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1. 发明授权

US08782242B2 Software application placement using computing resource containers 有权
标题翻译：使用计算资源容器的软件应用程序放置
公开(公告)号：US08782242B2
公开(公告)日：2014-07-15
申请号：US13273064
申请日：2011-10-13
申请人： Irfan Ahmad , Anne Marie Holler , Mustafa Uysal
发明人： Irfan Ahmad , Anne Marie Holler , Mustafa Uysal
IPC分类号： G06F15/173
CPC分类号： G06F9/45558 , G06F9/45533 , G06F9/5033 , G06F9/5077 , G06F2009/4557 , G06F2009/45595 , H04L41/5054
摘要： Embodiments associate software applications with computing resource containers based on placement rules. A placement rule indicates that a first software application is to be co-located with a second software application during execution of the first and second software applications, or that the first software application is to be separated from the second software application during execution of the first and second software applications. A target computing resource container is selected based on the placement rule and a computing resource container that is associated with the first software application. The second software application is associated with the target computing resource container, and the placement rule may be provided to the target computing resource container.
摘要翻译：实施例将软件应用与基于放置规则的计算资源容器相关联。放置规则指示在执行第一和第二软件应用期间第一软件应用程序将与第二软件应用程序共存，或者在执行第一软件应用程序期间第一软件应用程序将与第二软件应用程序分离和第二个软件应用程序。基于放置规则和与第一软件应用相关联的计算资源容器来选择目标计算资源容器。第二软件应用程序与目标计算资源容器相关联，并且放置规则可以被提供给目标计算资源容器。

2. 发明授权

US08880930B2 Software application placement based on failure correlation 有权
标题翻译：基于故障相关的软件应用程序布局
公开(公告)号：US08880930B2
公开(公告)日：2014-11-04
申请号：US13273053
申请日：2011-10-13
申请人： Irfan Ahmad , Anne Marie Holler , Mustafa Uysal
发明人： Irfan Ahmad , Anne Marie Holler , Mustafa Uysal
IPC分类号： G06F11/00 , G06F11/07 , G06F9/50 , G06F9/455 , G06F11/34
CPC分类号： G06F9/45558 , G06F9/5077 , G06F11/0712 , G06F11/0751 , G06F11/3409 , G06F2009/45587
摘要： Embodiments associate software applications with computing resources based on failure correlation information and an anti-affinity rule. An anti-affinity rule indicates that a first software application is to be separated from a second software application during execution. A management device determines failure correlations between a first computing resource that is associated with the first software application and a plurality of computing resources other than the first computing resource. The management device selects the computing resource that corresponds to the lowest failure correlation and associates the second software application with the selected computing resource based on the anti-affinity rule.
摘要翻译：实施例将软件应用与基于故障相关信息和反相关性规则的计算资源相关联。反相关性规则指示在执行期间第一软件应用程序将与第二软件应用程序分离。管理设备确定与第一软件应用相关联的第一计算资源与除第一计算资源之外的多个计算资源之间的故障相关性。管理装置选择对应于最低故障相关性的计算资源，并且基于反相关性规则将第二软件应用与所选择的计算资源相关联。

3. 发明授权

US08843933B1 System and method for managing a virtualized computing environment 有权
标题翻译：用于管理虚拟化计算环境的系统和方法
公开(公告)号：US08843933B1
公开(公告)日：2014-09-23
申请号：US13115836
申请日：2011-05-25
申请人： Anne Marie Holler , Ganesha Shanmuganathan , Chirag Bhatt , Irfan Ahmad
发明人： Anne Marie Holler , Ganesha Shanmuganathan , Chirag Bhatt , Irfan Ahmad
IPC分类号： G06F9/46
CPC分类号： G06F9/5088 , G06F9/45533 , G06F9/45558 , G06F9/5027 , G06F2009/4557 , G06F2209/5019
摘要： A technique for predictive distributed resource scheduling and distributed power management includes analyzing patterns in the workload, predicting future workloads, and making recommendations for changes to the virtual computing environment. In addition, a cost-benefit analysis can be performed to determine whether the recommended change would likely result in improved performance.
摘要翻译：一种用于预测分布式资源调度和分布式电源管理的技术包括分析工作负载中的模式，预测未来的工作负载，并为虚拟计算环境的变化提出建议。此外，可以执行成本效益分析，以确定推荐的更改是否可能导致改进的性能。

