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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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 发明申请

US20100114826A1 CONFIGURATION MANAGEMENT IN DISTRIBUTED DATA SYSTEMS 审中-公开
标题翻译：分布式数据系统中的配置管理
公开(公告)号：US20100114826A1
公开(公告)日：2010-05-06
申请号：US12511644
申请日：2009-07-29
申请人： Santeri Olavi Voutilainen , Gopala Krishna Reddy Kakivaya , Ajay Kalhan , Lu Xun , Mark C. Benvenuto , Rishi Rakesh Sinha , Radhakrishnan Srikanth
发明人： Santeri Olavi Voutilainen , Gopala Krishna Reddy Kakivaya , Ajay Kalhan , Lu Xun , Mark C. Benvenuto , Rishi Rakesh Sinha , Radhakrishnan Srikanth
IPC分类号： G06F17/30
CPC分类号： H04L67/1095 , G06F11/1425 , G06F11/2025 , G06F11/2094 , H04L67/34
摘要： Systems and methods for managing configurations of data nodes in a distributed environment A configuration manager is implemented as a set of distributed master nodes that may use quorum-based processing to enable reliable identification of master nodes storing current configuration information, even if some of the master nodes fail. If a quorum of master nodes cannot be achieved or some other event occurs that precludes identification of current configuration information, the configuration manager may be rebuilt by analyzing reports from read/write quorums of nodes associated with a configuration, allowing automatic recovery of data partitions.
摘要翻译：用于管理分布式环境中的数据节点的配置的系统和方法配置管理器被实现为一组分布式主节点，其可以使用基于定理的处理来实现存储当前配置信息的主节点的可靠标识，即使一些主节点节点失败。如果无法实现主节点的法定人数或发生其他事件，排除当前配置信息的识别，则可以通过分析与配置关联的节点的读/写定额的报告来重建配置管理器，从而允许自动恢复数据分区。

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