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1. 发明申请

US20050262183A1 Connection pool use of runtime load balancing service performance advisories 有权
标题翻译：连接池使用运行时负载平衡服务性能咨询
公开(公告)号：US20050262183A1
公开(公告)日：2005-11-24
申请号：US11168968
申请日：2005-06-27
申请人： Carol Colrain , Rajkumar Irudayaraj , Douglas Surber
发明人： Carol Colrain , Rajkumar Irudayaraj , Douglas Surber
IPC分类号： G06F7/00 , G06F9/50 , G06F17/30
CPC分类号： G06F9/5083 , G06F9/505 , G06F2209/508
摘要： Runtime connection load balancing of work across connections to a clustered computing system involves the routing of requests for a service, based on the current operational performance of each of the instances that offer the service. A connection is selected from an identified connection pool, to connect to an instance that provides the service for routing a work request. The operational performance of the instances may be represented by performance information that characterizes the response time and/or the throughput of the service that is provided by a particular instance on a respective node of the system, and is relative to other instances that offer the same service.
摘要翻译：基于提供服务的每个实例的当前操作性能，对群集计算系统的连接进行工作的运行时连接负载平衡包括对服务的请求的路由。从标识的连接池中选择连接，以连接到提供服务以路由工作请求的实例。实例的操作性能可以由表征由系统的相应节点上的特定实例提供的服务的响应时间和/或吞吐量的性能信息来表示，并且相对于提供相同的其他实例服务。

2. 发明授权

US08391295B2 Temporal affinity-based routing of workloads 有权
标题翻译：基于时间亲和力的工作负载路由
公开(公告)号：US08391295B2
公开(公告)日：2013-03-05
申请号：US11868317
申请日：2007-10-05
申请人： Carol Colrain , Michael Zoll , Rajkumar Irudayaraj
发明人： Carol Colrain , Michael Zoll , Rajkumar Irudayaraj
IPC分类号： H04L12/56
CPC分类号： H04L67/322 , H04L45/121 , H04L45/306 , H04L67/1002 , H04L67/1008 , H04L67/327
摘要： Techniques for routing client requests among a group of nodes offering a service are described. A coordinator determines that performance could be improved by using affinity-based routing. In one embodiment, the coordinator calculates a Time-to-Live (TTL) metric whereby clients benefit by returning to the same cache and posts this hint to subscribers. Client's start preserving locality data in an affinity context, such that later requests for a connection can be routed to the location last visited. The coordinator measures the system over subsequent intervals. If the gradient of the goodness (viz service quality and capacity) is stable or improving, then the coordinator continues to advise subscribers to use the affinity-based technique. Alternatively, if the gradient of the goodness is deteriorating, then the coordinator posts advice to the subscribers to stop using the affinity-based technique for any instance during the next intervals.
摘要翻译：描述了在提供服务的一组节点之间路由客户端请求的技术。协调者决定通过使用基于亲和性的路由可以提高性能。在一个实施例中，协调器计算生存时间（TTL）度量，由此客户端通过返回到相同的高速缓存并且向用户发布该提示而受益。客户端启动在亲和性上下文中保留位置数据，以便稍后的连接请求可以路由到上次访问的位置。协调员在随后的时间间隔内测量系统。如果善意的梯度（服务质量和容量）稳定或改善，协调员将继续建议用户使用基于亲和力的技术。或者，如果善意的渐变正在恶化，则协调器向订阅者发布建议以在下一间隔期间停止对任何实例使用基于亲和力的技术。

