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1. 发明授权

US08214609B2 Data transference to virtual memory 有权
标题翻译：数据转移到虚拟内存
公开(公告)号：US08214609B2
公开(公告)日：2012-07-03
申请号：US12174476
申请日：2008-07-16
申请人： Shashidhar Bomma , Andrew Dunshea , Douglas J. Griffith , Jean-Philippe Sugarbroad
发明人： Shashidhar Bomma , Andrew Dunshea , Douglas J. Griffith , Jean-Philippe Sugarbroad
IPC分类号： G06F12/12
CPC分类号： G06F12/10 , G06F9/45537 , G06F2009/45583
摘要： Some embodiments comprise a method for selecting data to be transferred to a storage space of virtual memory and include identifying a set of data and determining subsets. Determining subsets may allow for delays before transferring the subsets and allow access to memory of the subsets during the delays. Accesses during the delays may enable embodiments to select other data to be transferred to the storage space and prevent transference of the accessed data. Other embodiments comprise apparatuses that have a paging space, a page identifier, and a page transferrer to transfer pages to the paging space after a delay. The delay may prevent a number of pages from being transferred to the paging space, such as for pages that were accessed during the delay.
摘要翻译：一些实施例包括用于选择要传送到虚拟存储器的存储空间的数据的方法，并且包括识别一组数据和确定子集。确定子集可以允许在传送子集之前的延迟，并允许在延迟期间访问子集的存储器。延迟期间的访问可以使实施例能够选择要传送到存储空间的其他数据，并防止所访问的数据的传送。其他实施例包括具有寻呼空间的装置，页面标识符和页面传送器，以在延迟之后将页面传送到寻呼空间。延迟可以防止将多页传送到寻呼空间，例如在延迟期间被访问的页面。

2. 发明申请

US20100017576A1 Data Transference to Virtual Memory 有权
标题翻译：数据转移到虚拟内存
公开(公告)号：US20100017576A1
公开(公告)日：2010-01-21
申请号：US12174476
申请日：2008-07-16
申请人： Shashidhar Bomma , Andrew Dunshea , Douglas J. Griffith , Jean-Philippe Sugarbroad
发明人： Shashidhar Bomma , Andrew Dunshea , Douglas J. Griffith , Jean-Philippe Sugarbroad
IPC分类号： G06F12/02
CPC分类号： G06F12/10 , G06F9/45537 , G06F2009/45583
摘要： Some embodiments comprise a method for selecting data to be transferred to a storage space of virtual memory and include identifying a set of data and determining subsets. Determining subsets may allow for delays before transferring the subsets and allow access to memory of the subsets during the delays. Accesses during the delays may enable embodiments to select other data to be transferred to the storage space and prevent transference of the accessed data. Other embodiments comprise apparatuses that have a paging space, a page identifier, and a page transferrer to transfer pages to the paging space after a delay. The delay may prevent a number of pages from being transferred to the paging space, such as for pages that were accessed during the delay.
摘要翻译：一些实施例包括用于选择要传送到虚拟存储器的存储空间的数据的方法，并且包括识别一组数据和确定子集。确定子集可以允许在传送子集之前的延迟，并允许在延迟期间访问子集的存储器。延迟期间的访问可以使实施例能够选择要传送到存储空间的其他数据，并防止所访问的数据的传送。其他实施例包括具有寻呼空间的装置，页面标识符和页面传送器，以在延迟之后将页面传送到寻呼空间。延迟可以防止将多页传送到寻呼空间，例如在延迟期间被访问的页面。

3. 发明授权

US08417903B2 Preselect list using hidden pages 失效
标题翻译：使用隐藏页面预选列表
公开(公告)号：US08417903B2
公开(公告)日：2013-04-09
申请号：US12339443
申请日：2008-12-19
申请人： Abraham Alvarez , Andrew Dunshea , Douglas J. Griffith
发明人： Abraham Alvarez , Andrew Dunshea , Douglas J. Griffith
IPC分类号： G06F12/12
CPC分类号： G06F12/1009 , G06F12/12 , G06F2212/1016
摘要： Disclosed is a computer implemented method, computer program product, and apparatus for maintaining a preselect list. The method comprises software components detecting a page fault of a memory page. In response to detecting a page fault, the software components determine whether the memory page is referenced in the preselect list and unhide the memory page. Upon determining whether the memory page is referenced in the preselect list, the software components remove an entry of the preselect list corresponding to the memory page to form at least one removed candidate page and skip paging-out of the at least one removed candidate page.
摘要翻译：公开了一种用于维护预选列表的计算机实现方法，计算机程序产品和装置。该方法包括检测存储器页的页错误的软件组件。响应于检测到页面错误，软件组件确定在预选列表中是否引用了存储器页面，并取消隐藏存储器页面。在确定在预选列表中是否引用存储器页面时，软件组件移除对应于存储器页面的预选列表的条目以形成至少一个移除的候选页面，并跳过至少一个移除的候选页面的寻呼。

