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1. 发明申请

US20070185920A1 Method and system combining state replication and operational-replay synchronization 有权
标题翻译：方法和系统结合状态复制和操作重放同步
公开(公告)号：US20070185920A1
公开(公告)日：2007-08-09
申请号：US11337393
申请日：2006-01-23
申请人： Paul Castro , Ravindranath Konuru , Avraham Leff , James Rayfield , Danny Yeh
发明人： Paul Castro , Ravindranath Konuru , Avraham Leff , James Rayfield , Danny Yeh
IPC分类号： G06F17/30
CPC分类号： G06F17/30578 , Y10S707/99952
摘要： A system, method and computer program product for synchronizing replicas of shared data structures associated with one or more computer systems. The method comprises: evaluating a metric for performing a replica synchronization operation on a first computer system according to a first synchronization method; evaluating the metric for performing a replica synchronization operation on the first computer system according to a second synchronization method; and, selecting, at synchronization time, based on the evaluated metric, whether to use the first or second synchronization methods, and communicating a command to a second computer system to replicate a shared data structure based on the selected synchronization method.
摘要翻译：一种用于同步与一个或多个计算机系统相关联的共享数据结构的副本的系统，方法和计算机程序产品。该方法包括：根据第一同步方法评估在第一计算机系统上执行复制同步操作的度量; 根据第二同步方法评估在所述第一计算机系统上执行副本同步操作的度量; 以及在同步时间，基于所评估的度量来选择是使用所述第一还是第二同步方法，以及基于所选择的同步方法将命令传送到第二计算机系统以复制共享数据结构。

2. 发明授权

US07543000B2 Method and system combining state replication and operational-replay synchronization 有权
标题翻译：方法和系统结合状态复制和操作重放同步
公开(公告)号：US07543000B2
公开(公告)日：2009-06-02
申请号：US11337393
申请日：2006-01-23
申请人： Paul C. Castro , Ravindranath Konuru , Avraham Leff , James T. Rayfield , Danny L. Yeh
发明人： Paul C. Castro , Ravindranath Konuru , Avraham Leff , James T. Rayfield , Danny L. Yeh
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30578 , Y10S707/99952
摘要： A system, method and computer program product for synchronizing replicas of shared data structures associated with one or more computer systems. The method comprises: evaluating a metric for performing a replica synchronization operation on a first computer system according to a first synchronization method; evaluating the metric for performing a replica synchronization operation on the first computer system according to a second synchronization method; and, selecting, at synchronization time, based on the evaluated metric, whether to use the first or second synchronization methods, and communicating a command to a second computer system to replicate a shared data structure based on the selected synchronization method.
摘要翻译：一种用于同步与一个或多个计算机系统相关联的共享数据结构的副本的系统，方法和计算机程序产品。该方法包括：根据第一同步方法评估在第一计算机系统上执行复制同步操作的度量; 根据第二同步方法评估在所述第一计算机系统上执行副本同步操作的度量; 以及在同步时间，基于所评估的度量来选择是使用所述第一还是第二同步方法，以及基于所选择的同步方法将命令传送到第二计算机系统以复制共享数据结构。

3. 发明申请

US20070174315A1 Compressing state in database replication 审中-公开
标题翻译：在数据库复制中压缩状态
公开(公告)号：US20070174315A1
公开(公告)日：2007-07-26
申请号：US11334599
申请日：2006-01-18
申请人： Avraham Leff , James Rayfield
发明人： Avraham Leff , James Rayfield
IPC分类号： G06F7/00
CPC分类号： G06F16/27
摘要： A method, system and computer program product for compressing state changes to a datum in a primary data storage system. One embodiment of the invention involves receiving a first state-change entry describing at least a first transformation of the datum and an first value of the datum and receiving a second state-change entry describing at least a second transformation of the datum an a second value of the datum. The first and second state-change entries are reduced to a compressed state-change entry including a compressed transformation and a compressed value that are functionally equivalent applying the first transformation and first value, then applying the second transformation and second value, to the datum. The techniques of the invention may be utilized, for example, in redo and undo database replication operations.
摘要翻译：一种用于将状态变化压缩到主数据存储系统中的数据的方法，系统和计算机程序产品。本发明的一个实施例涉及接收描述数据的至少第一变换和数据的第一值的第一状态变化条目，并且接收描述数据的至少第二变换的第二状态变化条目和第二值的基准。将第一和第二状态变化条目简化为压缩状态变化条目，该条目包括在应用第一变换和第一值的功能上等效的压缩变换和压缩值，然后将第二变换和第二值应用于数据。本发明的技术可以用于例如重做和撤销数据库复制操作。

