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1. 发明授权

US08484417B2 Location updates for a distributed data store 有权
标题翻译：分布式数据存储的位置更新
公开(公告)号：US08484417B2
公开(公告)日：2013-07-09
申请号：US13337093
申请日：2011-12-24
申请人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F17/30949 , G06F12/0813
摘要： Version indicators within an existing range can be associated with a data partition in a distributed data store. A partition reconfiguration can be associated with one of multiple partitions in the data store, and a new version indicator that is outside the existing range can be assigned to the reconfigured partition. Additionally, a broadcast message can be sent to multiple nodes, which can include storage nodes and/or client nodes that are configured to communicate with storage nodes to access data in a distributed data store. The broadcast message can include updated location information for data in the data store. In addition, a response message can be sent to a requesting node of the multiple nodes in response to receiving from that node a message that requests updated location information for the data. The response message can include the requested updated location information.
摘要翻译：现有范围内的版本指示器可以与分布式数据存储中的数据分区关联。分区重新配置可以与数据存储中的多个分区中的一个相关联，并且可以将配置在现有范围之外的新版本指示符分配给重新配置的分区。另外，广播消息可以被发送到多个节点，其可以包括被配置为与存储节点进行通信以访问分布式数据存储中的数据的存储节点和/或客户端节点。广播消息可以包括用于数据存储中的数据的更新的位置信息。此外，响应于从该节点接收到请求数据的更新的位置信息的消息，响应消息可被发送到多个节点的请求节点。响应消息可以包括所请求的更新位置信息。

2. 发明申请

US20120096103A1 LOCATION UPDATES FOR A DISTRIBUTED DATA STORE 有权
标题翻译：分布式数据存储区的位置更新
公开(公告)号：US20120096103A1
公开(公告)日：2012-04-19
申请号：US13337093
申请日：2011-12-24
申请人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F15/16
CPC分类号： G06F17/30949 , G06F12/0813
摘要： Version indicators within an existing range can be associated with a data partition in a distributed data store. A partition reconfiguration can be associated with one of multiple partitions in the data store, and a new version indicator that is outside the existing range can be assigned to the reconfigured partition. Additionally, a broadcast message can be sent to multiple nodes, which can include storage nodes and/or client nodes that are configured to communicate with storage nodes to access data in a distributed data store. The broadcast message can include updated location information for data in the data store. In addition, a response message can be sent to a requesting node of the multiple nodes in response to receiving from that node a message that requests updated location information for the data. The response message can include the requested updated location information.
摘要翻译：现有范围内的版本指示器可以与分布式数据存储中的数据分区关联。分区重新配置可以与数据存储中的多个分区中的一个相关联，并且可以将配置在现有范围之外的新版本指示符分配给重新配置的分区。另外，广播消息可以被发送到多个节点，其可以包括被配置为与存储节点进行通信以访问分布式数据存储中的数据的存储节点和/或客户端节点。广播消息可以包括用于数据存储中的数据的更新的位置信息。此外，响应于从该节点接收到请求数据的更新的位置信息的消息，响应消息可被发送到多个节点的请求节点。响应消息可以包括所请求的更新位置信息。

3. 发明授权

US08108612B2 Location updates for a distributed data store 有权
标题翻译：分布式数据存储的位置更新
公开(公告)号：US08108612B2
公开(公告)日：2012-01-31
申请号：US12466390
申请日：2009-05-15
申请人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F17/30949 , G06F12/0813
摘要： Version indicators within an existing range can be associated with a data partition in a distributed data store. A partition reconfiguration can be associated with one of multiple partitions in the data store, and a new version indicator that is outside the existing range can be assigned to the reconfigured partition. Additionally, a broadcast message can be sent to multiple nodes, which can include storage nodes and/or client nodes that are configured to communicate with storage nodes to access data in a distributed data store. The broadcast message can include updated location information for data in the data store. In addition, a response message can be sent to a requesting node of the multiple nodes in response to receiving from that node a message that requests updated location information for the data. The response message can include the requested updated location information.
摘要翻译：现有范围内的版本指示器可以与分布式数据存储中的数据分区关联。分区重新配置可以与数据存储中的多个分区中的一个相关联，并且可以将配置在现有范围之外的新版本指示符分配给重新配置的分区。另外，广播消息可以被发送到多个节点，其可以包括被配置为与存储节点进行通信以访问分布式数据存储中的数据的存储节点和/或客户端节点。广播消息可以包括用于数据存储中的数据的更新的位置信息。此外，响应于从该节点接收到请求数据的更新的位置信息的消息，响应消息可被发送到多个节点的请求节点。响应消息可以包括所请求的更新位置信息。