4. 发明授权

US09032181B2 Shortcut input/output in virtual machine systems 有权
标题翻译：虚拟机系统中的快捷输入/输出
公开(公告)号：US09032181B2
公开(公告)日：2015-05-12
申请号：US12783205
申请日：2010-05-19
申请人： Irfan Ahmad , Carl A. Waldspurger
发明人： Irfan Ahmad , Carl A. Waldspurger
IPC分类号： G06F12/10
CPC分类号： G06F12/1018 , G06F12/1036 , G06F12/109 , G06F2212/152 , G06F2212/656
摘要： Read requests to a commonly accessed storage volume are conditionally issued, depending on whether or not a requested data block is already stored in memory from a prior access or to be stored in memory upon completion of a pending request. A data structure is maintained in memory to track physical memory pages and to indicate for each physical memory page the corresponding location in the storage volume from which the contents of the physical memory were read and the number of virtual memory pages that are mapped thereto.
摘要翻译：根据所请求的数据块是否已经从先前的访问中存储在存储器中，或者在完成未决请求时被存储在存储器中，有条件地发出对常用访问存储卷的读取请求。在存储器中维护数据结构以跟踪物理存储器页面，并且为每个物理存储器页面指示从其读取物理存储器的内容的存储卷中的对应位置和映射到其的虚拟存储器页面的数量。

5. 发明授权

US08990531B2 Multiple time granularity support for online classification of memory pages based on activity level 有权
标题翻译：基于活动级别对内存页面进行在线分类的多时间粒度支持
公开(公告)号：US08990531B2
公开(公告)日：2015-03-24
申请号：US13179032
申请日：2011-07-08
申请人： Irfan Ahmad
发明人： Irfan Ahmad
IPC分类号： G06F12/00 , G06F9/455 , G06F12/10
CPC分类号： G06F9/45558 , G06F12/1009 , G06F2009/45583
摘要： Activity level of memory pages is classified in virtual machine environment, so that processes such as live VM migration and checkpointing, among others, can be carried out more efficiently. Because each such hypervisor-based service may desire classification of activity levels of memory pages at different frequencies and different time granularities, the hypervisor supports methods to classify activity levels of memory pages for a plurality of time intervals.
摘要翻译：内存页面的活动级别分为虚拟机环境，可以更有效地执行诸如虚拟机迁移和检查点之类的进程。因为每个这样的基于管理程序的服务可能希望对不同频率和不同时间粒度的存储器页面的活动级别进行分类，所以管理程序支持对多个时间间隔的存储器页面的活动级别进行分类的方法。

6. 发明授权

US08560577B1 Method for coordinating stats collection and analysis among multiple hosts 有权
标题翻译：用于协调多个主机之间的统计信息收集和分析的方法
公开(公告)号：US08560577B1
公开(公告)日：2013-10-15
申请号：US12834188
申请日：2010-07-12
申请人： Irfan Ahmad , Ajay Gulati
发明人： Irfan Ahmad , Ajay Gulati
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/302
摘要： Two shared data structures are maintained in a storage unit for coordinating statistic collection among multiple hosts that share the storage unit. The first data structure stores information about the number of hosts that possess slots within the second data structure and identifying information about the slots. The second data structure maintains statistics of each of the multiple hosts. By using this first data structure, hosts can be added to and deleted from the second data structure in an organized manner.
摘要翻译：两个共享数据结构保存在存储单元中，用于协调共享存储单元的多个主机之间的统计收集。第一数据结构存储关于在第二数据结构内具有时隙的主机数量的信息，并且识别关于时隙的信息。第二个数据结构维护每个多个主机的统计信息。通过使用该第一数据结构，可以以有组织的方式将主机添加到第二数据结构中并从其删除。

7. 发明授权

US09032398B2 Online classification of memory pages based on activity level represented by one or more bits 有权
标题翻译：基于由一个或多个位表示的活动级别的内存页面的在线分类
公开(公告)号：US09032398B2
公开(公告)日：2015-05-12
申请号：US12834662
申请日：2010-07-12
申请人： Irfan Ahmad , Carl A. Waldspurger , Alexander Thomas Garthwaite , Kiran Tati , Pin Lu
发明人： Irfan Ahmad , Carl A. Waldspurger , Alexander Thomas Garthwaite , Kiran Tati , Pin Lu
IPC分类号： G06F21/00 , G06F12/00 , G06F12/08 , G06F12/10
CPC分类号： G06F12/08 , G06F12/10
摘要： Activity level of memory pages is classified in virtual machine environment, so that processes such as live VM migration and checkpointing, among others, can be carried out more efficiently. The method includes the steps of scanning page table entries of hypervisor-managed page tables continuously over repeating scan periods to determine whether memory pages have been accessed or not, and for each memory page, determining an activity level of the memory page based on whether the memory page has been accessed or not since a prior scan and storing the activity level of the memory page. The activity level of the memory page may be represented by one or more bits of its page table entry and may be classified as having at least two states ranging from hot to cold.
摘要翻译：内存页面的活动级别分为虚拟机环境，可以更有效地执行诸如虚拟机迁移和检查点之类的进程。该方法包括以下步骤：在重复的扫描周期上连续地扫描虚拟机管理程序管理的页表的页表条目，以确定是否已存取存储器页;以及对于每个存储器页，基于是否存储页，确定存储器页的活动级别存储器页面已被访问或不被访问，因为先前扫描并存储存储器页面的活动级别。存储器页面的活动级别可以由其页表项的一个或多个位表示，并且可以被分类为具有从热到冷的至少两个状态。

