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    • 5. 发明授权
    • Managing data storage for databases based on application awareness
    • 根据应用意识管理数据库的数据存储
    • US08984031B1
    • 2015-03-17
    • US12893697
    • 2010-09-29
    • Stephen J. Todd
    • Stephen J. Todd
    • G06F17/30
    • G06F17/30091G06F17/30312
    • A method is used in managing data storage for databases based on application awareness. Content is received via any of a file system interface, a block based interface, and an object based interface to a data storage system, which executes a general purpose operating system. Based on software installed on the data storage system and running on the general purpose operating system, an application-aware management interface is used to provide a database interface to the data storage system. Based on the database interface, database queries are accepted at the data storage system.
    • 根据应用意识,使用一种方法来管理数据库的数据存储。 通过文件系统接口,基于块的接口和基于对象的接口,通过执行通用操作系统的数据存储系统接收内容。 基于安装在数据存储系统上并运行在通用操作系统上的软件,应用感知管理接口用于向数据存储系统提供数据库接口。 基于数据库接口,数据存储系统接受数据库查询。
    • 8. 发明授权
    • Methods, apparatus and computer programs for data replication
    • 用于数据复制的方法,设备和计算机程序
    • US08150812B2
    • 2012-04-03
    • US11945616
    • 2007-11-27
    • Stephen J Todd
    • Stephen J Todd
    • G06F7/00G06F17/00
    • G06F17/30578G06F11/2066G06F11/2097
    • Methods, apparatus and computer programs are provided for data replication, such as for replicating a database or updating a cache. Source database change transactions are captured and batched together for efficient data transfer. On receipt at a target replica system, the batch of transactions within a message is separated and separate apply transactions corresponding to the source transactions are performed in parallel. A ‘transaction processed’ table is updated to reflect apply processing for each apply transaction. This table provides a confirmation of the status of each transaction that can be used during recovery processing to prevent re-apply of an apply transaction. The table can also be used to determine when it is safe to delete an incoming message from persistent storage on the target system, and to facilitate one-phase commit processing.
    • 提供了用于数据复制的方法,装置和计算机程序,例如用于复制数据库或更新缓存。 源数据库更改事务被捕获并分批在一起以进行有效的数据传输。 在目标副本系统收到时,消息中的一批事务被分离,并且并行执行与源事务相对应的单独应用事务。 “事务处理”表被更新以反映每个应用事务的应用处理。 该表提供了在恢复处理期间可以使用的每个事务的状态的确认,以防止应用事务的重新应用。 该表还可用于确定何时可以安全地从目标系统上的持久存储中删除传入消息,并促进一阶段提交处理。