4. 发明申请

US20100161934A1 PRESELECT LIST USING HIDDEN PAGES 失效
标题翻译：使用隐藏页的预约清单
公开(公告)号：US20100161934A1
公开(公告)日：2010-06-24
申请号：US12339443
申请日：2008-12-19
申请人： Abraham Alvarez , Andrew Dunshea , Douglas J. Griffith
发明人： Abraham Alvarez , Andrew Dunshea , Douglas J. Griffith
IPC分类号： G06F12/10
CPC分类号： G06F12/1009 , G06F12/12 , G06F2212/1016
摘要： Disclosed is a computer implemented method, computer program product, and apparatus for maintaining a preselect list. The method comprises software components detecting a page fault of a memory page. In response to detecting a page fault, the software components determine whether the memory page is referenced in the preselect list and unhide the memory page. Upon determining whether the memory page is referenced in the preselect list, the software components remove an entry of the preselect list corresponding to the memory page to form at least one removed candidate page and skip paging-out of the at least one removed candidate page.
摘要翻译：公开了一种用于维护预选列表的计算机实现方法，计算机程序产品和装置。该方法包括检测存储器页的页错误的软件组件。响应于检测到页面错误，软件组件确定在预选列表中是否引用了存储器页面，并取消隐藏存储器页面。在确定在预选列表中是否引用存储器页面时，软件组件移除对应于存储器页面的预选列表的条目以形成至少一个移除的候选页面，并跳过至少一个移除的候选页面的寻呼。

5. 发明授权

US08694821B2 Generation of standby images of applications 失效
标题翻译：生成应用程序的待机映像
公开(公告)号：US08694821B2
公开(公告)日：2014-04-08
申请号：US12960380
申请日：2010-12-03
申请人： Douglas J. Griffith , Angela A. Jaehde , Manjunath B. Muttur
发明人： Douglas J. Griffith , Angela A. Jaehde , Manjunath B. Muttur
IPC分类号： G06F11/00
CPC分类号： G06F11/1482 , G06F11/1484 , G06F11/2041 , G06F11/2046 , G06F11/2097
摘要： Embodiments that generate checkpoint images of an application for use as warm standby are contemplated. The embodiments may monitor accesses of external references by threads. An external reference may comprise a connection or use of services of an entity that is external to the set of processes that constitute the application, to which a process of the application attempts to connect by means of a socket or inter-process communication (IPC). Various embodiments comprise two or more computing devices, such as two or more servers. One of the computing devices may generate a checkpoint image of an application at a suitable point in time during initialization, when the state of the application is not yet dependent on interactions with external references. The second computing device may preload checkpoint image for the application and activate the checkpoint images when needed, following the specific resource management rules of the distributed subsystem.
摘要翻译：考虑生成用作热备用的应用的检查点图像的实施例。实施例可以监视线程对外部引用的访问。外部参考可以包括在构成应用的一组进程外部的实体的服务的连接或使用，应用程序尝试通过套接字或进程间通信（IPC）连接到该应用程序，。各种实施例包括两个或更多个计算设备，诸如两个或更多个服务器。当应用程序的状态还不依赖于与外部参考的交互时，其中一个计算设备可以在初始化期间的适当时间点生成应用程序的检查点映像。第二计算设备可以为应用预加载检查点图像，并且在需要时激活检查点图像，遵循分布式子系统的特定资源管理规则。