4. 发明申请

US20060010130A1 Method and apparatus for synchronizing client transactions executed by an autonomous client 审中-公开
标题翻译：用于同步由自主客户端执行的客户端事务的方法和装置
公开(公告)号：US20060010130A1
公开(公告)日：2006-01-12
申请号：US10888811
申请日：2004-07-09
申请人： Avraham Leff , James Rayfield
发明人： Avraham Leff , James Rayfield
IPC分类号： G06F17/30
CPC分类号： G06F9/466
摘要： One embodiment of the present method and apparatus for synchronization of client transactions executed by an autonomous client enables a client operating on a limited connection to a server to log transactions executed against a locally stored server database state. Logged transactions are then synchronized with a current server database state by delivering the transaction log to the server, which re-executes each logged client transaction against the current server database state, thereby reducing synchronization-related transaction conflicts.
摘要翻译：用于由自主客户端执行的客户端事务的同步的本方法和装置的一个实施例使得能够在与服务器的有限连接上操作的客户端记录针对本地存储的服务器数据库状态执行的事务。然后通过将事务日志传递到服务器，记录的事务与当前服务器数据库状态同步，服务器根据当前服务器数据库状态重新执行每个记录的客户端事务，从而减少与事件相关的事务冲突。

5. 发明申请

US20050188075A1 System and method for supporting transaction and parallel services in a clustered system based on a service level agreement 审中-公开
标题翻译：基于服务级别协议，在集群系统中支持事务和并行服务的系统和方法
公开(公告)号：US20050188075A1
公开(公告)日：2005-08-25
申请号：US10762916
申请日：2004-01-22
申请人： Daniel Dias , Edwin Lassettre , Avraham Leff , Marcos Novaes , James Rayfield , Noshir Wadia , Peng Ye
发明人： Daniel Dias , Edwin Lassettre , Avraham Leff , Marcos Novaes , James Rayfield , Noshir Wadia , Peng Ye
IPC分类号： G06F15/16 , G06F15/173 , H04L29/06 , H04L29/08
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1029 , H04L67/1031 , H04L67/322
摘要： A server allocation controller provides an improved distributed data processing system for facilitating dynamic allocation of computing resources. The server allocation controller supports transaction and parallel services across multiple data centers enabling dynamic allocation of computing resources based on the current workload and service level agreements. The server allocation controller provides a method for dynamic re-partitioning of the workload to handle workload surges. Computing resources are dynamically assigned among transaction and parallel application classes, based on the current and predicted workload. Based on a service level agreement, the server allocation controller monitors and predicts the load on the system. If the current or predicted load cannot be handled with the current system configuration the server allocation controller determines additional resources needed to handle the current or predicted workload. The server cluster is reconfigured to meet the service level agreement.
摘要翻译：服务器分配控制器提供改进的分布式数据处理系统，用于促进计算资源的动态分配。服务器分配控制器支持跨多个数据中心的事务和并行服务，从而能够根据当前工作负载和服务级别协议动态分配计算资源。服务器分配控制器提供了一种用于动态重新分区工作负载以处理工作负载浪涌的方法。基于当前和预测的工作量，计算资源在事务和并行应用程序类之间动态分配。基于服务级别协议，服务器分配控制器监视和预测系统上的负载。如果当前或预测的负载不能用当前系统配置来处理，则服务器分配控制器确定处理当前或预测工作负载所需的其他资源。重新配置服务器集群以满足服务级别协议。

6. 发明申请

US20070174318A1 Methods and apparatus for constructing declarative componentized applications 审中-公开
标题翻译：用于构建声明性组件化应用程序的方法和设备
公开(公告)号：US20070174318A1
公开(公告)日：2007-07-26
申请号：US11341557
申请日：2006-01-26
申请人： Avraham Leff , James Rayfield
发明人： Avraham Leff , James Rayfield
IPC分类号： G06F7/00
CPC分类号： G06F8/38
摘要： Techniques for constructing a software application are provided. A data model of the application is represented as a relational model. Control logic of the application is defined as a mapping from a current state of the application data model and one or more application inputs to a new state of the application data model and one or more application outputs, described by relational algebra components.
摘要翻译：提供了构建软件应用程序的技术。应用程序的数据模型表示为关系模型。应用的控制逻辑被定义为从应用数据模型的当前状态和一个或多个应用输入到应用数据模型的新状态和由关系代数分量描述的一个或多个应用输出的映射。

