公开(公告)号：US09686352B2

公开(公告)日：2017-06-20

申请号：US15280579

申请日：2016-09-29

Applicant: VMware, Inc.

Inventor： Ajay Gulati ,  Ganesha Shanmuganathan ,  Irfan Ahmad

IPC: G06F15/16 ,  H04L29/08 ,  H04L12/26

CPC classification number: H04L67/1008 ,  H04L43/0852 ,  H04L43/16 ,  H04L43/50 ,  H04L67/1002 ,  H04L67/1097

Abstract: Maximum throughput of a storage unit, and workload and latency values of the storage unit corresponding to a predefined fraction of the maximum throughput are estimated based on workloads and latencies that are monitored on the storage unit. The computed metrics are usable in a variety of different applications including admission control, storage load balancing, and enforcing quality of service in a shared storage environment.

公开(公告)号：US09361218B2

公开(公告)日：2016-06-07

申请号：US14790604

申请日：2015-07-02

Applicant: VMware, Inc.

Inventor： Irfan Ahmad ,  Gabriel Tarasuk-Levin ,  Ali Mashtizadeh ,  Philip Peter Moltmann

IPC: G06F12/02 ,  G06F9/50

CPC classification number: G06F12/023 ,  G06F9/5016 ,  G06F12/0284 ,  G06F2212/1044 ,  G06F2212/152

Abstract: Memory pages that are allocated to a memory consumer and continue to be accessed by the memory consumer are included in a free list, so that they may be immediately allocated to another memory consumer as needed during the course of normal operation without preserving the original contents of the memory page. When a memory page in the free list is accessed to perform a read, a generation number associated with the memory page is compared with a stored copy. If the two match, the read is performed on the memory page. If the two do not match, the read is not performed on the memory page.

公开(公告)号：US08850004B2

公开(公告)日：2014-09-30

申请号：US13859650

申请日：2013-04-09

Applicant: VMware, Inc.

Inventor： Ajay Gulati ,  Irfan Ahmad ,  Jyothir Ramanan ,  Carl A. Waldspurger

IPC: G06F15/173 ,  G06F11/00 ,  G06F3/06 ,  H04L12/26 ,  H04L29/14 ,  H04L12/70 ,  H04L29/08

CPC classification number: H04L43/0876 ,  G06F3/06 ,  G06F11/00 ,  G06F11/0727 ,  G06F11/0757 ,  G06F11/3419 ,  G06F11/3485 ,  G06F2201/81 ,  G06F2201/815 ,  H04L43/0852 ,  H04L47/00 ,  H04L47/12 ,  H04L47/56 ,  H04L47/6275 ,  H04L67/1097 ,  H04L69/40

Abstract: An anomaly in a shared input/output (IO) resource that is accessed by a plurality hosts or clients is detected when a host that is not bound by any QoS policy presents large workloads to a shared IO resource that is also accessed by hosts or clients that are governed by QoS policy. The anomaly detection triggers a response from the hosts or clients as a way to protect against the effect of the anomaly. The response is an increase in window sizes. The window sizes of the hosts or clients may be increased to the maximum window size or in proportion to their QoS shares.

Abstract translation: 当不受任何QoS策略约束的主机向主机或客户端访问的共享IO资源提供大量工作负载时，检测到由多个主机或客户机访问的共享输入/输出（IO）资源中的异常情况 由QoS策略管理。 异常检测触发主机或客户端的响应，作为防止异常的影响的一种方式。 响应是窗口大小的增加。 主机或客户端的窗口大小可以增加到最大窗口大小或者与它们的QoS份额成比例。

公开(公告)号：US20130297832A1

公开(公告)日：2013-11-07

申请号：US13933921

申请日：2013-07-02

Applicant: VMware, Inc.

Inventor： Irfan Ahmad ,  Maxime Austruy ,  Mallik Mahalingam

IPC: G06F13/24 ,  G06F3/06

CPC classification number: G06F13/24 ,  G06F3/0659 ,  G06F9/45558 ,  G06F9/4812 ,  G06F2009/45579 ,  G06F2213/2406 ,  G06F2213/2408 ,  H04L47/10

Abstract: In a computer system, a method of controls interrupts which correspond to input/output (I/O) processing. For each delivery of an I/O completion interrupt, the method provides a recordation of a delivery time; identifies I/O completions for which deliveries of corresponding I/O completion interrupts involve deliveries of inter-processor interrupts; and for each of the identified I/O completions, accesses the recordation of the most recent delivery time to determine whether a selected period of time has elapsed since a last delivery of an inter-processor interrupt. As a response to a determination that the selected period has elapsed, an inter-processor interrupt is delivers. As a response to a determination that less than the duration of the selected period has elapsed, the method refrains from delivering an inter-processor interrupt.