4. 发明申请

US20100293334A1 LOCATION UPDATES FOR A DISTRIBUTED DATA STORE 有权
标题翻译：分布式数据存储区的位置更新
公开(公告)号：US20100293334A1
公开(公告)日：2010-11-18
申请号：US12466390
申请日：2009-05-15
申请人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Lu Xun , Hua-Jun Zeng , Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F12/08 , G06F12/00
CPC分类号： G06F17/30949 , G06F12/0813
摘要： Version indicators within an existing range can be associated with a data partition in a distributed data store. A partition reconfiguration can be associated with one of multiple partitions in the data store, and a new version indicator that is outside the existing range can be assigned to the reconfigured partition. Additionally, a broadcast message can be sent to multiple nodes, which can include storage nodes and/or client nodes that are configured to communicate with storage nodes to access data in a distributed data store. The broadcast message can include updated location information for data in the data store. In addition, a response message can be sent to a requesting node of the multiple nodes in response to receiving from that node a message that requests updated location information for the data. The response message can include the requested updated location information.
摘要翻译：现有范围内的版本指示器可以与分布式数据存储中的数据分区关联。分区重新配置可以与数据存储中的多个分区中的一个相关联，并且可以将配置在现有范围之外的新版本指示符分配给重新配置的分区。另外，广播消息可以被发送到多个节点，其可以包括被配置为与存储节点进行通信以访问分布式数据存储中的数据的存储节点和/或客户端节点。广播消息可以包括用于数据存储中的数据的更新的位置信息。此外，响应于从该节点接收到请求数据的更新的位置信息的消息，响应消息可被发送到多个节点的请求节点。响应消息可以包括所请求的更新位置信息。

5. 发明授权

US08108623B2 Poll based cache event notifications in a distributed cache 有权
标题翻译：在分布式缓存中基于轮询的缓存事件通知
公开(公告)号：US08108623B2
公开(公告)日：2012-01-31
申请号：US12463745
申请日：2009-05-11
申请人： Muralidhar Krishnaprasad , Gopal Krishan , Lakshmi Suresh Goduguluru , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Muralidhar Krishnaprasad , Gopal Krishan , Lakshmi Suresh Goduguluru , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F12/08
CPC分类号： G06F12/0873 , G06F12/0811 , G06F2212/264 , G06F2212/284
摘要： Systems and methods that supply poll based notification system in a distributed cache, for tracking changes to cache items. Local caches on the client can employ the notification system to keep the local objects in sync with the backend cache service; and can further dynamically adjust the “scope” of notifications required based on the number and distribution of keys in the local cache. The server can maintain the changes in an efficient fashion (in blocks) and returns the changes to clients that perform the appropriate filtering. Notifications can be associated with a session and/or an application.
摘要翻译：在分布式缓存中提供基于轮询的通知系统的系统和方法，用于跟踪缓存项目的更改。客户端上的本地缓存可以使用通知系统来保持本地对象与后端缓存服务同步; 并且可以基于本地缓存中的密钥的数量和分布进一步动态地调整所需通知的“范围”。服务器可以以有效的方式（以块为单位）维护更改，并将更改返回给执行适当过滤的客户端。通知可以与会话和/或应用程序相关联。

