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    Continuous data protection
    91.
    发明授权
    Continuous data protection 有权

    公开(公告)号：US11860741B2

    公开(公告)日：2024-01-02

    申请号：US17687431

    申请日：2022-03-04

    Applicant: Amazon Technologies, Inc.

    Inventor： Akshat Vig ,  Tate Andrew Certain ,  Go Hori

    IPC: G06F11/14 ,  G06F9/54 ,  G06F16/27 ,  G06F16/23

    CPC classification number: G06F11/1451 ,  G06F9/54 ,  G06F11/1469 ,  G06F16/2358 ,  G06F16/278 ,  G06F2201/84

    Abstract: Changes made to a database table are accumulated, in durable storage, and snapshots of partitions of the table are obtained. For successive snapshots of a partition, the system accesses a previous snapshot, applies changes from the accumulated changes, and stores the updated snapshot to a durable data store. The accumulated changes and the successive partition snapshots are made available to restore the database to any point in time across a continuum between successive snapshots. Although each partition of the table may have a backup snapshot that was generated at a time different from when other partition snapshots were generated, changes from respective change logs may be selectively log-applied to distinct partitions of a table to generate an on-demand backup of the entire table at common point-in-time across partitions. Point-in-time restores of a table may rely upon a similar process to coalesce partition snapshots that are not aligned in time.

    Providing executing programs with access to stored block data of others
    92.
    发明授权
    Providing executing programs with access to stored block data of others 有权

    公开(公告)号：US11526407B2

    公开(公告)日：2022-12-13

    申请号：US16907116

    申请日：2020-06-19

    Applicant: Amazon Technologies, Inc.

    Inventor： Peter N. DeSantis ,  Atle Normann Jorgensen ,  Matthew S. Garman ,  Tate Andrew Certain ,  Roland Paterson-Jones

    IPC: G06F11/14 ,  G06F3/06 ,  G06F11/20

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store copies of network-accessible block data storage volumes that may be used by programs executing on other physical computing systems, and snapshot copies of some volumes may also be stored (e.g., on remote archival storage systems). A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other computing systems at that data center, while the archival storage systems may be located outside the data center. The snapshot copies of volumes may be used in various ways, including to allow users to obtain their own copies of other users' volumes (e.g., for a fee).

    Symmetric function for journaled database proof
    95.
    发明授权
    Symmetric function for journaled database proof 有权

    公开(公告)号：US11310054B2

    公开(公告)日：2022-04-19

    申请号：US16446543

    申请日：2019-06-19

    Applicant: Amazon Technologies, Inc.

    Inventor： Tate Andrew Certain ,  Benjamin Nelson Glowney ,  Allan Henry Vermeulen

    IPC: H04L9/32 ,  G06F16/23

    Abstract: A database management system stores an entry in a journal. The journal, upon storage of the entry, comprising a hierarchy of nodes. A node in the hierarchy comprises a hash value computed by application of a symmetric hash operator to hash values of first and second child nodes. The symmetric hash operator generates equivalent output irrespective of the order of the operands. A cryptographic proof of the entry comprises successive application of the symmetric hash operator to a list of hashes from the hierarchy.

    Continuous data protection
    96.
    发明授权
    Continuous data protection 有权

    公开(公告)号：US11269731B1

    公开(公告)日：2022-03-08

    申请号：US15920207

    申请日：2018-03-13

    Applicant: Amazon Technologies, Inc.

    Inventor： Akshat Vig ,  Tate Andrew Certain ,  Go Hori

    IPC: G06F16/14 ,  G06F11/14 ,  G06F9/54 ,  G06F16/27 ,  G06F16/23

    Abstract: Changes made to a database table are accumulated, in durable storage, and snapshots of partitions of the table are obtained. For successive snapshots of a partition, the system accesses a previous snapshot, applies changes from the accumulated changes, and stores the updated snapshot to a durable data store. The accumulated changes and the successive partition snapshots are made available to restore the database to any point in time across a continuum between successive snapshots. Although each partition of the table may have a backup snapshot that was generated at a time different from when other partition snapshots were generated, changes from respective change logs may be selectively log-applied to distinct partitions of a table to generate an on-demand backup of the entire table at common point-in-time across partitions. Point-in-time restores of a table may rely upon a similar process to coalesce partition snapshots that are not aligned in time.

    Managing access of multiple executing programs to non-local block data storage
    99.
    发明授权
    Managing access of multiple executing programs to non-local block data storage 有权

    公开(公告)号：US10824343B2

    公开(公告)日：2020-11-03

    申请号：US15364104

    申请日：2016-11-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Roland Paterson-Jones ,  Peter N. DeSantis ,  Atle Normann Jorgensen ,  Matthew S. Garman ,  Tate Andrew Certain

    IPC: G06F3/06 ,  G06F11/20 ,  G06F16/10

    Abstract: Techniques are described for managing access of executing programs to non-local block data storage. In some situations, a block data storage service uses multiple server storage systems to reliably store network-accessible block data storage volumes that may be used by programs executing on other physical computing systems. A group of multiple server block data storage systems that store block data volumes may in some situations be co-located at a data center, and programs that use volumes stored there may execute on other physical computing systems at that data center. If a program using a volume becomes unavailable, another program (e.g., another copy of the same program) may in some situations obtain access to and continue to use the same volume, such as in an automatic manner in some such situations.

    Data set capture management with forecasting
    100.
    发明授权
    Data set capture management with forecasting 有权

    公开(公告)号：US10719530B2

    公开(公告)日：2020-07-21

    申请号：US15081535

    申请日：2016-03-25

    Applicant: Amazon Technologies, Inc.

    Inventor： Tate Andrew Certain ,  Matthew S. Garman ,  Sachin Jain ,  Fiorenzo Cattaneo

    IPC: G06F16/27 ,  G06F16/11 ,  G06F16/185 ,  G06F16/23 ,  G06F11/14 ,  G06F3/06 ,  G06F11/16 ,  G06F11/20 ,  G06F11/34

    Abstract: A set of virtualized computing services may include multiple types of virtualized data store differentiated by characteristics such as latency, throughput, durability and cost. A sequence of captures of a data set from one data store to another may be scheduled to achieve a variety of virtualized computing service user and provider goals such as lowering a probability of data loss, lowering costs, and computing resource load leveling. Data set captures may be scheduled according to policies specifying fixed and flexible schedules and conditions including flexible scheduling windows, target capture frequencies, probability of loss targets and/or cost targets. Capture lifetimes may also be managed with capture retention policies, which may specify fixed and flexible lifetimes and conditions including cost targets. Such data set capture policies may be specified with a Web-based administrative interface to a control plane of the virtualized computing services.

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