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    • 5. 发明授权
    • Method of managing storage and retrieval of data objects
    • 管理数据对象的存储和检索的方法
    • US08489555B2
    • 2013-07-16
    • US13151336
    • 2011-06-02
    • John Mark MorrisCriselda CarrilloP. Keith Muller
    • John Mark MorrisCriselda CarrilloP. Keith Muller
    • G06F17/30G06F17/00
    • H03M7/30
    • A technique for managing storage of a data object in a storage device involves receiving the data object (A) to store in the storage device, where the data object has an indicator bit pattern (P). Successive compression data transformations are applied to data object A to obtain respective corresponding compressed data objects, and one of these compressed data objects is selected, such that the selected compressed data object (C) has the shortest length with respect to the remaining compressed data objects. Compression information (I) is then associated with the compression data transformation used to generate data object C, and a threshold value T is calculated at least partly from the length of compression information I. If length (C)+T.gtoreq.length (A), then the indicator bit pattern of data object A is reset and the data object A is written to the storage device. If length (C)+T
    • 用于管理存储设备中的数据对象的存储的技术涉及接收存储在存储设备中的数据对象(A),其中数据对象具有指示符位模式(P)。 将连续的压缩数据变换应用于数据对象A以获得相应的对应的压缩数据对象,并且选择这些压缩数据对象中的一个,使得所选择的压缩数据对象(C)相对于剩余的压缩数据对象具有最短的长度 。 压缩信息(I)然后与用于生成数据对象C的压缩数据变换相关联,并且至少部分地根据压缩信息I的长度来计算阈值T.如果长度(C)+ T.gtoreq.length( A),则复位数据对象A的指示符位模式,并将数据对象A写入存储装置。 如果长度(C)+ T <长度(A),则设置数据对象C的指示符位模式,压缩信息I被合并到数据对象C中,数据对象C被写入存储装置。
    • 6. 发明授权
    • Method of allocating storage space from storage devices within a computer system
    • 从计算机系统内的存储设备分配存储空间的方法
    • US08458428B2
    • 2013-06-04
    • US11669355
    • 2007-01-31
    • Peter Ian FrazierDonn Harold HoltzmanJohn Mark Morris
    • Peter Ian FrazierDonn Harold HoltzmanJohn Mark Morris
    • G06F12/00
    • G06F3/0631G06F3/0611G06F3/0689
    • A method and system for allocating storage space from storage devices within a computer system. The storage devices are grouped into respective homogeneous sets in which identical storage devices are included in the same homogeneous set. In accordance with the method and system, following receipt of an allocation request for storage space one or more stored response values are checked, the response values associated with at least one homogeneous set. The stored value or values represent the average response time of storage devices within the set. The homogenous set with the lowest average response time is selected. One or more stored allocation values are then checked that are associated with at least one storage device within the selected homogeneous set. The stored allocation value or values represent the current allocations of the associated storage device. The storage device is selected with the lowest current allocations and the storage space is allocated in the first available location on the selected device.
    • 一种用于从计算机系统内的存储设备分配存储空间的方法和系统。 存储设备被分组成相同的同组,其中相同的存储设备被包括在同一齐次集合中。 根据方法和系统,在接收到存储空间的分配请求之后,检查一个或多个存储的响应值,所述响应值与至少一个均匀集相关联。 存储的值或值表示集合内存储设备的平均响应时间。 选择具有最低平均响应时间的均匀集。 然后检查与所选均匀集合内的至少一个存储设备相关联的一个或多个存储的分配值。 存储的分配值或值表示相关联的存储设备的当前分配。 选择具有最低电流分配的存储设备,并且在所选设备上的第一可用位置中分配存储空间。
    • 7. 发明申请
    • FINE-GRAINED CAPACITY MANAGEMENT OF COMPUTING ENVIRONMENTS THAT MAY SUPPORT A DATABASE
    • 可以支持数据库的计算环境的精细化能力管理
    • US20130086374A1
    • 2013-04-04
    • US13309806
    • 2011-12-02
    • John Mark MorrisP. Keith MullerDouglas P. Brown
    • John Mark MorrisP. Keith MullerDouglas P. Brown
    • G06F9/00
    • G06F9/5011G06F2209/504Y02D10/22
    • Computing capacity of a computing environment can be managed by controlling it associated processing capacity based on a target (or desired) capacity. In addition, fine-grained control over the processing capacity can be exercised. For example, a computing system can change the processing capacity (e.g., processing rate) of at least one processor operating based on a target capacity. The computing system may also be operable to change the processing capacity based on a measured processing capacity (e.g., a measured average of various processing rates of a processor taken over a period of time when a processor may have been operating at different processing rates over that period). By way of example, the processing rate of a processor can be switched between 1/8 and 2/8 of a maximum processing rate to achieve virtually any effective processing rates between them.
