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1. 发明申请

US20170011074A1 DISTRIBUTED DATABASE SYSTEM 审中-公开
标题翻译：分布式数据库系统
公开(公告)号：US20170011074A1
公开(公告)日：2017-01-12
申请号：US15201931
申请日：2016-07-05
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Stephen A. Revilak
IPC分类号： G06F17/30
摘要： Managing database transactions in a distributed database system includes: maintaining, at a first node, a first plurality of records of transactions, each associated with a transaction and including a start time of the transaction and a start time of an oldest transaction that was active at the start time of the transaction; maintaining, at a second node, a second plurality of records of transactions, including records of completed transactions associated with the second node, each including a transaction start time and a transaction end time; receiving at the second node, a message from the first node including a start time of an oldest transaction that was active at the transaction start time of the oldest currently active transaction in the system; and removing, from the second plurality of records, any records of completed transactions with a transaction end time occurring before the start time of the oldest transaction.
摘要翻译：在分布式数据库系统中管理数据库事务包括：在第一节点处维护交易的第一多个记录，每个交易记录与交易相关联并且包括交易的开始时间以及活跃于最新交易的最早交易的开始时间交易的开始时间; 在第二节点处维护第二多个事务记录，包括与第二节点相关联的完成的事务的记录，每个记录包括事务开始时间和事务结束时间; 在第二节点处接收来自第一节点的消息，其包括在系统中最旧的当前活动事务的事务开始时间处于活动状态的最旧事务的开始时间; 以及从所述第二多个记录中移除在所述最旧事务的开始时间之前出现的事务结束时间的完成事务的任何记录。

2. 发明申请

US20150149503A1 PARALLEL ACCESS TO DATA IN A DISTRIBUTED FILE SYSTEM 审中-公开
标题翻译：并发访问分布式文件系统中的数据
公开(公告)号：US20150149503A1
公开(公告)日：2015-05-28
申请号：US14090434
申请日：2013-11-26
申请人： Ab Initio Technology LLC
发明人： Ann M. Wollrath , Bryan Phil Douros , Marshall Alan Isman , Timothy Wakeling
IPC分类号： G06F17/30
摘要： An approach to parallel access of data from a distributed filesystem provides parallel access to one or more named units (e.g., files) in the filesystem by creating multiple parallel data streams such that all the data of the desired units is partitioned over the multiple streams. In some examples, the multiple streams form multiple inputs to a parallel implementation of a computation system, such as a graph-based computation system, dataflow-based system, and/or a (e.g., relational) database system.
摘要翻译：从分布式文件系统并行访问数据的方法通过创建多个并行数据流来提供对文件系统中的一个或多个命名单元（例如，文件）的并行访问，使得所需单元的所有数据在多个流上被分区。在一些示例中，多个流形成计算系统的并行实现的多个输入，诸如基于图的计算系统，基于数据流的系统和/或（例如，关系）数据库系统。

3. 发明授权

US11269918B2 Managing a computing cluster 有权
公开(公告)号：US11269918B2
公开(公告)日：2022-03-08
申请号：US16175454
申请日：2018-10-30
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Craig W. Stanfill , Joseph Skeffington Wholey, III
IPC分类号： G06F16/182 , G06F16/27 , G06F9/54 , G06F11/14 , G06F16/23 , G06F9/46
摘要： A method for managing a distributed data processing system, the method implementing counters to track durability states of data units in the distributed data processing system, wherein the counters are used to manage processing of the data units in the distributed data processing system.

4. 发明授权

US10776325B2 Parallel access to data in a distributed file system 有权
公开(公告)号：US10776325B2
公开(公告)日：2020-09-15
申请号：US14090434
申请日：2013-11-26
申请人： Ab Initio Technology LLC
发明人： Ann M. Wollrath , Bryan Phil Douros , Marshall Alan Isman , Timothy Wakeling
IPC分类号： G06F16/00 , G06F16/18 , G06F16/182 , G06F9/50 , G06F16/2458
摘要： An approach to parallel access of data from a distributed filesystem provides parallel access to one or more named units (e.g., files) in the filesystem by creating multiple parallel data streams such that all the data of the desired units is partitioned over the multiple streams. In some examples, the multiple streams form multiple inputs to a parallel implementation of a computation system, such as a graph-based computation system, dataflow-based system, and/or a (e.g., relational) database system.

5. 发明申请

US20170208113A1 RECOVERABLE STREAM PROCESSING 审中-公开
公开(公告)号：US20170208113A1
公开(公告)日：2017-07-20
申请号：US15405618
申请日：2017-01-13
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Craig W. Stanfill , Joseph Skeffington Wholey, III
IPC分类号： H04L29/06 , H04L29/08
摘要： A computing system includes nodes executing data processing programs that each process at least one stream of data units. A data storage system stores shared data accessible by at least two of the programs. Processing at least one stream using a first data processing program includes: processing a first stream of data units that includes multiple subsets of contiguous data units; initiating termination of processing within the first data processing program, between processing a first subset of contiguous data units and processing a second subset of contiguous data units adjacent to the first subset of contiguous data units within the first stream of data units; durably storing at least some changes to the shared data caused by processing the first subset of contiguous data units after determining that the termination of processing within the first data processing program has completed; and resuming processing within the first data processing program.

