公开(公告)号：US20070226196A1

公开(公告)日：2007-09-27

申请号：US11725206

申请日：2007-03-16

申请人： Atul Adya ,  Jose A. Blakeley ,  Per-Ake Larson ,  Sergey Melnik

发明人： Atul Adya ,  Jose A. Blakeley ,  Per-Ake Larson ,  Sergey Melnik

IPC分类号： G06F17/30

CPC分类号： G06F17/30457 ,  Y10S707/99932

摘要： A data access architecture is provided that includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. The mapping architecture makes use of two types of mapping views—a query view that helps in translating queries and an update view that helps in translating updates. Incremental view maintenance can be used to translate data between the application and database.

摘要翻译： 提供了一种数据访问架构，其包括映射体系结构，用于将应用程序可能使用的数据映射为持久存储在数据库中的数据。 映射架构使用两种类型的映射视图 - 一种查询视图，可帮助翻译查询和更新视图，有助于翻译更新。 增量视图维护可用于在应用程序和数据库之间转换数据。

公开(公告)号：US07680767B2

公开(公告)日：2010-03-16

申请号：US11725206

申请日：2007-03-16

申请人： Atul Adya ,  Jose A. Blakeley ,  Per-Ake Larson ,  Sergey Melnik

发明人： Atul Adya ,  Jose A. Blakeley ,  Per-Ake Larson ,  Sergey Melnik

IPC分类号： G06F7/00 ,  G06F17/00 ,  G06F17/30

CPC分类号： G06F17/30457 ,  Y10S707/99932

摘要： A data access architecture is provided that includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. The mapping architecture makes use of two types of mapping views—a query view that helps in translating queries and an update view that helps in translating updates. Incremental view maintenance can be used to translate data between the application and database.

摘要翻译： 提供了一种数据访问架构，其包括映射体系结构，用于将应用程序可能使用的数据映射为持久存储在数据库中的数据。 映射架构使用两种类型的映射视图 - 一种查询视图，可帮助翻译查询和更新视图，有助于翻译更新。 增量视图维护可用于在应用程序和数据库之间转换数据。

公开(公告)号：US20080183725A1

公开(公告)日：2008-07-31

申请号：US11669376

申请日：2007-01-31

申请人： Jose A. Blakeley ,  Atul Adya ,  Subramanian Muralidhar ,  Sergey Melnik ,  Shyamalan Pather ,  Xiaosong Yang ,  Srikanth Mandadi ,  Pratik Patel ,  Brahmnes Tsz Foon Fung ,  Kawarjit Bedi ,  Daniel G. Dosen ,  Timothy I. Mallalieu

发明人： Jose A. Blakeley ,  Atul Adya ,  Subramanian Muralidhar ,  Sergey Melnik ,  Shyamalan Pather ,  Xiaosong Yang ,  Srikanth Mandadi ,  Pratik Patel ,  Brahmnes Tsz Foon Fung ,  Kawarjit Bedi ,  Daniel G. Dosen ,  Timothy I. Mallalieu

IPC分类号： G06F17/30

CPC分类号： G06F16/278

摘要： A data processing and storage system is provided. The system includes an aggregator component that stores metadata from at least two disparate data domains. A framework component encapsulates the metadata according to an abstraction model that describes the disparate data domains.

摘要翻译： 提供数据处理和存储系统。 该系统包括聚集器组件，其存储来自至少两个不同数据域的元数据。 框架组件根据描述不同数据域的抽象模型来封装元数据。

公开(公告)号：US20080228697A1

公开(公告)日：2008-09-18

申请号：US11725195

申请日：2007-03-16

申请人： Atul Adya ,  Sergey Melnik ,  Zlatko Michailov ,  Colin Joseph Meek

发明人： Atul Adya ,  Sergey Melnik ,  Zlatko Michailov ,  Colin Joseph Meek

IPC分类号： G06F17/30

CPC分类号： G06F17/30575 ,  G06F17/30294 ,  G06F17/30595 ,  G06F17/30607

摘要： A database update pipeline may be incorporated into a data access architecture for providing data services to applications, thereby bridging the gap between application data and data as persisted in databases. The update pipeline has the ability to translate changes made to object instances into data store change constructs, and carry those changes over to a data store. Such a pipeline can also advantageously perform the reverse operation, allowing applications to query using the database update pipeline, and receive materialized object instances.