    • 可以通过基于目标(或期望的)容量控制其相关联的处理能力来管理计算环境的计算能力。 另外,可以对处理能力进行细粒度的控制。 例如,计算系统可以改变基于目标容量操作的至少一个处理器的处理能力(例如,处理速率)。 计算系统还可以用于基于测量的处理能力来改变处理能力(例如,当处理器可能以不同的处理速率工作在一段时间内所采用的处理器的各种处理速率的测量平均值 期)。 作为示例,处理器的处理速率可以在最大处理速率的1/8和2/8之间切换,以实现它们之间的几乎任何有效的处理速率。
    • 9. 发明申请
    • OPTIMIZING THE EXECUTION OF A QUERY IN A MULTI-DATABASE SYSTEM
    • 优化多数据库系统中查询的执行
    • US20120265751A1
    • 2012-10-18
    • US13271867
    • 2011-10-12
    • Douglas BrownJohn Mark Morris
    • Douglas BrownJohn Mark Morris
    • G06F17/30
    • G06F17/30463G06F17/30545G06F17/30584
    • Optimizing the execution of a query in a multi-database system includes identifying a region within a table, the table being referenced in the query. The region is stored on data-storage devices on first and second system databases in the multi-database system. A first access plan for the query is developed, the first access plan comprising accessing the version of the region stored on the first system database. A second access plan for the query is developed, the second access plan comprising accessing the version of the region stored on the second system database. A selection is made between the first access plan and the second access plan to execute the query. The query is executed using the selected access plan to produce a result.
    • 在多数据库系统中优化查询的执行包括识别表中的区域,该表在查询中引用。 该区域存储在多数据库系统中的第一和第二系统数据库上的数据存储设备上。 开发了用于查询的第一访问计划,第一访问计划包括访问存储在第一系统数据库上的区域的版本。 开发了用于查询的第二访问计划,第二访问计划包括访问存储在第二系统数据库上的区域的版本。 在第一访问计划和第二访问计划之间进行选择以执行查询。 使用所选访问计划执行查询以产生结果。
    • 10. 发明申请
    • METHOD OF MANAGING STORAGE AND RETRIEVAL OF DATA OBJECTS
    • 管理数据对象存储和检索的方法
    • US20110231377A1
    • 2011-09-22
    • US13151336
    • 2011-06-02
    • John Mark MorrisCriselda CarrilloP. Keith Muller
    • John Mark MorrisCriselda CarrilloP. Keith Muller
    • G06F17/30
    • H03M7/30
    • A technique for managing storage of a data object in a storage device involves receiving the data object (A) to store in the storage device, where the data object has an indicator bit pattern (P). Successive compression data transformations are applied to data object A to obtain respective corresponding compressed data objects, and one of these compressed data objects is selected, such that the selected compressed data object (C) has the shortest length with respect to the remaining compressed data objects. Compression information (I) is then associated with the compression data transformation used to generate data object C, and a threshold value T is calculated at least partly from the length of compression information I. If length (C)+T.gtoreq.length (A), then the indicator bit pattern of data object A is reset and the data object A is written to the storage device. If length (C)+T
    • 用于管理存储设备中的数据对象的存储的技术涉及接收存储在存储设备中的数据对象(A),其中数据对象具有指示符位模式(P)。 将连续的压缩数据变换应用于数据对象A以获得相应的对应的压缩数据对象,并且选择这些压缩数据对象中的一个,使得所选择的压缩数据对象(C)相对于剩余的压缩数据对象具有最短的长度 。 压缩信息(I)然后与用于生成数据对象C的压缩数据变换相关联,并且至少部分地根据压缩信息I的长度来计算阈值T.如果长度(C)+ T.gtoreq.length( A),则复位数据对象A的指示符位模式,并将数据对象A写入存储装置。 如果长度(C)+ T <长度(A),则设置数据对象C的指示符位模式,压缩信息I被合并到数据对象C中,数据对象C被写入存储装置。