6. 发明申请

US20100106915A1 POLL BASED CACHE EVENT NOTIFICATIONS IN A DISTRIBUTED CACHE 有权
标题翻译：分布式缓存中基于POLL的高速缓存事件通知
公开(公告)号：US20100106915A1
公开(公告)日：2010-04-29
申请号：US12463745
申请日：2009-05-11
申请人： Muralidhar Krishnaprasad , Gopal Krishan , Lakshmi Suresh Goduguluru , Ankur Agrawal , Balachandar Pavadaisamy
发明人： Muralidhar Krishnaprasad , Gopal Krishan , Lakshmi Suresh Goduguluru , Ankur Agrawal , Balachandar Pavadaisamy
IPC分类号： G06F12/08
CPC分类号： G06F12/0873 , G06F12/0811 , G06F2212/264 , G06F2212/284
摘要： Systems and methods that supply poll based notification system in a distributed cache, for tracking changes to cache items. Local caches on the client can employ the notification system to keep the local objects in sync with the backend cache service; and can further dynamically adjust the “scope” of notifications required based on the number and distribution of keys in the local cache. The server can maintain the changes in an efficient fashion (in blocks) and returns the changes to clients that perform the appropriate filtering. Notifications can be associated with a session and/or an application.
摘要翻译：在分布式缓存中提供基于轮询的通知系统的系统和方法，用于跟踪缓存项目的更改。客户端上的本地缓存可以使用通知系统来保持本地对象与后端缓存服务同步; 并且可以基于本地缓存中的密钥的数量和分布进一步动态地调整所需通知的“范围”。服务器可以以有效的方式（以块为单位）维护更改，并将更改返回给执行适当过滤的客户端。通知可以与会话和/或应用程序相关联。

7. 发明授权

US09325802B2 Hierarchical scale unit values for storing instances of data among nodes of a distributed store 有权
标题翻译：用于存储分布式存储的节点之间的数据实例的分级缩放单位值
公开(公告)号：US09325802B2
公开(公告)日：2016-04-26
申请号：US12503994
申请日：2009-07-16
申请人： Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Lu Xun
发明人： Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Lu Xun
IPC分类号： H04L29/08 , G06F17/30 , G06F11/20
CPC分类号： G06F3/0619 , G06F3/0611 , G06F3/065 , G06F3/067 , G06F11/1471 , G06F11/2094 , G06F12/0811 , G06F12/0813 , G06F17/30194 , G06F17/30321 , G06F17/30864 , G06F17/30876 , G06F2212/154 , G06F2212/62 , H04L67/2842
摘要： Techniques are described herein for storing instances of data among nodes of a distributed store based on hierarchical scale unit values. Hierarchical scale unit values are assigned to the respective nodes of the distributed store. A first instance (e.g., a primary instance) of a data module is stored in a first node having a first hierarchical scale unit value. A primary instance of the data module with respect to a data operation is an instance of the data module at which the data operation with respect to the data module is initiated or initially directed. A second instance (e.g., a primary or secondary instance) of the data module is stored in a second node having a second hierarchical scale unit value based on a magnitude of a difference between the first hierarchical scale unit value and the second hierarchical scale unit value. A secondary instance is essentially a “back-up” instance.
摘要翻译：本文描述了用于基于分级比例单位值来存储分布式存储的节点之间的数据实例的技术。分层比例单位值被分配给分布式存储的相应节点。数据模块的第一实例（例如主要实例）被存储在具有第一分级比例单位值的第一节点中。关于数据操作的数据模块的主要实例是数据模块的实例，在该实例中数据模块相对于数据模块的数据操作被启动或初始定向。数据模块的第二实例（例如，主要或次要实例）基于第一分级比例尺单位值和第二分级比例单位值之间的差值的大小被存储在具有第二分级比例单位值的第二节点中。次要实例本质上是一个“备份”实例。