8. 发明授权

US08478924B2 Interrupt coalescing for outstanding input/output completions 有权
标题翻译：中断合并为突出的输入/输出完成
公开(公告)号：US08478924B2
公开(公告)日：2013-07-02
申请号：US12766369
申请日：2010-04-23
申请人： Irfan Ahmad , Maxime Austruy , Mallik Mahalingam
发明人： Irfan Ahmad , Maxime Austruy , Mallik Mahalingam
IPC分类号： G06F13/24
CPC分类号： G06F13/24 , G06F3/0659 , G06F9/45558 , G06F9/4812 , G06F2009/45579 , G06F2213/2406 , G06F2213/2408 , H04L47/10
摘要： In a computer system, a method of controlling coalescence of interrupts includes dynamically basing a current level of interrupt coalescing upon a determination of outstanding input/output (I/O) commands for which corresponding I/O completions have not been received. Deliveries of interrupts are executed on the basis of the current level and in an absence of enabling timing-triggered delivery of an interrupt.
摘要翻译：在计算机系统中，一种控制中断聚合的方法包括在确定尚未接收到相应的I / O完成的未完成的输入/输出（I / O）命令时动态地基于中断合并的当前级别。中断的传递是在当前级别的基础上执行的，并且没有启用定时触发的中断传递。

9. 发明授权

US08250197B2 Quality of service management 有权
标题翻译：服务质量管理
公开(公告)号：US08250197B2
公开(公告)日：2012-08-21
申请号：US12260041
申请日：2008-10-28
申请人： Ajay Gulati , Irfan Ahmad
发明人： Ajay Gulati , Irfan Ahmad
IPC分类号： G06F15/173 , G06F13/28 , G06F9/46
CPC分类号： H04L47/56 , G06F3/0659 , G06F13/161 , G06F2213/0064 , H04L1/0018 , H04L29/08099 , H04L49/90 , H04L49/901 , H04L65/601 , H04L65/80 , H04L67/1097 , H04L67/2809
摘要： A method for providing quality of service to a plurality of hosts accessing a common resource is described. The common resource may be a middle-tier or back-end server. A client IO request is received at one host of the plurality of hosts from one of a plurality clients executing as software entities on respective hosts. The host determines whether an issue queue is full. The IO request is issued to the common resource when the issue queue is not full. A current average latency observed at the host and an adjusted window size is calculated, based at least in part on the current average latency. The issue queue is resized to correspond with the adjusted window size.
摘要翻译：描述了向访问公共资源的多个主机提供服务质量的方法。公共资源可能是中间层或后端服务器。在多个客户端中的一个主机上从在相应主机上作为软件实体执行的多个客户端之一接收客户端IO请求。主机确定问题队列是否已满。当问题队列未满时，IO请求将发布到公共资源。至少部分地基于当前的平均延迟来计算在主机处观察到的当前平均延迟和调整的窗口大小。调整问题队列大小以调整窗口大小。

10. 发明授权

US09063866B1 Page table data structure for online classification of memory pages based on activity level 有权
标题翻译：基于活动级别的内存页面在线分类的页表数据结构
公开(公告)号：US09063866B1
公开(公告)日：2015-06-23
申请号：US12834677
申请日：2010-07-12
申请人： Kiran Tati , Irfan Ahmad
发明人： Kiran Tati , Irfan Ahmad
IPC分类号： G06F12/00 , G06F9/455 , G06F12/10 , G06F12/08
CPC分类号： G06F12/10 , G06F12/08 , G06F12/1009 , G06F12/124 , G06F2212/151 , Y02D10/13
摘要： Activity level of memory pages is classified in virtual machine environment, so that processes such as live VM migration and checkpointing, among others, can be carried out more efficiently. The method includes the steps of scanning page table entries of hypervisor-managed page tables continuously over repeating scan periods to determine whether memory pages have been accessed or not, and for each memory page, determining an activity level of the memory page based on whether the memory page has been accessed or not since a prior scan and storing the activity level of the memory page. The activity level of the memory page may be represented by one or more bits of its page table entry and may be classified as having at least two states ranging from hot to cold.
摘要翻译：内存页面的活动级别分为虚拟机环境，可以更有效地执行诸如虚拟机迁移和检查点之类的进程。该方法包括以下步骤：在重复的扫描周期上连续地扫描虚拟机管理程序管理的页表的页表条目，以确定是否已存取存储器页;以及对于每个存储器页，基于是否存储页，确定存储器页的活动级别存储器页面已被访问或不被访问，因为先前扫描并存储存储器页面的活动级别。存储器页面的活动级别可以由其页表项的一个或多个位表示，并且可以被分类为具有从热到冷的至少两个状态。

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