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    TECHNIQUES FOR CAPTURING DATA SETS
    1.
    发明申请
    TECHNIQUES FOR CAPTURING DATA SETS 审中-公开
    捕获数据集的技术

    公开(公告)号：WO2012087946A1

    公开(公告)日：2012-06-28

    申请号：PCT/US2011/065869

    申请日：2011-12-19

    Applicant: AMAZON TECHNOLOGIES, INC. ,  CERTAIN, Tate, Andrew ,  JAIN, Sachin ,  HAMILTON, James, R. ,  CATTANEO, Fiorenzo ,  WEI, Danny ,  SUNDERLAND, David, N.

    Inventor： CERTAIN, Tate, Andrew ,  JAIN, Sachin ,  HAMILTON, James, R. ,  CATTANEO, Fiorenzo ,  WEI, Danny ,  SUNDERLAND, David, N.

    IPC: G06F17/00

    CPC classification number: G06F15/167 ,  G06F9/52 ,  G06F17/30171 ,  H04L67/1097

    Abstract: Techniques, including systems and methods, for capturing data sets include performing a client-side two-phase commit to ensure one or more data consistency conditions. A logical volume may represent a data set that is distributed among a plurality of physical storage devices. One or more client devices are instructed to block at least acknowledgment of write operations. When the one or more client devices have blocked at least acknowledgment of write operations, one or more servers in communication with the physical storage devices are instructed to capture corresponding portions of the data set. When the servers have been instructed to capture corresponding portions of the data set, the client devices are instructed to resume at least acknowledgment of write operations.

    Abstract translation: 用于捕获数据集的技术（包括系统和方法）包括执行客户端两阶段提交以确保一个或多个数据一致性条件。 逻辑卷可以表示分布在多个物理存储设备之间的数据集。 指示一个或多个客户端设备至少阻止写入操作的确认。 当一个或多个客户端设备至少阻止写操作的确认时，指示与物理存储设备通信的一个或多个服务器捕获数据集的相应部分。 当指示服务器捕获数据集的相应部分时，指示客户端设备至少恢复写入操作的确认。

    DYNAMICALLY MODIFYING DURABILITY PROPERTIES FOR INDIVIDUAL DATA VOLUMES
    2.
    发明申请
    DYNAMICALLY MODIFYING DURABILITY PROPERTIES FOR INDIVIDUAL DATA VOLUMES 审中-公开
    动态修改个体数据量的耐久性

    公开(公告)号：WO2015138376A1

    公开(公告)日：2015-09-17

    申请号：PCT/US2015/019576

    申请日：2015-03-10

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： WEI, Danny ,  LEE, Kerry Quintin ,  HE, Jiahua ,  HAWKS, Benjamin Arthur ,  GUTHRIE, II, John Luther ,  THOMPSON, James Michael

    IPC: G06F15/16

    CPC classification number: G06F12/0866 ,  G06F11/14 ,  G06F11/1471 ,  G06F11/3409 ,  G06F11/3485 ,  G06F12/0804 ,  G06F12/0868 ,  G06F2201/885 ,  G06F2212/1016 ,  G06F2212/1032 ,  G06F2212/313 ,  G06F2212/461 ,  G06F2212/502

    Abstract: A block-based storage system may implement dynamic durability adjustment for page cache write logging. A rate of incoming write requests for data volumes maintained at a storage node may be monitored. Based, at least in part, on the rate of incoming write requests, a dynamic modification to a durability property for a data volume may be made, such as enabling page cache write logging the data volume or disabling write logging for the data volume. When incoming write requests are received, a determination may be made as to whether page cache write logging for a particular data volume is enabled. For write requests with disabled page cache write logging, the page cache may be updated and the write request may be acknowledged without storing a log record describing the update in a page cache write log.

    Abstract translation: 基于块的存储系统可以实现页面缓存写入日志记录的动态耐久性调整。 可以监视在存储节点处维护的数据卷的传入写入请求的速率。 至少部分地基于传入写入请求的速率，可以对数据卷的耐久性属性进行动态修改，例如使页面缓存写入记录数据卷或禁用数据卷的写日志记录。 当接收到进入的写入请求时，可以确定是否启用特定数据卷的页面缓存写入日志记录。 对于具有禁用页面缓存写入日志记录的写入请求，可以更新页面缓存，并且可以确认写入请求，而不将描述更新的日志记录存储在页面缓存写入日志中。

    NETWORK-ACCESSIBLE DATA VOLUME MODIFICATION
    3.
    发明申请
    NETWORK-ACCESSIBLE DATA VOLUME MODIFICATION 审中-公开
    网络可访问数据量修改

    公开(公告)号：WO2018005666A1

    公开(公告)日：2018-01-04

    申请号：PCT/US2017/039793

    申请日：2017-06-28

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BROUWER, Pieter, Kristian ,  OLSON, Marc, Stephen ,  ARUMIGAM, Nachiappan ,  THACKER, Michael ,  RAJAVENEKATESWARAN, Vijay, Prasanth ,  TRIPATHI, Arpit ,  WEI, Danny