摘要翻译： 数据库更新流水线可以被并入用于向应用提供数据服务的数据访问架构，从而桥接应用数据和数据之间的间隔，如同在数据库中一样。 更新管道具有将对象实例所做的更改转换为数据存储更改结构的能力，并将这些更改转发到数据存储。 这样的管道还可以有利地执行反向操作，允许应用程序使用数据库更新流水线进行查询，并且接收物化对象实例。

公开(公告)号：US07647298B2

公开(公告)日：2010-01-12

申请号：US11724991

申请日：2007-03-16

申请人： Atul Adya ,  Philip A. Bernstein ,  Sergey Melnik

发明人： Atul Adya ,  Philip A. Bernstein ,  Sergey Melnik

IPC分类号： G06F7/00 ,  G06F17/00 ,  G06F17/30

CPC分类号： G06F17/30418 ,  Y10S707/99932

摘要： A data access architecture may includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. Such a mapping architecture uses two types of “mapping views”—one for translating queries and the other for translating updates. A mechanism is provided that automatically generates query and update views from high-level mapping specifications. A validation may be performed to ensure that a mapping specification, when used in conjunction with a mapping architecture, allows data to “roundtrip” from the application to the database, without loss of data.

摘要翻译： 数据访问架构可以包括映射体系结构，用于将应用程序可能使用的数据映射为持久存储在数据库中的数据。 这种映射架构使用两种类型的“映射视图” - 一种用于翻译查询，另一种用于翻译更新。 提供了一种自动生成来自高级映射规范的查询和更新视图的机制。 可以执行验证以确保映射规范在与映射体系结合使用时允许数据从应用程序“往返”到数据库，而不会丢失数据。

公开(公告)号：US20070226203A1

公开(公告)日：2007-09-27

申请号：US11724991

申请日：2007-03-16

申请人： Atul Adya ,  Philip A. Bernstein ,  Sergey Melnik

发明人： Atul Adya ,  Philip A. Bernstein ,  Sergey Melnik

IPC分类号： G06F17/30

CPC分类号： G06F17/30418 ,  Y10S707/99932

摘要： A data access architecture may includes a mapping architecture for mapping data as may be used by an application to data as persisted in a database. Such a mapping architecture uses two types of “mapping views”—one for translating queries and the other for translating updates. A mechanism is provided that automatically generates query and update views from high-level mapping specifications. A validation may be performed to ensure that a mapping specification, when used in conjunction with a mapping architecture, allows data to “roundtrip” from the application to the database, without loss of data.

摘要翻译： 数据访问架构可以包括映射体系结构，用于将应用程序可能使用的数据映射为数据库中保存的数据。 这种映射架构使用两种类型的“映射视图” - 一种用于翻译查询，另一种用于翻译更新。 提供了一种自动生成来自高级映射规范的查询和更新视图的机制。 可以执行验证以确保映射规范在与映射体系结合使用时允许数据从应用程序“往返”到数据库，而不会丢失数据。

公开(公告)号：US09430552B2

公开(公告)日：2016-08-30

申请号：US11725195

申请日：2007-03-16

申请人： Atul Adya ,  Sergey Melnik ,  Zlatko Michailov ,  Colin Joseph Meek

发明人： Atul Adya ,  Sergey Melnik ,  Zlatko Michailov ,  Colin Joseph Meek

IPC分类号： G06F17/30 ,  G06F7/00

CPC分类号： G06F17/30575 ,  G06F17/30294 ,  G06F17/30595 ,  G06F17/30607

摘要： A database update pipeline may be incorporated into a data access architecture for providing data services to applications, thereby bridging the gap between application data and data as persisted in databases. The update pipeline has the ability to translate changes made to object instances into data store change constructs, and carry those changes over to a data store. Such a pipeline can also advantageously perform the reverse operation, allowing applications to query using the database update pipeline, and receive materialized object instances.