3. 发明申请

US20090034537A1 TEMPORAL AFFINITY-BASED ROUTING OF WORKLOADS 有权
标题翻译：基于临时性的工作流程路由
公开(公告)号：US20090034537A1
公开(公告)日：2009-02-05
申请号：US11868317
申请日：2007-10-05
申请人： Carol Colrain , Michael Zoll , Rajkumar Irudayaraj
发明人： Carol Colrain , Michael Zoll , Rajkumar Irudayaraj
IPC分类号： H04L12/56
CPC分类号： H04L67/322 , H04L45/121 , H04L45/306 , H04L67/1002 , H04L67/1008 , H04L67/327
摘要： Techniques for routing client requests among a group of nodes offering a service are described. A coordinator determines that performance could be improved by using affinity-based routing. In one embodiment, the coordinator calculates a Time-to-Live (TTL) metric whereby clients benefit by returning to the same cache and posts this hint to subscribers. Client's start preserving locality data in an affinity context, such that later requests for a connection can be routed to the location last visited. The coordinator measures the system over subsequent intervals. If the gradient of the goodness (viz service quality and capacity) is stable or improving, then the coordinator continues to advise subscribers to use the affinity-based technique. Alternatively, if the gradient of the goodness is deteriorating, then the coordinator posts advice to the subscribers to stop using the affinity-based technique for any instance during the next intervals.
摘要翻译：描述了在提供服务的一组节点之间路由客户端请求的技术。协调者决定通过使用基于亲和性的路由可以提高性能。在一个实施例中，协调器计算生存时间（TTL）度量，由此客户端通过返回到相同的高速缓存并且向用户发布该提示而受益。客户端启动在亲和性上下文中保留位置数据，以便稍后的连接请求可以路由到上次访问的位置。协调员在随后的时间间隔内测量系统。如果善意的梯度（服务质量和容量）稳定或改善，协调员将继续建议用户使用基于亲和力的技术。或者，如果善意的渐变正在恶化，则协调器向订阅者发布建议以在下一间隔期间停止对任何实例使用基于亲和力的技术。

4. 发明申请

US20050038801A1 Fast reorganization of connections in response to an event in a clustered computing system 有权
标题翻译：响应于集群计算系统中的事件快速重组连接
公开(公告)号：US20050038801A1
公开(公告)日：2005-02-17
申请号：US10917663
申请日：2004-08-12
申请人： Carol Colrain , Rajkumar Irudayaraj
发明人： Carol Colrain , Rajkumar Irudayaraj
IPC分类号： G06F7/00
CPC分类号： G06F11/1443 , G06F17/30289
摘要： Techniques for fast recovery and/or balancing of connections to a clustered computing system provide management of such connections by determining a number of connections to load balance across nodes and by triggering creation of such connections. In one aspect, a notification of an event regarding the clustered computing system is received by a connection pool manager, a pool of connections to the system is identified based on the notification, and one or more connections from the pool are processed in response to the event. According to an embodiment, the notification comprises the identities of the service, database, server instance and machine that correspond to the event.
摘要翻译：用于快速恢复和/或平衡与集群计算系统的连接的技术通过确定跨节点之间的负载平衡的连接的数量以及通过触发这种连接的创建来提供这种连接的管理。在一个方面，连接池管理器接收到关于群集计算系统的事件的通知，基于该通知来识别到系统的连接池，并且响应于来自池的一个或多个连接进行处理事件。根据实施例，通知包括与事件相对应的服务，数据库，服务器实例和机器的身份。

5. 发明授权

US07953860B2 Fast reorganization of connections in response to an event in a clustered computing system 有权
标题翻译：响应于集群计算系统中的事件快速重组连接
公开(公告)号：US07953860B2
公开(公告)日：2011-05-31
申请号：US10917663
申请日：2004-08-12
申请人： Carol Colrain , Rajkumar Irudayaraj
发明人： Carol Colrain , Rajkumar Irudayaraj
IPC分类号： G06F15/16
CPC分类号： G06F11/1443 , G06F17/30289
摘要： Techniques for fast recovery and/or balancing of connections to a clustered computing system provide management of such connections by determining a number of connections to load balance across nodes and by triggering creation of such connections. In one aspect, a notification of an event regarding the clustered computing system is received by a connection pool manager, a pool of connections to the system is identified based on the notification, and one or more connections from the pool are processed in response to the event. According to an embodiment, the notification comprises the identities of the service, database, server instance and machine that correspond to the event.
摘要翻译：用于快速恢复和/或平衡与集群计算系统的连接的技术通过确定跨节点之间的负载平衡的连接的数量以及通过触发这种连接的创建来提供对这种连接的管理。在一个方面，连接池管理器接收到关于群集计算系统的事件的通知，基于该通知来识别到系统的连接池，并且响应于来自池的一个或多个连接进行处理事件。根据实施例，通知包括与事件相对应的服务，数据库，服务器实例和机器的身份。

