专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20160147812A1 Garbage Collection of Versions Driving the Garbage Collection of Multi-Version Concurrency Control Timestamps 有权
标题翻译：垃圾收集版本驱动多版本并发控制垃圾收集时间戳
公开(公告)号：US20160147812A1
公开(公告)日：2016-05-26
申请号：US14579162
申请日：2014-12-22
申请人： Mihnea ANDREI , Ivan Schreter , Amarnadh Eluri , Thorsten Glebe , Eunsang Kim
发明人： Mihnea ANDREI , Ivan Schreter , Amarnadh Eluri , Thorsten Glebe , Eunsang Kim
IPC分类号： G06F17/30 , G06F12/02
CPC分类号： G06F17/30353
摘要： Disclosed herein are system, method, and computer program product embodiments for performing garbage collection on a multi-version concurrency control information in the database management system. An embodiment operates by determining, using multi-version concurrency control (MVCC) information, when a row manipulated by a write transaction is visible to a plurality of readers accessing a table that includes the row. The MVCC information for the row includes at least a creation timestamp, a destruction timestamp and a row state. Once the row is visible to the plurality of readers, garbage collecting at least the creation timestamp or the destruction timestamp in the MVCC information. After the creation timestamp or destruction timestamp have been garbage collected, the plurality of readers use the row state to determine accessibility of the row in the table.
摘要翻译：这里公开了用于在数据库管理系统中的多版本并发控制信息上执行垃圾收集的系统，方法和计算机程序产品实施例。一个实施例通过使用多版本并发控制（MVCC）信息确定当由写入事务操纵的行对于访问包括该行的表的多个读取器是可见的时，确定操作。该行的MVCC信息至少包括创建时间戳，销毁时间戳和行状态。一旦该行对于多个读取器是可见的，则垃圾收集至少在MVCC信息中的创建时间戳或破坏时间戳。在创建时间戳或破坏时间戳已经被垃圾回收之后，多个读取器使用行状态来确定表中行的可访问性。

2. 发明申请

US20130117247A1 Columnar Database Using Virtual File Data Objects 有权
标题翻译：使用虚拟文件数据对象的列数据库
公开(公告)号：US20130117247A1
公开(公告)日：2013-05-09
申请号：US13290866
申请日：2011-11-07
申请人： Ivan Schreter , Thorsten Glebe , Tobias Scheuer
发明人： Ivan Schreter , Thorsten Glebe , Tobias Scheuer
IPC分类号： G06F7/00
CPC分类号： G06F17/30315
摘要： A plurality of virtual files are instantiated in a columnar database. The columnar database includes a columnar data store that persists tables of data contained therein to the plurality of virtual files. Each virtual file is stored in physical data storage and a portion of the virtual file can be cached transiently in a persistence layer intermediate the columnar data store and the physical data storage. The virtual files each comprise a database object for storing data records. Operation are processed, in the columnar database, using the virtual files such that changes to virtual files resulting from the operations of one transaction are isolated from changes on the same virtual files resulting from the operations of other transactions. Related apparatus, systems, techniques and articles are also described.
摘要翻译：多个虚拟文件在柱状数据库中实例化。柱状数据库包括一个列数据存储，其将包含在其中的数据表保留到多个虚拟文件。每个虚拟文件存储在物理数据存储中，并且虚拟文件的一部分可以在列数据存储和物理数据存储之间的持久层中瞬时缓存。虚拟文件各自包括用于存储数据记录的数据库对象。在列数据库中，使用虚拟文件处理操作，使得从一个事务的操作产生的虚拟文件的更改与其他事务的操作产生的相同虚拟文件的更改隔离。还描述了相关设备，系统，技术和物品。

3. 发明授权

US08180745B2 Persistent object references to parallel database containers 有权
标题翻译：持久对象引用并行数据库容器
公开(公告)号：US08180745B2
公开(公告)日：2012-05-15
申请号：US11641277
申请日：2006-12-19
申请人： Andrei Suvernev , Thorsten Glebe
发明人： Andrei Suvernev , Thorsten Glebe
IPC分类号： G06F17/00 , G06F7/00
CPC分类号： G06F17/30445 , G06F17/30362
摘要： A system to create a first database object in the object-oriented database, the first database object associated with a primary key, a first group ID m, and a first delta ID m, associate a first pointer with the first database object, create a second database object in the object-oriented database, the second database object associated with the primary key, a second group ID n, and a second delta ID n, associate a second pointer with the second database object, and create a third database object in the object-oriented database, the third database object associated with the primary key, the first group ID m, and a third delta ID m+1. The third database object is associated with a change to the first database object.
摘要翻译：用于在面向对象数据库中创建第一数据库对象的系统，与主键相关联的第一数据库对象，第一组ID m和第一增量ID m m将第一指针与第一数据库对象相关联，创建一个面向对象数据库中的第二数据库对象，与主键相关联的第二数据库对象，第二组ID n和第二增量ID n，将第二指针与第二数据库对象相关联，并且在第二数据库对象中创建第三数据库对象面向对象的数据库，与主键相关联的第三数据库对象，第一组ID m和第三增量ID m + 1。第三个数据库对象与第一个数据库对象的更改相关联。

