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    Managing redundant immutable files using deduplication in storage clouds
    7.
    发明授权
    Managing redundant immutable files using deduplication in storage clouds 有权
    在存储云中使用重复数据删除管理冗余的不可变文件

    公开(公告)号：US09158783B2

    公开(公告)日：2015-10-13

    申请号：US14516740

    申请日：2014-10-17

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Gaurav Chhaunker ,  Bhushan P. Jain ,  Sandeep R. Patil ,  Sri Ramanathan ,  Matthew B. Trevathan

    IPC: G06F7/00 ,  G06F17/00 ,  G06F17/30 ,  H04L29/08

    CPC classification number: G06F17/3015 ,  G06F7/00 ,  G06F17/30 ,  G06F17/30091 ,  G06F17/30117 ,  G06F17/30156 ,  G06F17/30194 ,  G06F17/30377 ,  H04L67/02

    Abstract: A method includes receiving a request to save a first file as immutable. The method also includes searching for a second file that is saved and is redundant to the first file. The method further includes determining the second file is one of mutable and immutable. When the second file is mutable, the method includes saving the first file as a master copy, and replacing the second file with a soft link pointing to the master copy. When the second file is immutable, the method includes determining which of the first and second files has a later expiration date and an earlier expiration date, saving the one of the first and second files with the later expiration date as a master copy, and replacing the one of the first and second files with the earlier expiration date with a soft link pointing to the master copy.

    Abstract translation: 一种方法包括接收将第一个文件保存为不可变的请求。 该方法还包括搜索被保存并且对第一文件是冗余的第二文件。 该方法还包括确定第二文件是可变和不可变的之一。 当第二个文件是可变的时，该方法包括将第一个文件保存为主副本，并用指向主副本的软链接替换第二个文件。 当第二文件是不可变的时，该方法包括确定第一和第二文件中的哪一个具有以后的到期日期和较早的截止日期，将具有较晚截止日期的第一和第二文件中的一个保存为主副本，并将其替换 第一个和第二个文件之一，具有早期到期日期，软链接指向主副本。

    Virtual node subpool management
    8.
    发明授权
    Virtual node subpool management 有权
    虚拟节点子池管理

    公开(公告)号：US09092452B2

    公开(公告)日：2015-07-28

    申请号：US13928736

    申请日：2013-06-27

    Applicant: International Business Machines Corporation

    Inventor： Abhinay R. Nagpal ,  Sandeep Ramesh Patil ,  Sri Ramanathan ,  Matthew B. Trevathan

    IPC: G06F17/30

    CPC classification number: G06F17/30233

    Abstract: Virtual file system virtual nodes are grouped in subpools in response to identified resource components and managed as a function of their subpool groupings. Virtual nodes are decomposed into individual components linked to each other within each node. The components that have repetitive accesses by applications within the virtual file system and their respective frequencies of repetitive access are identified. Modules of linked occurrences of the repetitive components within each of the plurality of virtual nodes are formed, and subsets of the virtual nodes sharing common modules are grouped into subpools. Accordingly, in response to an application of the virtual file system requesting a service that is satisfied by a subpool common module, selection of a virtual node for reinitiating for reuse by the application is restricted to virtual nodes within the subpool associated with the common module.

    Abstract translation: 虚拟文件系统虚拟节点根据识别的资源组件进行分组，并作为其子分组的功能进行管理。 虚拟节点被分解成在每个节点内彼此链接的各个组件。 识别虚拟文件系统中应用程序重复访问的组件及其相应的重复访问频率。 形成多个虚拟节点内的重复组件的链接出现的模块，并且共享公共模块的虚拟节点的子集被分组成子项目。 因此，响应于请求由子公共模块所满足的服务的虚拟文件系统的应用，用于由应用重新启动以供重用的虚拟节点的选择被限制到与公共模块相关联的子池内的虚拟节点。