6. 发明授权

US09304807B2 Fault tolerant batch processing 有权
公开(公告)号：US09304807B2
公开(公告)日：2016-04-05
申请号：US14057157
申请日：2013-10-18
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Matthew Darcy Atterbury , Tim Wakeling
IPC分类号： G06F11/00 , G06F9/46 , G06F11/14
CPC分类号： G06F9/46 , G06F11/1438 , G06F11/1471
摘要： Among other aspects disclosed are a method and system for processing a batch of input data in a fault tolerant manner. The method includes reading a batch of input data including a plurality of records from one or more data sources and passing the batch through a dataflow graph. The dataflow graph includes two or more nodes representing components connected by links representing flows of data between the components. At least one but fewer than all of the components includes a checkpoint process for an action performed for each of multiple units of work associated with one or more of the records. The checkpoint process includes opening a checkpoint buffer stored in non-volatile memory at the start of processing for the batch.

7. 发明申请

US20140053159A1 FAULT TOLERANT BATCH PROCESSING 有权
标题翻译：容错批处理
公开(公告)号：US20140053159A1
公开(公告)日：2014-02-20
申请号：US14057157
申请日：2013-10-18
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Matthew Darcy Atterbury , Tim Wakeling
IPC分类号： G06F9/46
CPC分类号： G06F9/46 , G06F11/1438 , G06F11/1471
摘要： Among other aspects disclosed are a method and system for processing a batch of input data in a fault tolerant manner. The method includes reading a batch of input data including a plurality of records from one or more data sources and passing the batch through a dataflow graph. The dataflow graph includes two or more nodes representing components connected by links representing flows of data between the components. At least one but fewer than all of the components includes a checkpoint process for an action performed for each of multiple units of work associated with one or more of the records. The checkpoint process includes opening a checkpoint buffer stored in non-volatile memory at the start of processing for the batch.
摘要翻译：公开的其它方面是用于以容错方式处理一批输入数据的方法和系统。该方法包括从一个或多个数据源读取一批包括多个记录的输入数据，并将批次传递通过数据流图。数据流图包括两个或更多个节点，表示通过表示组件之间的数据流的链接连接的组件。至少一个但少于所有组件包括针对与一个或多个记录相关联的多个工作单元中的每一个执行的动作的检查点过程。检查点过程包括在批处理开始时打开存储在非易失性存储器中的检查点缓冲区。

8. 发明授权

US10949414B2 Managing a computing cluster interface 有权
公开(公告)号：US10949414B2
公开(公告)日：2021-03-16
申请号：US16175363
申请日：2018-10-30
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Craig W. Stanfill
IPC分类号： G06F16/23 , G06F16/182 , G06F11/14 , G06F16/27 , G06F9/54 , G06F9/46
摘要： A method for processing data using a distributed data processing system includes providing input data to the distributed data processing system from a distributed data processing system interface component in communication with the distributed data processing system. The distributed data processing system processes the input data to generate a response, which it provides to the distributed data processing system interface component. The distributed data processing system interface component holds the response in escrow until it receives an indication from the distributed data processing system that the response has reached a sufficient level of durability.

9. 发明授权

US10601890B2 Recoverable stream processing 有权
公开(公告)号：US10601890B2
公开(公告)日：2020-03-24
申请号：US15405618
申请日：2017-01-13
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Craig W. Stanfill , Joseph Skeffington Wholey, III
IPC分类号： H04L29/06 , G06F11/14 , G06F9/52 , H04L29/08 , G06F11/20
摘要： A computing system includes nodes executing data processing programs that each process at least one stream of data units. A data storage system stores shared data accessible by at least two of the programs. Processing at least one stream using a first data processing program includes: processing a first stream of data units that includes multiple subsets of contiguous data units; initiating termination of processing within the first data processing program, between processing a first subset of contiguous data units and processing a second subset of contiguous data units adjacent to the first subset of contiguous data units within the first stream of data units; durably storing at least some changes to the shared data caused by processing the first subset of contiguous data units after determining that the termination of processing within the first data processing program has completed; and resuming processing within the first data processing program.

10. 发明授权

US10489362B2 Distributed database system 有权
公开(公告)号：US10489362B2
公开(公告)日：2019-11-26
申请号：US15201849
申请日：2016-07-05
申请人： Ab Initio Technology LLC
发明人： Bryan Phil Douros , Stephen A. Revilak
IPC分类号： G06F16/215 , G06F16/23 , G06F9/46 , G06F16/27
CPC分类号： G06F16/215 , G06F16/2308 , G06F16/2329 , G06F16/2343 , G06F16/2365 , G06F16/2379 , G06F16/27
摘要： Managing potentially concurrent transactions in a distributed database system includes: maintaining, at a first node, records of transactions executing on one or more nodes, each having a transaction state, execution of a first transaction at a second node including an operation for accessing a first data element stored on the second node and execution of a second transaction at the second node including an operation for accessing the first data element; receiving, at the second node from the first node, a list of transactions including any transactions executing on the second node and having a first transaction state at a time of initiation of the second transaction, and including the first transaction; determining that an outcome of the second transaction depends on an outcome of the first transaction based on the list; and suspending execution of the second transaction until after the first transaction is complete based on the determining.

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