin F.M. D'costaSomil KulkarniYat On LauJonathan W. Wierenga
    • G06F17/30
    • G06F17/30578G06F17/30575G06F17/30581
    • According to one embodiment of the present invention, a system uses parallel transaction messages for database replication. The system receives transaction messages from a source system via a plurality of parallel send queues in a receive queue. Each transaction message includes a message identifier indicating a commit order for that transaction. The system reads transaction messages in the receive queue in order in which they were committed against a source database based on the message identifier, and applies changes described by the transaction messages to a target database. Two or more transaction messages in the receive queue are applied to the target database in parallel. The system deletes transaction messages from the receive queue asynchronously to applying changes described by those transaction messages to the target database. Embodiments of the present invention further include a method and computer program product for parallel transaction messages in substantially the same manners described above.
    • 根据本发明的一个实施例,系统使用并行事务消息进行数据库复制。 系统通过接收队列中的多个并行发送队列从源系统接收事务消息。 每个交易消息包括指示该交易的提交订单的消息标识符。 系统根据消息标识符读取接收队列中针对源数据库提交的事务消息,并将事务消息描述的更改应用于目标数据库。 接收队列中的两个或多个事务消息并行应用于目标数据库。 系统从接收队列中异步删除事务消息,将这些事务消息描述的更改应用于目标数据库。 本发明的实施例还包括用于并行交易消息的方法和计算机程序产品,其基本上与上述相同。