    IPC: G06F9/50 ,  G06F3/06 ,  G06F11/20

    Abstract: A user can set or modify operational parameters of a data volume stored on a network-accessible storage device in a data center. For example, the user may be provided access to a data volume and may request a modification to the operational parameters of the data volume. Instead of modifying the existing data volume, the data center can provision a new data volume and migrate data stored on the existing data volume to the new data volume. While the data migration takes place, the existing data volume may block input/output (I/O) requests and the new data volume may handle such requests instead. Once the data migration is complete, the data center may deallocate the data blocks of the existing data volume such that the data blocks can be reused by other data volumes. If a request is received for data not yet migrated to the new data volume, then the new data volume prioritizes a migration of the requested data.

    Abstract translation: 用户可以设置或修改存储在数据中心的网络可访问存储设备上的数据卷的操作参数。 例如，用户可以被提供对数据量的访问并且可以请求修改数据量的操作参数。 数据中心可以提供新的数据卷，并将存储在现有数据卷上的数据迁移到新的数据卷，而不是修改现有的数据卷。 当数据迁移发生时，现有数据卷可能阻止输入/输出（I / O）请求，新数据卷可能会处理这些请求。 数据迁移完成后，数据中心可以取消分配现有数据卷的数据块，以便数据块可以被其他数据卷重复使用。 如果收到尚未迁移到新数据卷的数据请求，则新数据卷会优先迁移所请求的数据。

    REDUCING DATA VOLUME DURABILITY STATE FOR BLOCK-BASED STORAGE
    4.
    发明申请
    REDUCING DATA VOLUME DURABILITY STATE FOR BLOCK-BASED STORAGE 审中-公开
    减少基于块的存储的数据量可持续性状态

    公开(公告)号：WO2015138221A1

    公开(公告)日：2015-09-17

    申请号：PCT/US2015/019087

    申请日：2015-03-06

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： WEI, Danny ,  LEE, Kerry Quintin ,  THOMPSON, James Michael ,  GUTHRIE, II, John Luther ,  FAN, Jianhua ,  GOPALAKRISHNAN, Nandakumar

    IPC: G06F12/16

    CPC classification number: G06F17/30575 ,  G06F3/0604 ,  G06F3/0611 ,  G06F3/0623 ,  G06F3/064 ,  G06F3/065 ,  G06F3/0665 ,  G06F3/067 ,  G06F3/0683 ,  G06F11/2069 ,  H04L67/1095 ,  H04L67/1097

    Abstract: A block-based storage system may implement reducing durability state for a data volume. A determination may be made that storage node replicating write requests for a data volume is unavailable. In response, subsequent write requests may be processed according to a reduced durability state for the data volume such that replication for the data volume may be disabled for the storage node. Write requests may then be completed at a fewer number of storage nodes prior to acknowledging the write request as complete. Durability state for the data volume may be increase in various embodiments. A storage node may be identified and replication operations may be performed to synchronize the current data volume at the storage node with a replica of the data volume maintained at the identified storage node.

    Abstract translation: 基于块的存储系统可以实现数据量的降低耐久性状态。 可以确定复制对数据卷的写入请求的存储节点不可用。 作为响应，可以根据数据卷的减少的耐久性状态来处理随后的写入请求，使得对于存储节点可以禁用数据卷的复制。 然后，在将写入请求确认为完成之前，可以在较少数量的存储节点上完成写入请求。 在各种实施例中，数据量的耐久性状态可能会增加。 可以识别存储节点，并且可以执行复制操作以使存储节点处的当前数据卷与在所识别的存储节点处维护的数据卷的副本同步。

    NETWORK-ACCESSIBLE DATA VOLUME MODIFICATION
    8.
    发明申请
    NETWORK-ACCESSIBLE DATA VOLUME MODIFICATION 审中-公开

    公开(公告)号：WO2018005666A8

    公开(公告)日：2018-01-04

    申请号：PCT/US2017/039793

    申请日：2017-06-28

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BROUWER, Pieter, Kristian ,  OLSON, Marc, Stephen ,  ARUMUGAM, Nachiappan ,  THACKER, Michael ,  RAJAVENKATESWARAN, Vijay, Prasanth ,  TRIPATHI, Arpit ,  WEI, Danny

    IPC: G06F9/50 ,  G06F3/06 ,  G06F11/20

    Abstract: A user can set or modify operational parameters of a data volume stored on a network-accessible storage device in a data center. For example, the user may be provided access to a data volume and may request a modification to the operational parameters of the data volume. Instead of modifying the existing data volume, the data center can provision a new data volume and migrate data stored on the existing data volume to the new data volume. While the data migration takes place, the existing data volume may block input/output (I/O) requests and the new data volume may handle such requests instead. Once the data migration is complete, the data center may deallocate the data blocks of the existing data volume such that the data blocks can be reused by other data volumes. If a request is received for data not yet migrated to the new data volume, then the new data volume prioritizes a migration of the requested data.

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