    Managing redundant immutable files using deduplication in storage clouds
    9.
    发明授权
    Managing redundant immutable files using deduplication in storage clouds 有权
    在存储云中使用重复数据删除管理冗余的不可变文件

    公开(公告)号：US08892521B2

    公开(公告)日：2014-11-18

    申请号：US13891589

    申请日：2013-05-10

    Applicant: International Business Machines Corporation

    Inventor： Gaurav Chhaunker ,  Bhushan P. Jain ,  Sandeep R. Patil ,  Sri Ramanathan ,  Matthew B. Trevathan

    IPC: G06F7/00 ,  G06F17/00 ,  G06F17/30

    CPC classification number: G06F17/3015 ,  G06F7/00 ,  G06F17/30 ,  G06F17/30091 ,  G06F17/30117 ,  G06F17/30156 ,  G06F17/30194 ,  G06F17/30377 ,  H04L67/02

    Abstract: A method includes receiving a request to save a first file as immutable. The method also includes searching for a second file that is saved and is redundant to the first file. The method further includes determining the second file is one of mutable and immutable. When the second file is mutable, the method includes saving the first file as a master copy, and replacing the second file with a soft link pointing to the master copy. When the second file is immutable, the method includes determining which of the first and second files has a later expiration date and an earlier expiration date, saving the one of the first and second files with the later expiration date as a master copy, and replacing the one of the first and second files with the earlier expiration date with a soft link pointing to the master copy.

    Abstract translation: 一种方法包括接收将第一个文件保存为不可变的请求。 该方法还包括搜索被保存并且对第一文件是冗余的第二文件。 该方法还包括确定第二文件是可变和不可变的之一。 当第二个文件是可变的时，该方法包括将第一个文件保存为主副本，并用指向主副本的软链接替换第二个文件。 当第二文件是不可变的时，该方法包括确定第一和第二文件中的哪一个具有以后的到期日期和较早的截止日期，将具有较晚截止日期的第一和第二文件中的一个保存为主副本，并将其替换 第一个和第二个文件之一，具有早期到期日期，软链接指向主副本。

    OPTIMAL PERSISTENCE OF A BUSINESS PROCESS
    10.
    发明申请
    OPTIMAL PERSISTENCE OF A BUSINESS PROCESS 有权
    业务流程的最佳持续时间

    公开(公告)号：US20130339279A1

    公开(公告)日：2013-12-19

    申请号：US13974133

    申请日：2013-08-23

    Applicant: International Business Machines Corporation

    Inventor： Abhinay R. Nagpal ,  Sri Ramanathan ,  Sandeep Ramesh ,  Gandhi Sivakumar ,  Matthew B. Trevathan

    IPC: G06N3/08

    CPC classification number: G06N3/084 ,  G06F17/3041 ,  G06F17/30607 ,  G06N3/08 ,  G06Q10/06

    Abstract: Aspects of the invention provide for automatically selecting optimal fetch settings for business processes as a function of database query load and relational context by determining whether data loaded for data retrieval points is dependent upon a query result from another query process and automatically selecting an eager fetch setting if dependent upon a query result from another query process, or a lazy fetch setting if not. Usage of the data retrieval points is monitored with respect to defined units of work to define retrieval patterns and automatically update the fetch settings, including by revising selected eager fetch settings to lazy fetch settings if a data size of a defined retrieval pattern is larger than a permissible memory resource threshold.

    Abstract translation: 本发明的各方面提供了通过确定数据检索点加载的数据是否取决于来自另一个查询过程的查询结果并自动选择急速取出设置来自动选择作为数据库查询负载和关系上下文的函数的业务处理的最佳提取设置 如果依赖于另一个查询过程的查询结果，或者如果不是，则依赖于延迟提取设置。 对于定义的工作单元来监视数据检索点的使用以定义检索模式并自动更新提取设置，包括如果所定义的检索模式的数据大小大于一个，则将所选择的急速提取设置修改为延迟提取设置 允许的内存资源阈值。

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