摘要翻译： 数据库更新流水线可以被并入用于向应用提供数据服务的数据访问架构，从而桥接应用数据和数据之间的间隔，如同在数据库中一样。 更新管道具有将对象实例所做的更改转换为数据存储更改结构的能力，并将这些更改转发到数据存储。 这样的管道还可以有利地执行反向操作，允许应用程序使用数据库更新流水线进行查询，并且接收物化对象实例。

公开(公告)号：US20100088300A1

公开(公告)日：2010-04-08

申请号：US12245972

申请日：2008-10-06

申请人： Abolade Gbadegesin ,  Viraj B. Mody ,  David C. Steere ,  William Michael Zintel ,  Bruce W. Copeland ,  Atul Adya ,  Thomas W. Kleinpeter

发明人： Abolade Gbadegesin ,  Viraj B. Mody ,  David C. Steere ,  William Michael Zintel ,  Bruce W. Copeland ,  Atul Adya ,  Thomas W. Kleinpeter

IPC分类号： G06F7/06 ,  G06F17/30

CPC分类号： H04L29/0854 ,  G06F17/30516 ,  H04L67/1095

摘要： Clients may subscribe to resources for the purpose of receiving notifications of changes in the resource (e.g., a file is added to a shared folder). Storing subscriptions within persistent storage provides data security in the event of a service failure, at the cost of high latency in accessing subscription data. An efficient method for tracking a resource is provided herein. A subscription service creates subscriptions and monitors resources for a client. Upon a subscribed resource change, a notification service stores a notification of the change into a queue associated with the client. Efficient resource tracking is achieved because notification and subscription data is stored in low latency soft memory. The notification service is configured to detect a failure in the notification service and/or subscription service. In the event a service fails, the client provides a recovery mechanism by resubscribing to resources the client is interested in.

摘要翻译： 客户可以订阅资源，以便接收资源更改的通知（例如，将文件添加到共享文件夹）。 在永久存储器中存储订阅会在服务发生故障的情况下提供数据安全性，代价是访问订阅数据的高延迟。 本文提供了一种跟踪资源的有效方法。 订阅服务创建订阅并监视客户端的资源。 在订阅的资源更改时，通知服务将更改的通知存储到与客户端相关联的队列中。 由于通知和订阅数据存储在低延迟软存储器中，因此实现高效的资源跟踪。 通知服务被配置为检测通知服务和/或订阅服务中的故障。 在服务失败的情况下，客户端通过重新订阅客户端感兴趣的资源来提供恢复机制。

公开(公告)号：US07519623B2

公开(公告)日：2009-04-14

申请号：US10991656

申请日：2004-11-18

申请人： John R. Douceur ,  Marvin M. Theimer ,  Atul Adya ,  William J. Bolosky

发明人： John R. Douceur ,  Marvin M. Theimer ,  Atul Adya ,  William J. Bolosky

IPC分类号： G06F17/30

CPC分类号： G06F17/30156 ,  Y10S707/99944 ,  Y10S707/99946 ,  Y10S707/99952 ,  Y10S707/99953

摘要： Potentially identical objects (e.g., files) are located across multiple computers based on stochastic partitioning of workload. For each of a plurality of objects stored on a plurality of computers in a network, a portion of object information corresponding to the object is selected. The object information can be generated in a variety of manners (e.g., based on hashing the object, based on characteristics of the object, and so forth). Any of a variety of portions of the object information can be used (e.g., the least significant bits of the object information). A stochastic partitioning process is then used to identify which of the plurality of computers to communicate the object information to for identification of potentially identical objects on the plurality of computers.

公开(公告)号：US07478243B2

公开(公告)日：2009-01-13

申请号：US09814337

申请日：2001-03-21

申请人： William J. Bolosky ,  Atul Adya ,  John R. Douceur

发明人： William J. Bolosky ,  Atul Adya ,  John R. Douceur

IPC分类号： H04L1/00

CPC分类号： G06F21/64 ,  G06F2221/2101 ,  H04L9/3236 ,  H04L9/3247 ,  H04L2209/20 ,  H04L2209/60 ,  H04L2209/80

摘要： In a serverless distributed file system, the writer of a file can provide file authentication information to a verifying machine without having to compute a new digital signature every time a written file is closed. Periodically, the writer compiles a list of the hash values of all files that have been written over a recent interval, computes a hash of the list, and signs the hash. This signed list of hash values is known as a manifest, akin to a shipping manifest that enumerates the items in a shipment. The advantage of using a signed manifest is that the writer need only perform a single signature computation in order to authenticate the writes to multiple files, rather than having to compute a separate signature for each file, as it would if a signature were embedded in each file.