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    SCALABLE LOG-BASED TRANSACTION MANAGEMENT
    1.
    发明申请
    SCALABLE LOG-BASED TRANSACTION MANAGEMENT 有权
    可扩展的基于日志的交易管理

    公开(公告)号：US20160070589A1

    公开(公告)日：2016-03-10

    申请号：US14482677

    申请日：2014-09-10

    Applicant: Amazon Technologies, Inc.

    Inventor： ALLAN HENRY VERMEULEN ,  PARIKSHIT S. POL ,  TIMOTHY ANDREW RATH ,  TIMOTHY DANIEL COLE

    IPC: G06F9/46 ,  G06F3/06

    CPC classification number: G06F9/466

    Abstract: A first transaction manager of a partitioned storage group stores a first conditional commit record for a first write of a multi-partition transaction based on a first conflict detection operation. A second transaction manager stores a second conditional commit record for a second write of the transaction based on a second conflict detection operation. A client-side component of the storage group determines that both writes have been conditionally committed, and stores an unconditional commit record in a commit decision repository. A write applier examines the first conditional commit record and the unconditional commit record before propagating the first write to the first partition.

    Abstract translation: 分区存储组的第一事务管理器基于第一冲突检测操作存储用于多分区事务的第一写入的第一条件提交记录。 第二事务管理器基于第二冲突检测操作来存储用于事务的第二写入的第二条件提交记录。 存储组的客户端组件确定两个写入都已有条件地提交，并在提交决策存储库中存储无条件提交记录。 写入应用程序在将第一个写入传播到第一个分区之前检查第一个条件提交记录和无条件提交记录。

    STATELESS DATASTORE-INDEPENDENT TRANSACTIONS
    2.
    发明申请
    STATELESS DATASTORE-INDEPENDENT TRANSACTIONS 有权
    无条件数据独立交易

    公开(公告)号：US20160070740A1

    公开(公告)日：2016-03-10

    申请号：US14482661

    申请日：2014-09-10

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： ALLAN HENRY VERMEULEN ,  TIMOTHY ANDREW RATH ,  TIMOTHY DANIEL COLE ,  KIRAN-KUMAR MUNISWAMY-REDDY

    IPC: G06F17/30

    CPC classification number: G06F17/30283 ,  G06F17/30348 ,  G06F17/30353 ,  G06F17/30368 ,  G06F17/30377 ,  G06F17/30545 ,  G06F17/30578 ,  G06F17/30958

    Abstract: At a client-side component of a storage group, a read descriptor generated in response to a read request directed to a first data store is received. The read descriptor includes a state transition indicator corresponding to a write that has been applied at the first data store. A write descriptor indicative of a write that depends on a result of the read request is generated at the client-side component. The read descriptor and the write descriptor are included in a commit request for a candidate transaction at the client-side component, and transmitted to a transaction manager.

    Abstract translation: 在存储组的客户端组件中，接收响应于针对第一数据存储的读请求而生成的读描述符。 读取描述符包括与在第一数据存储处应用的写入相对应的状态转换指示符。 在客户端组件处产生指示取决于读取请求的结果的写入的写入描述符。 读取描述符和写描述符被包括在客户端组件的候选事务的提交请求中，并被发送到事务管理器。

    READ DESCRIPTORS AT HETEROGENEOUS STORAGE SYSTEMS
    4.
    发明申请
    READ DESCRIPTORS AT HETEROGENEOUS STORAGE SYSTEMS 审中-公开
    在异构存储系统中阅读描述符

    公开(公告)号：US20160070771A1

    公开(公告)日：2016-03-10

    申请号：US14482668

    申请日：2014-09-10

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： ALLAN HENRY VERMEULEN ,  KIRAN-KUMAR MUNISWAMY-REDDY ,  TIMOTHY DANIEL COLE ,  TIMOTHY ANDREW RATH

    IPC: G06F17/30 ,  H04L29/08

    CPC classification number: G06F17/30575 ,  G06F17/30377 ,  H04L67/1097

    Abstract: In response to a read request directed to a first data store of a storage group, a state transition indicator is identified, corresponding to a modification that has been applied at the data store before a response to the read is prepared. A read descriptor that includes the state transition indicator and read repeatability verification metadata is prepared. The metadata can be used to check whether the read request is a repeatable read. The read descriptor is transmitted to a client-side component of the storage group.

    Abstract translation: 响应于针对存储组的第一数据存储器的读取请求，识别状态转换指示符，其对应于在对读取的响应之前已经在数据存储器处应用的修改。 准备了包含状态转换指示符和读取可重复性验证元数据的读描述符。 元数据可用于检查读取请求是否是可重复读取。 读描述符被发送到存储组的客户端组件。

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