Abstract translation: 在计算机系统中，控制对应于输入/输出（I / O）处理的中断的方法。 对于每次交付I / O完成中断，该方法提供了交货时间的记录; 识别相应I / O完成中断的交付涉及交付处理器间中断的I / O完成; 并且对于每个所识别的I / O完成，访问最近传送时间的记录，以确定自上一次交付处理器中断之后所选择的时间段是否已经过去。 作为对所选择的时间段已经过去的确定的响应，提供了处理器间中断。 作为对小于所选择的时间段的持续时间的确定的响应，该方法不会传递处理器间中断。

公开(公告)号：US09336165B2

公开(公告)日：2016-05-10

申请号：US13933921

申请日：2013-07-02

Applicant: VMware, Inc.

Inventor： Irfan Ahmad ,  Maxime Austruy ,  Mallik Mahalingam

IPC: G06F13/24 ,  G06F3/06 ,  H04L12/801

CPC classification number: G06F13/24 ,  G06F3/0659 ,  G06F9/45558 ,  G06F9/4812 ,  G06F2009/45579 ,  G06F2213/2406 ,  G06F2213/2408 ,  H04L47/10

Abstract: In a computer system, a method of controls interrupts which correspond to input/output (I/O) processing. For each delivery of an I/O completion interrupt, the method provides a recordation of a delivery time; identifies I/O completions for which deliveries of corresponding I/O completion interrupts involve deliveries of inter-processor interrupts; and for each of the identified I/O completions, accesses the recordation of the most recent delivery time to determine whether a selected period of time has elapsed since a last delivery of an inter-processor interrupt. As a response to a determination that the selected period has elapsed, an inter-processor interrupt is delivers. As a response to a determination that less than the duration of the selected period has elapsed, the method refrains from delivering an inter-processor interrupt.

Abstract translation: 在计算机系统中，控制对应于输入/输出（I / O）处理的中断的方法。 对于每次交付I / O完成中断，该方法提供了交货时间的记录; 识别相应I / O完成中断的交付涉及交付处理器间中断的I / O完成; 并且对于每个所识别的I / O完成，访问最近传送时间的记录，以确定自上一次交付处理器中断之后所选择的时间段是否已经过去。 作为对所选择的时间段已经过去的确定的响应，提供了处理器间中断。 作为对小于所选择的时间段的持续时间的确定的响应，该方法不会传递处理器间中断。

公开(公告)号：US09152445B2

公开(公告)日：2015-10-06

申请号：US14332291

申请日：2014-07-15

Applicant: VMware, Inc.

Inventor： Irfan Ahmad ,  Anne Marie Holler ,  Mustafa Uysal

IPC: G06F15/177 ,  G06F9/455 ,  H04L12/24 ,  G06F9/50

CPC classification number: G06F9/45558 ,  G06F9/45533 ,  G06F9/5033 ,  G06F9/5077 ,  G06F2009/4557 ,  G06F2009/45595 ,  H04L41/5054

Abstract: 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 and second placement rule indicates that the first software application is to be separated from the second software application when the second placement rule is violated by enforcing the first placement rule. The placement rule also indicates that the first software application is to be separated from the second software application during execution of the first and second software applications and the second placement rule indicates the first software application is to be co-located with the second software application when the second placement rule is violated by enforcing the first placement rule.

Abstract translation: 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位于同一位置，而第二软件应用程序指示当第一软件应用程序与第二软件应用程序分离时，第二软件应用程序将与第二软件应用程序分离， 执行第一个放置规则会违反第二个放置规则。 放置规则还指示在执行第一和第二软件应用期间第一软件应用程序与第二软件应用程序分离，并且第二布局规则指示第一软件应用程序将与第二软件应用程序位于同一位置时 执行第一个放置规则会违反第二个放置规则。

公开(公告)号：US20150046586A1

公开(公告)日：2015-02-12

申请号：US14522997

申请日：2014-10-24

Applicant: VMware, Inc.

Inventor： Xianan Zhang ,  Eddie Ma ,  Umit Rencuzogullari ,  Irfan Ahmad ,  Orran Krieger ,  Mukil Kesavan

IPC: H04L12/803 ,  H04L12/26

CPC classification number: H04L47/125 ,  G06F9/455 ,  G06F15/173 ,  H04L43/0876

Abstract: A resource management system for a virtual machine computing environment includes a software component that optimizes capacity between server clusters or groups by monitoring the capacity of server clusters or groups and automatically adding and removing host systems to and from server clusters or groups. The software component may be implemented at a server cluster management level to monitor and execute host system moves between server clusters and/or at a higher level in the resource management hierarchy. At the higher level, the software component is configured to monitor and execute host system moves between sets of server clusters being managed by different server cluster management agents.