8. 发明申请

US20110016090A1 Hierarchical Scale Unit Values for Storing Instances of Data Among Nodes of a Distributed Store 有权
标题翻译：分布式存储器节点之间存储数据实例的分层比例单位值
公开(公告)号：US20110016090A1
公开(公告)日：2011-01-20
申请号：US12503994
申请日：2009-07-16
申请人： Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Lu Xun
发明人： Muralidhar Krishnaprasad , Radhakrishnan Srikanth , Lu Xun
IPC分类号： G06F7/06 , G06F17/30 , G06F12/00
CPC分类号： G06F3/0619 , G06F3/0611 , G06F3/065 , G06F3/067 , G06F11/1471 , G06F11/2094 , G06F12/0811 , G06F12/0813 , G06F17/30194 , G06F17/30321 , G06F17/30864 , G06F17/30876 , G06F2212/154 , G06F2212/62 , H04L67/2842
摘要： Techniques are described herein for storing instances of data among nodes of a distributed store based on hierarchical scale unit values. Hierarchical scale unit values are assigned to the respective nodes of the distributed store. A first instance (e.g., a primary instance) of a data module is stored in a first node having a first hierarchical scale unit value. A primary instance of the data module with respect to a data operation is an instance of the data module at which the data operation with respect to the data module is initiated or initially directed. A second instance (e.g., a primary or secondary instance) of the data module is stored in a second node having a second hierarchical scale unit value based on a magnitude of a difference between the first hierarchical scale unit value and the second hierarchical scale unit value. A secondary instance is essentially a “back-up” instance.
摘要翻译：本文描述了用于基于分级比例单位值来存储分布式存储的节点之间的数据实例的技术。分层比例单位值被分配给分布式存储的相应节点。数据模块的第一实例（例如主要实例）被存储在具有第一分级比例单位值的第一节点中。关于数据操作的数据模块的主要实例是数据模块的实例，在该实例中数据模块相对于数据模块的数据操作被启动或初始定向。数据模块的第二实例（例如，主要或次要实例）基于第一分级比例尺单位值和第二分级比例单位值之间的差值的大小被存储在具有第二分级比例单位值的第二节点中。次要实例本质上是一个“备份”实例。

9. 发明申请

US20100318584A1 Distributed Cache Availability During Garbage Collection 审中-公开
标题翻译：垃圾收集期间的分布式缓存可用性
公开(公告)号：US20100318584A1
公开(公告)日：2010-12-16
申请号：US12484185
申请日：2009-06-13
申请人： Muralidhar Krishnaprasad , Maoni Z. Stephens , Lu Xun , Anil K. Nori
发明人： Muralidhar Krishnaprasad , Maoni Z. Stephens , Lu Xun , Anil K. Nori
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0253 , G06F12/0806
摘要： Techniques are described herein for managing access to a distributed cache during garbage collection. When garbage collection is to be performed with respect to a node, the node may send a request to a data manager requesting to have an instance of data module(s) included in the node that are in a primary state placed in a secondary state. The data manager may change the state of the data module(s) to the secondary state. The data manager may change the state of another instance of the data module(s) that is included in another node to the primary state. When the garbage collection is complete with respect to the node, the node may send another request to the data manager requesting that the data module(s) that were placed in the secondary state be returned to the primary state. The data manager may return those data module(s) to the primary state.
摘要翻译：本文描述了在垃圾收集期间管理对分布式缓存的访问的技术。当相对于节点执行垃圾回收时，节点可以向数据管理器发送一个请求，该数据管理器请求将节点中包括的处于主状态的数据模块的实例置于次级状态。数据管理器可以将数据模块的状态更改为辅助状态。数据管理器可以将包含在另一个节点中的数据模块的另一个实例的状态改变为主状态。当相对于节点完成垃圾收集时，节点可以向数据管理器发送另一个请求，请求将处于次要状态的数据模块返回到主状态。数据管理器可以将这些数据模块返回到主状态。

10. 发明申请

US20100114824A1 REPLICATION FOR COMMON AVAILABILITY SUBSTRATE 有权
标题翻译：常见可用性基板的复制
公开(公告)号：US20100114824A1
公开(公告)日：2010-05-06
申请号：US12420364
申请日：2009-04-08
申请人： Muralidhar Krishnaprasad , Anil K. Nori , Lu Xun , Anurag Gupta , Manoj Valiyaparambil
发明人： Muralidhar Krishnaprasad , Anil K. Nori , Lu Xun , Anurag Gupta , Manoj Valiyaparambil
IPC分类号： G06F17/30
CPC分类号： G06F11/2094 , G06F11/2097
摘要： Systems and methods that supply a replication layer/agent that is generic to supporting a plurality of storage configuration as part of a distributed store. Such distributed store employs a Common Availability Substrate (CAS) for data transport and consistency, to render the distributed store scalable and available. Such an arrangement enables continuous operation of the store, while the replication subsystem creates new replicas (e.g., for load balancing, failover, and the like).
摘要翻译：提供复制层/代理的系统和方法，该复制层/代理通用以支持多个存储配置作为分布式存储的一部分。这种分布式存储使用公共可用性基板（CAS）进行数据传输和一致性，以使分布式存储可扩展和可用。这样的布置使得能够连续地操作商店，而复制子系统创建新的副本（例如，用于负载平衡，故障切换等）。

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