6. 发明授权

US09092460B2 System and method for using a gridlink data source to connect an application server with a clustered database 有权
标题翻译：使用网格链接数据源将应用程序服务器与群集数据库连接的系统和方法
公开(公告)号：US09092460B2
公开(公告)日：2015-07-28
申请号：US13168506
申请日：2011-06-24
申请人： Alex Somogyi , Naresh Revanuru , Rajkumar Irudayaraj , Stephen Felts , Tong Zhou , Frances Zhao-Perez
发明人： Alex Somogyi , Naresh Revanuru , Rajkumar Irudayaraj , Stephen Felts , Tong Zhou , Frances Zhao-Perez
IPC分类号： G06F15/173 , G06F17/30 , H04L12/24 , H04L29/08
CPC分类号： G06F17/30286 , G06F9/45504 , G06F15/17318 , G06F17/30368 , G06F17/30584 , H04L29/06088 , H04L41/042 , H04L41/0686 , H04L49/358 , H04L67/02 , H04L67/10 , H04L67/1002 , H04L67/1004 , H04L67/1027 , H04L67/1034 , H04L67/1095 , H04L67/14 , H04L67/142 , H04L67/146
摘要： A system and method can support using a data source to connect an application server with a clustered database. The clustered database includes a plurality of database instances and is associated with a notification service. The notification service can be used by the clustered database to broadcast notifications that describe a state change in the plurality of database instances. The data source includes a connection pool, which manages a set of connections to the plurality of database instances in the clustered database. The data source operates to register with the notification service to receive notifications on the change of the clustered database, wherein the application server operates to configure and manage connection to the clustered database, adaptively according to the state change of the clustered database at run time.
摘要翻译：系统和方法可以支持使用数据源将应用程序服务器与群集数据库连接起来。聚集数据库包括多个数据库实例并与通知服务相关联。群集数据库可以使用通知服务来广播描述多个数据库实例中的状态改变的通知。数据源包括连接池，该连接池管理与集群数据库中的多个数据库实例的一组连接。数据源操作以向通知服务注册以接收关于群集数据库的更改的通知，其中应用服务器根据在运行时的群集数据库的状态变化自适应地配置和管理与群集数据库的连接。

7. 发明授权

US07486618B2 Weighted attributes on connections and closest connection match from a connection cache 有权
标题翻译：来自连接缓存的连接和最接近连接的加权属性匹配
公开(公告)号：US07486618B2
公开(公告)日：2009-02-03
申请号：US10446066
申请日：2003-05-27
申请人： Rajkumar Irudayaraj , Richard Ou
发明人： Rajkumar Irudayaraj , Richard Ou
IPC分类号： H04L12/26 , G06F17/30 , G06F15/16
CPC分类号： H04L45/742 , G06F17/3056 , Y10S707/99932 , Y10S707/99933
摘要： Techniques for obtaining a closest match connection to a resource (e.g., a database) from a cache are provided. The request specifies desired attribute values for the connection and a closest match connection is identified. The attributes can have associated weights that are utilized in order to determine the closest match connection to satisfy the connection request.
摘要翻译：提供了用于从高速缓存获得与资源（例如，数据库）的最接近匹配连接的技术。请求指定连接的所需属性值，并确定最接近的匹配连接。这些属性可以具有相关权重，以便确定最接近的匹配连接以满足连接请求。