6. 发明授权

US08713362B2 Obviation of recovery of data store consistency for application I/O errors 有权
标题翻译：数据存储恢复的应用I / O错误的一致性的恢复
公开(公告)号：US08713362B2
公开(公告)日：2014-04-29
申请号：US12958389
申请日：2010-12-01
申请人： Douglas J. Griffith , Angela A. Jaehde , Somasundaram Krishnasamy , Stephen A. Schlachter
发明人： Douglas J. Griffith , Angela A. Jaehde , Somasundaram Krishnasamy , Stephen A. Schlachter
IPC分类号： G06F11/00
CPC分类号： G06F11/1443 , G06F11/1482 , G06F11/2007 , G06F11/202 , G06F2201/815
摘要： Embodiments comprise a plurality of computing devices that dynamically intercept process application I/O errors. Various embodiments comprise two or more computing devices, such as two or more servers, each having access to a shared data storage system. An application may be executing on the first computing device and performing an I/O operation when an I/O error occurs. The first computing device may intercept the I/O error, rather than passing it back to the application, and prevent the error from affecting the application. The first computing device may complete the I/O operation, and any other pending I/O operations not written to disk, via an alternate path, perform a checkpoint operation to capture the state of the set of processes associated with the application, and transfer the checkpoint image to the second computing device. The second computing device may resume operation of the application from the checkpoint image.
摘要翻译：实施例包括动态地截取过程应用I / O错误的多个计算设备。各种实施例包括两个或更多个计算设备，诸如两个或更多个服务器，每个服务器都可以访问共享数据存储系统。应用可以在第一计算设备上执行并且当发生I / O错误时执行I / O操作。第一个计算设备可能会拦截I / O错误，而不是将其传回应用程序，并防止错误影响应用程序。第一个计算设备可以完成I / O操作，而通过备用路径未写入磁盘的任何其他挂起的I / O操作执行检查点操作，以捕获与该应用程序相关联的一组进程的状态，并传送检查点图像到第二计算设备。第二计算设备可以从检查点图像恢复应用的操作。

7. 发明申请

US20120144232A1 Generation of Standby Images of Applications 失效
标题翻译：生成应用程序的待机图像
公开(公告)号：US20120144232A1
公开(公告)日：2012-06-07
申请号：US12960380
申请日：2010-12-03
申请人： Douglas J. Griffith , Angela A. Jaehde , Manjunath B. Muttur
发明人： Douglas J. Griffith , Angela A. Jaehde , Manjunath B. Muttur
IPC分类号： G06F11/20 , G06F11/07
CPC分类号： G06F11/1482 , G06F11/1484 , G06F11/2041 , G06F11/2046 , G06F11/2097
摘要： Embodiments that generate checkpoint images of an application for use as warm standby are contemplated. The embodiments may monitor accesses of external references by threads. An external reference may comprise a connection or use of services of an entity that is external to the set of processes that constitute the application, to which a process of the application attempts to connect by means of a socket or inter-process communication (IPC). Various embodiments comprise two or more computing devices, such as two or more servers. One of the computing devices may generate a checkpoint image of an application at a suitable point in time during initialization, when the state of the application is not yet dependent on interactions with external references. The second computing device may preload checkpoint image for the application and activate the checkpoint images when needed, following the specific resource management rules of the distributed subsystem.
摘要翻译：考虑生成用作热备用的应用的检查点图像的实施例。实施例可以监视线程对外部引用的访问。外部参考可以包括在构成应用的一组进程外部的实体的服务的连接或使用，应用程序尝试通过套接字或进程间通信（IPC）连接到该应用程序，。各种实施例包括两个或更多个计算设备，诸如两个或更多个服务器。当应用程序的状态还不依赖于与外部参考的交互时，其中一个计算设备可以在初始化期间的适当时间点生成应用程序的检查点映像。第二计算设备可以为应用预加载检查点图像，并且在需要时激活检查点图像，遵循分布式子系统的特定资源管理规则。

8. 发明授权

US08607098B2 Generating appropriately sized core files used in diagnosing application crashes 有权
标题翻译：生成用于诊断应用程序崩溃的适当大小的核心文件
公开(公告)号：US08607098B2
公开(公告)日：2013-12-10
申请号：US13116179
申请日：2011-05-26
申请人： Amar Devegowda , Douglas J. Griffith , Venkataraghavan Lakshminarayanachar , Lohitashwa Thyagaraj
发明人： Amar Devegowda , Douglas J. Griffith , Venkataraghavan Lakshminarayanachar , Lohitashwa Thyagaraj
IPC分类号： G06F11/00
CPC分类号： G06F11/079
摘要： A method, system and computer program product for generating appropriately sized core files used in diagnosing application crashes. An instruction pointer corresponding to the instruction that led to the application crash is identified. Address ranges of the garbage collection module and the compiler module are obtained. A determination is made as to whether the address of the instruction pointer lies within any of these address ranges for each stack frame in a crash stack. If it does not, then read or write instructions executed prior to the instruction that led to the application crash are identified for each stack frame in the crash stack. If a value of a register involved in such read or write instructions is within the address range of the compiled code buffers and/or heap, then the compiled code buffers and/or heap need to be included in the core file; otherwise, they do not.
摘要翻译：一种方法，系统和计算机程序产品，用于生成用于诊断应用程序崩溃的适当大小的核心文件。识别与导致应用程序崩溃的指令对应的指令指针。获取垃圾收集模块和编译器模块的地址范围。确定指令指针的地址是否在崩溃堆栈中的每个堆栈帧的这些地址范围的任何一个内。如果没有，则在崩溃堆栈中为每个堆栈帧识别导致应用程序崩溃的指令之前执行的指令。如果这种读取或写入指令中涉及的寄存器的值在编译代码缓冲区和/或堆的地址范围内，则编译代码缓冲区和/或堆需要包含在核心文件中; 否则，他们没有。