Abstract translation: 用于虚拟机计算环境的资源管理系统包括通过监视服务器集群或组的容量并自动地向服务器集群或组中添加和移除主机系统来优化服务器集群或组之间的容量的软件组件。 软件组件可以在服务器集群管理级别上实现，以在服务器集群之间和/或在资源管理层级中的较高级别上监视和执行主机系统移动。 在较高级别，软件组件被配置为监视和执行由不同的服务器集群管理代理管理的服务器集群之间的主机系统移动。

公开(公告)号：US20140215044A1

公开(公告)日：2014-07-31

申请号：US14227537

申请日：2014-03-27

Applicant: VMware, Inc.

Inventor： Ajay Gulati ,  Irfan Ahmad

IPC: H04L12/875

CPC classification number: H04L47/56 ,  G06F3/0659 ,  G06F13/161 ,  G06F2213/0064 ,  H04L1/0018 ,  H04L29/08099 ,  H04L49/90 ,  H04L49/901 ,  H04L65/601 ,  H04L65/80 ,  H04L67/1097 ,  H04L67/2809

Abstract: In one embodiment, a latency value is determined for an input/output IO request in a host computer of a plurality of host computers based on an amount of time the IO request spent in the host computer's issue queue. The issue queue of the host computer is used to transmit IO requests to a storage system shared by the plurality of host computers. The method determines a host specific value assigned to the host computer based in proportion on a number of shares assigned to the host in a quality of service policy for IO requests. The size for the host computer's issue queue is determined based on the latency value and the host specific value to control a number of IO requests that are added to the host computer's issue queue where other hosts in the plurality of hosts independently determine respective sizes for respective issue queues.

Abstract translation: 在一个实施例中，基于在主机计算机的问题队列中花费的IO请求的时间量，为多个主计算机的主计算机中的输入/输出IO请求确定等待时间值。 主计算机的问题队列用于将IO请求传送到由多台主机共享的存储系统。 该方法根据在IO请求的服务质量策略中分配给主机的份数成比例地确定分配给主计算机的主机特定值。 基于延迟值和主机特定值来确定主计算机的问题队列的大小，以控制添加到主机计算机的问题队列中的多个IO请求，其中多个主机中的其他主机独立地确定相应的大小 发出队列

公开(公告)号：US09465635B2

公开(公告)日：2016-10-11

申请号：US14493182

申请日：2014-09-22

Applicant: VMware, Inc.

Inventor： Anne Marie Holler ,  Ganesha Shanmuganathan ,  Chirag Bhatt ,  Irfan Ahmad

IPC: G06F9/46 ,  G06F9/455 ,  G06F9/50

CPC classification number: G06F9/5088 ,  G06F9/45533 ,  G06F9/45558 ,  G06F9/5027 ,  G06F2009/4557 ,  G06F2209/5019

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20160253201A1

公开(公告)日：2016-09-01

申请号：US15148890

申请日：2016-05-06

Applicant: VMware, Inc.

Inventor： Irene Zhang ,  Kenneth Charles Barr ,  Ganesh Venkitachalam ,  Irfan Ahmad ,  Alex Garthwaite ,  Jesse Pool

IPC: G06F9/455

CPC classification number: G06F9/45558 ,  G06F9/461 ,  G06F9/485 ,  G06F9/5016 ,  G06F11/1438 ,  G06F12/08 ,  G06F2009/45575 ,  G06F2009/45583

Abstract: Methods and apparatus for saving and/or restoring state information for virtualized computing systems are described. An example apparatus includes a physical memory and a virtual machine monitor to: in response to a request to suspend operation of a virtual machine, place a trace on a memory page in the physical memory to detect at least one of a read access or a write access that occurs when state information of the virtual machine is saved in response to the request, the memory page associated with virtual memory hosted by the virtual machine, while the virtual machine continues to operate after the request, initiate storing of the virtual memory of the virtual machine, and in response to a trigger of the trace, store an indication that the memory page is an active memory page.

Abstract translation: 描述用于保存和/或恢复虚拟化计算系统的状态信息的方法和装置。 一种示例性装置包括：物理存储器和虚拟机监视器，用于：响应于暂停虚拟机的操作的请求，在物理存储器中的存储器页面上放置跟踪以检测读取访问或写入中的至少一个 响应于请求保存虚拟机的状态信息时发生的访问，与虚拟机托管的虚拟存储器相关联的存储器页面，同时虚拟机在请求之后继续操作，开始存储虚拟机的虚拟存储器 虚拟机，并且响应于跟踪的触发，存储指示存储器页面是活动存储器页面。