8. 发明申请

US20120066363A1 SYSTEM AND METHOD FOR USING A GRIDLINK DATA SOURCE TO CONNECT AN APPLICATION SERVER WITH A CLUSTERED DATABASE 有权
标题翻译：使用网路数据源将应用服务器与集群数据库连接的系统和方法
公开(公告)号：US20120066363A1
公开(公告)日：2012-03-15
申请号：US13168506
申请日：2011-06-24
申请人： Alex Somogyi , Naresh Revanuru , Rajkumar Irudayaraj , Stephen Felts , Tong Zhou , Frances Zhao-Perez
发明人： Alex Somogyi , Naresh Revanuru , Rajkumar Irudayaraj , Stephen Felts , Tong Zhou , Frances Zhao-Perez
IPC分类号： G06F15/16
CPC分类号： G06F17/30286 , G06F9/45504 , G06F15/17318 , G06F17/30368 , G06F17/30584 , H04L29/06088 , H04L41/042 , H04L41/0686 , H04L49/358 , H04L67/02 , H04L67/10 , H04L67/1002 , H04L67/1004 , H04L67/1027 , H04L67/1034 , H04L67/1095 , H04L67/14 , H04L67/142 , H04L67/146
摘要： A system and method can support using a data source to connect an application server with a clustered database. The clustered database includes a plurality of database instances and is associated with a notification service. The notification service can be used by the clustered database to broadcast notifications that describe a state change in the plurality of database instances. The data source includes a connection pool, which manages a set of connections to the plurality of database instances in the clustered database. The data source operates to register with the notification service to receive notifications on the change of the clustered database, wherein the application server operates to configure and manage connection to the clustered database, adaptively according to the state change of the clustered database at run time.
摘要翻译：系统和方法可以支持使用数据源将应用程序服务器与群集数据库连接起来。聚集数据库包括多个数据库实例并与通知服务相关联。群集数据库可以使用通知服务来广播描述多个数据库实例中的状态改变的通知。数据源包括连接池，该连接池管理与集群数据库中的多个数据库实例的一组连接。数据源操作以向通知服务注册以接收关于群集数据库的更改的通知，其中应用服务器根据在运行时的群集数据库的状态变化自适应地配置和管理与群集数据库的连接。

9. 发明授权

US07269692B2 Implicit connection caching 有权
标题翻译：隐式连接缓存
公开(公告)号：US07269692B2
公开(公告)日：2007-09-11
申请号：US10446042
申请日：2003-05-27
申请人： Rajkumar Irudayaraj
发明人： Rajkumar Irudayaraj
IPC分类号： G06F12/00
CPC分类号： H04L67/1095
摘要： Techniques for implicitly caching connections to a resource (e.g., a database) are provided. A request for a connection does not specify that available connections are stored in a cache. If available connections are stored in a cache, the connection to the resource is obtained from the cache. Otherwise, a new connection to the resource is opened directly, without a connection caching mechanism.
摘要翻译：提供了用于隐式缓存与资源（例如，数据库）的连接的技术。对连接的请求没有指定可用连接存储在缓存中。如果可用连接存储在缓存中，则从高速缓存获取与资源的连接。否则，直接打开与资源的新连接，而不使用连接缓存机制。

10. 发明授权

US07251700B2 Time-to-live timeout on a logical connection from a connection cache 有权
标题翻译：来自连接缓存的逻辑连接上的生存时间超时
公开(公告)号：US07251700B2
公开(公告)日：2007-07-31
申请号：US10445985
申请日：2003-05-27
申请人： Rajkumar Irudayaraj , Sunil Kunisetty
发明人： Rajkumar Irudayaraj , Sunil Kunisetty
IPC分类号： G06F13/16
CPC分类号： G06F17/30557
摘要： Techniques for utilizing a time-to-live timeout on a logical connection to a resource (e.g., a database) from a cache are provided. When a logical connection to the resource is obtained, a timeout is set specifying the amount of time the logical connection can be utilized. If the timeout expires, the logical connection is closed and the underlying physical connection can be returned to the cache.
摘要翻译：提供了用于在从缓存到资源（例如数据库）的逻辑连接上利用生存时间超时的技术。当获得与资源的逻辑连接时，设置指定可以利用逻辑连接的时间量的超时。如果超时超时，逻辑连接将关闭，底层物理连接可以返回到缓存。

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