9. 发明申请

US20120304015A1 GENERATING APPROPRIATELY SIZED CORE FILES USED IN DIAGNOSING APPLICATION CRASHES 有权
标题翻译：生成用于诊断应用程序碰撞的适当尺寸的核心文件
公开(公告)号：US20120304015A1
公开(公告)日：2012-11-29
申请号：US13116179
申请日：2011-05-26
申请人： Amar Devegowda , Douglas J. Griffith , Venkataraghavan Lakshminarayanachar , Lohitashwa Thyagaraj
发明人： Amar Devegowda , Douglas J. Griffith , Venkataraghavan Lakshminarayanachar , Lohitashwa Thyagaraj
IPC分类号： G06F11/36
CPC分类号： G06F11/079
摘要： A method, system and computer program product for generating appropriately sized core files used in diagnosing application crashes. An instruction pointer corresponding to the instruction that led to the application crash is identified. Address ranges of the garbage collection module and the compiler module are obtained. A determination is made as to whether the address of the instruction pointer lies within any of these address ranges for each stack frame in a crash stack. If it does not, then read or write instructions executed prior to the instruction that led to the application crash are identified for each stack frame in the crash stack. If a value of a register involved in such read or write instructions is within the address range of the compiled code buffers and/or heap, then the compiled code buffers and/or heap need to be included in the core file; otherwise, they do not.
摘要翻译：一种方法，系统和计算机程序产品，用于生成用于诊断应用程序崩溃的适当大小的核心文件。识别与导致应用程序崩溃的指令对应的指令指针。获取垃圾收集模块和编译器模块的地址范围。确定指令指针的地址是否在崩溃堆栈中的每个堆栈帧的这些地址范围的任何一个内。如果没有，则在崩溃堆栈中为每个堆栈帧识别导致应用程序崩溃的指令之前执行的指令。如果这种读取或写入指令中涉及的寄存器的值在编译代码缓冲区和/或堆的地址范围内，则编译代码缓冲区和/或堆需要包含在核心文件中; 否则，他们没有。

10. 发明申请

US20120144233A1 Obviation of Recovery of Data Store Consistency for Application I/O Errors 有权
标题翻译：数据存储一致性恢复应用程序I / O错误的消除
公开(公告)号：US20120144233A1
公开(公告)日：2012-06-07
申请号：US12958389
申请日：2010-12-01
申请人： Douglas J. Griffith , Angela A. Jaehde , Somasundaram Krishnasamy , Stephen A. Schlachter
发明人： Douglas J. Griffith , Angela A. Jaehde , Somasundaram Krishnasamy , Stephen A. Schlachter
IPC分类号： G06F11/16
CPC分类号： G06F11/1443 , G06F11/1482 , G06F11/2007 , G06F11/202 , G06F2201/815
摘要： Embodiments comprise a plurality of computing devices that dynamically intercept process application I/O errors. Various embodiments comprise two or more computing devices, such as two or more servers, each having access to a shared data storage system. An application may be executing on the first computing device and performing an I/O operation when an I/O error occurs. The first computing device may intercept the I/O error, rather than passing it back to the application, and prevent the error from affecting the application. The first computing device may complete the I/O operation, and any other pending I/O operations not written to disk, via an alternate path, perform a checkpoint operation to capture the state of the set of processes associated with the application, and transfer the checkpoint image to the second computing device. The second computing device may resume operation of the application from the checkpoint image.
摘要翻译：实施例包括动态地截取过程应用I / O错误的多个计算设备。各种实施例包括两个或更多个计算设备，诸如两个或更多个服务器，每个服务器都可以访问共享数据存储系统。应用可以在第一计算设备上执行并且当发生I / O错误时执行I / O操作。第一个计算设备可能会拦截I / O错误，而不是将其传回应用程序，并防止错误影响应用程序。第一个计算设备可以完成I / O操作，而通过备用路径未写入磁盘的任何其他挂起的I / O操作都会执行检查点操作，以捕获与应用程序相关的一组进程的状态，并传输检查点图像到第二计算设备。第二计算设备可以从检查点图像恢复应用的操作。

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