7. 发明申请

US20050165925A1 System and method for supporting transaction and parallel services across multiple domains based on service level agreenments 失效
标题翻译：基于服务级别标准，跨多个域支持事务和并行服务的系统和方法
公开(公告)号：US20050165925A1
公开(公告)日：2005-07-28
申请号：US10763135
申请日：2004-01-22
申请人： Asit Dan , Daniel Dias , Richard King , Avraham Leff , James Rayfield , Noshir Wadia
发明人： Asit Dan , Daniel Dias , Richard King , Avraham Leff , James Rayfield , Noshir Wadia
IPC分类号： G06F9/50 , G06F15/173
CPC分类号： G06F9/5083 , H04L41/5009 , H04L67/1008 , H04L67/1025 , H04L67/325
摘要： An on-demand manager provides an improved distributed data processing system for facilitating dynamic allocation of computing resources among multiple domains based on a current workload and service level agreements. Based on a service level agreement, the on-demand manager monitors and predicts the load on the system. If the current or predicted load cannot be handled with the current system configuration, the on-demand manager determines additional resources needed to handle the workload. If the service level agreement violations cannot be handled by reconfiguring resources at a domain, the on-demand manager sends a resource request to other domains. These other domains analyze their own commitments and may accept the resource request, reject the request, or counter-propose with an offer of resources and a corresponding service level agreement. Once the requesting domain has acquired resources, workload load balancers are reconfigured to allocate some of the workload from the requesting site to the acquired remote resources.
摘要翻译：按需管理器提供改进的分布式数据处理系统，用于基于当前工作负载和服务级别协议，促进多个域之间的计算资源的动态分配。根据服务级别协议，按需管理器监视和预测系统上的负载。如果当前或预测的负载不能用当前系统配置来处理，则按需管理器确定处理工作负载所需的额外资源。如果通过在域上重新配置资源不能处理服务级别协议违规，则按需管理器向其他域发送资源请求。这些其他领域分析自己的承诺，并可以接受资源请求，拒绝请求或反提出资源提议和相应的服务级别协议。一旦请求域已经获得资源，工作负载平衡器被重新配置以将一些工作负载从请求站点分配给所获取的远程资源。

8. 发明授权

US08880549B2 Concurrent database access by production and prototype applications 有权
标题翻译：通过生产和原型应用程序并发数据库访问
公开(公告)号：US08880549B2
公开(公告)日：2014-11-04
申请号：US12615252
申请日：2009-11-09
申请人： Avraham Leff , James T. Rayfield
发明人： Avraham Leff , James T. Rayfield
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30
CPC分类号： G06F17/3056
摘要： A database manager, computer program product and methods for managing a database utilized by multiple applications. In one embodiment, the database manager performs a database record change to database records by a first application. The database manager branches the database records such that the database record change is visible to the first application and is not visible to one or more other applications accessing the database. The database manager can merge database record changes made by the other applications such that database schema changes made by the other applications are visible to the first application.
摘要翻译：数据库管理器，用于管理由多个应用程序使用的数据库的计算机程序产品和方法。在一个实施例中，数据库管理器通过第一应用执行对数据库记录的数据库记录更改。数据库管理器分支数据库记录，使得数据库记录更改对于第一个应用程序可见，对于访问数据库的一个或多个其他应用程序不可见。数据库管理器可以合并其他应用程序所做的数据库记录更改，使其他应用程序所做的数据库模式更改对第一个应用程序可见。

9. 发明授权

US08250112B2 Constructing declarative componentized applications 失效
标题翻译：构造声明化组件化应用程序
公开(公告)号：US08250112B2
公开(公告)日：2012-08-21
申请号：US12486252
申请日：2009-06-17
申请人： Avraham Leff , James Thomas Rayfield
发明人： Avraham Leff , James Thomas Rayfield
IPC分类号： G06F17/00
CPC分类号： G06F8/38
摘要： Techniques for constructing a software application are provided. A data model of the application is represented as a relational model. Control logic of the application is defined to specify each of a plurality of operations of the application as a mapping from a current state of the application data model and one or more current application inputs to a new state of the application data model and one or more application outputs, described by one or more relational algebra operations selected from the group consisting of a relation-complement operation, a disjunction operation and a conjunction operation.
摘要翻译：提供了构建软件应用程序的技术。应用程序的数据模型表示为关系模型。应用程序的控制逻辑被定义为将应用程序的多个操作中的每一个指定为从应用数据模型的当前状态和一个或多个当前应用输入到应用数据模型的新状态和一个或多个应用输出，由从关系互补操作，分离操作和连接操作组成的组中选择的一个或多个关系代数操作描述。

10. 发明申请

US20120191761A1 CONSTRUCTING DECLARATIVE COMPONENTIZED APPLICATIONS 有权
标题翻译：构建声明相关的应用程序
公开(公告)号：US20120191761A1
公开(公告)日：2012-07-26
申请号：US13431538
申请日：2012-03-27
申请人： Avraham Leff , James Thomas Rayfield
发明人： Avraham Leff , James Thomas Rayfield
IPC分类号： G06F7/00
CPC分类号： G06F8/38
摘要： Techniques for constructing a software application are provided. A data model of the application is represented as a relational model. Control logic of the application is defined to specify each of a plurality of operations of the application as a mapping from a current state of the application data model and one or more current application inputs to a new state of the application data model and one or more application outputs, described by one or more relational algebra operations selected from the group consisting of a relation-complement operation, a disjunction operation and a conjunction operation.
摘要翻译：提供了构建软件应用程序的技术。应用程序的数据模型表示为关系模型。应用程序的控制逻辑被定义为将应用程序的多个操作中的每一个指定为从应用数据模型的当前状态和一个或多个当前应用输入到应用数据模型的新状态和一个或多个应用输出，由从关系互补操作，分离操作和连接操作组成的组中选择的一个或多个关系代数操作描述。

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