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    Reallocating unused memory databus utilization to another processor when utilization is below a threshold
    4.
    发明授权
    Reallocating unused memory databus utilization to another processor when utilization is below a threshold 有权
    当利用率低于阈值时，将未使用的内存数据总线利用率重新分配给另一个处理器

    公开(公告)号：US09317427B2

    公开(公告)日：2016-04-19

    申请号：US14514009

    申请日：2014-10-14

    Applicant: International Business Machines Corporation

    Inventor： Donald R. DeSota ,  Rajendra D. Panda ,  Venkat R. Indukuru ,  Joseph H. Robichaux ,  Robert H. Bell, Jr. ,  Steven P. Hartman

    IPC: G06F9/46 ,  G06F12/06 ,  G06F9/50 ,  G06F13/16

    CPC classification number: G06F12/0646 ,  G06F9/5011 ,  G06F9/5083 ,  G06F13/16 ,  G06F2212/1016

    Abstract: According to one aspect of the present disclosure a method and technique for managing memory access is disclosed. The method includes setting a memory databus utilization threshold for each of a plurality of processors of a data processing system to maintain memory databus utilization of the data processing system at or below a system threshold. The method also includes monitoring memory databus utilization for the plurality of processors and, in response to determining that memory databus utilization for at least one of the processors is below its threshold, reallocating at least a portion of unused databus utilization from the at least one processor to at least one of the other processors.

    Abstract translation: 根据本公开的一个方面，公开了一种用于管理存储器存取的方法和技术。 该方法包括为数据处理系统的多个处理器中的每个处理器设置存储器数据总线利用阈值，以将数据处理系统的存储器数据总线利用维持在系统阈值以下。 该方法还包括监视多个处理器的存储器数据总线利用率，并且响应于确定至少一个处理器的存储器数据总线利用率低于其阈值，从至少一个处理器重新分配未使用的数据总线利用的至少一部分 到至少一个其他处理器。

    Dynamically adjusting the number of replicas of a file according to the probability that the file will be accessed within a distributed file system
    5.
    发明授权
    Dynamically adjusting the number of replicas of a file according to the probability that the file will be accessed within a distributed file system 有权
    根据在分布式文件系统中访问文件的概率，动态地调整文件的副本数

    公开(公告)号：US09348707B2

    公开(公告)日：2016-05-24

    申请号：US14132289

    申请日：2013-12-18

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Sujatha Kashyap ,  Lisa B. Maurice ,  Joseph H. Robichaux

    IPC: G06F17/30 ,  G06F11/14 ,  G06F3/06

    CPC classification number: G06F11/1492 ,  G06F3/06 ,  G06F3/0605 ,  G06F3/065 ,  G06F3/067 ,  G06F17/30082 ,  G06F17/30212

    Abstract: In a distributed file system with a number of replicas of a file set to two or more replicas, a computer sets a timer to track a time since a last access to the file, wherein the replicas of the file are distributed across two or more nodes within the distributed file system. Responsive to an access to the file prior to the timer reaching a first timer window threshold, the computer resets the timer. Responsive to the timer matching a first timer window threshold, the computer automatically reduces a number of replicas of the file within the distributed file system, wherein the probability that the file will be accessed prior to the first timer window threshold is greater than the probability that the file will be accessed after the first timer window threshold.

    Abstract translation: 在具有设置为两个或多个副本的文件的多个副本的分布式文件系统中，计算机设置定时器以跟踪自上次访问文件以来的时间，其中文件的副本分布在两个或多个节点 在分布式文件系统内。 在定时器达到第一定时器窗口阈值之前，响应于对文件的访问，计算机复位定时器。 响应于匹配第一定时器窗口阈值的定时器，计算机自动减少分布式文件系统内的文件的多个副本，其中在第一定时器窗口阈值之前文件将被访问的概率大于 该文件将在第一个定时器窗口阈值之后被访问。

    MEMORY MANAGEMENT SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT
    6.
    发明申请
    MEMORY MANAGEMENT SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT 有权
    内存管理系统，方法和计算机程序产品

    公开(公告)号：US20150032977A1

    公开(公告)日：2015-01-29

    申请号：US14514009

    申请日：2014-10-14

    Applicant: International Business Machines Corporation

    Inventor： Donald R. DeSota ,  Rajendra D. Panda ,  Venkat R. Indukuru ,  Joseph H. Robichaux ,  Robert H. Bell, JR. ,  Steven P. Hartman

    IPC: G06F12/06 ,  G06F9/50

    CPC classification number: G06F12/0646 ,  G06F9/5011 ,  G06F9/5083 ,  G06F13/16 ,  G06F2212/1016

    Abstract: According to one aspect of the present disclosure a method and technique for managing memory access is disclosed. The method includes setting a memory databus utilization threshold for each of a plurality of processors of a data processing system to maintain memory databus utilization of the data processing system at or below a system threshold. The method also includes monitoring memory databus utilization for the plurality of processors and, in response to determining that memory databus utilization for at least one of the processors is below its threshold, reallocating at least a portion of unused databus utilization from the at least one processor to at least one of the other processors.

    Abstract translation: 根据本公开的一个方面，公开了一种用于管理存储器存取的方法和技术。 该方法包括为数据处理系统的多个处理器中的每个处理器设置存储器数据总线利用阈值，以将数据处理系统的存储器数据总线利用维持在系统阈值以下。 该方法还包括监视多个处理器的存储器数据总线利用率，并且响应于确定至少一个处理器的存储器数据总线利用率低于其阈值，从至少一个处理器重新分配未使用的数据总线利用的至少一部分 到至少一个其他处理器。

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