4. 发明申请

US20080243913A1 Partial sub-lock for delta object management 有权
标题翻译： Delta对象管理的部分子锁
公开(公告)号：US20080243913A1
公开(公告)日：2008-10-02
申请号：US11731195
申请日：2007-03-30
申请人： Andrei Suvernev , Thorsten Glebe
发明人： Andrei Suvernev , Thorsten Glebe
IPC分类号： G06F17/30
CPC分类号： G06F17/30356 , G06F17/30362
摘要： A system may include creation a first database object associated with a primary key and a first delta ID m, association of a first pointer with the first database object, creation of a data structure associating the first pointer with a first index m, a second index m and a delta object map, determination of a request from a transaction to change a database object associated with the first pointer, incrementing of the first index of the data structure, creation of a second database object associated with the primary key and a second delta ID m+1, the second database object being associated with a change to the first database object, and modification of the delta object map to indicate the second database object.
摘要翻译：系统可以包括创建与主键相关联的第一数据库对象和第一增量ID m，第一指针与第一数据库对象的关联，创建将第一指针与第一索引m相关联的数据结构，第二索引 m和delta对象图，确定来自事务的请求以改变与第一指针相关联的数据库对象，增加数据结构的第一索引，创建与主键相关联的第二数据库对象以及第二增量 ID m + 1，第二数据库对象与第一数据库对象的改变相关联，以及修改增量对象映射以指示第二数据库对象。

5. 发明申请

US20130290665A1 STORING LARGE OBJECTS ON DISK AND NOT IN MAIN MEMORY OF AN IN-MEMORY DATABASE SYSTEM 有权
标题翻译：存储磁盘上的大型对象，而不是内存数据库系统的主存储器
公开(公告)号：US20130290665A1
公开(公告)日：2013-10-31
申请号：US13460803
申请日：2012-04-30
申请人： Martin Heidel , Michael Muehle , Thorsten Glebe , Robert Schulze
发明人： Martin Heidel , Michael Muehle , Thorsten Glebe , Robert Schulze
IPC分类号： G06F12/02
CPC分类号： G06F17/30318
摘要： A method, computer program product and system are provided. The method, computer program product and system execute a process for determining a size of an object, the object having raw data that is operable upon by one or more physical operators. If the object is smaller than a threshold size, the object is stored in main memory of an in-memory database system. If the object is equal to or larger than the threshold size, the object is stored in a persistency of a disk storage, where storing the object in a disk storage further includes generating a global container identifier (ID) for the object, the global container ID referencing raw data of the object stored in the persistency of the disk storage.
摘要翻译：提供了一种方法，计算机程序产品和系统。所述方法，计算机程序产品和系统执行用于确定对象的大小的过程，所述对象具有可由一个或多个物理操作者操作的原始数据。如果对象小于阈值大小，则对象存储在内存数据库系统的主存储器中。如果对象等于或大于阈值大小，则对象被存储在磁盘存储器的持久性中，其中将对象存储在磁盘存储器中还包括为对象生成全局容器标识符（ID），全局容器 ID引用存储在磁盘存储器的持久性中的对象的原始数据。

6. 发明申请

US20100145916A1 MONITORING UPDATES INVOLVING DATA STRUCTURES ACCESSED IN PARALLEL TRANSACTIONS 有权
标题翻译：监督参与并行交易的数据结构的更新
公开(公告)号：US20100145916A1
公开(公告)日：2010-06-10
申请号：US12332254
申请日：2008-12-10
申请人： Thorsten Glebe , Andrei Suvernev
发明人： Thorsten Glebe , Andrei Suvernev
IPC分类号： G06F17/30
CPC分类号： G06F17/30336
摘要： The embodiments described herein provide techniques for monitoring updates involving data structures accessed in parallel transactions. In an example, objects may be stored in one of the data structures and such objects that may be accessed in multiple, parallel transactions. Counters are maintained in another data structure to track the stored objects. In an illustrative embodiment, this counter is based on a checksum that is derived from a sub key that uniquely identifies an object within a group of objects.
摘要翻译：这里描述的实施例提供了用于监视涉及在并行事务中访问的数据结构的更新的技术。在一个示例中，对象可以存储在可以在多个并行事务中访问的数据结构和这些对象之一中。计数器被维护在另一个数据结构中以跟踪存储的对象。在说明性实施例中，该计数器基于从唯一地标识对象组内的对象的子密钥导出的校验和。

7. 发明申请

US20070005457A1 Parallel time interval processing through shadowing 有权
标题翻译：并行时间间隔处理通过阴影
公开(公告)号：US20070005457A1
公开(公告)日：2007-01-04
申请号：US11155732
申请日：2005-06-16
申请人： Andrei Suvernev , Thorsten Glebe , Volkmar Soehner , Daniel Booss
发明人： Andrei Suvernev , Thorsten Glebe , Volkmar Soehner , Daniel Booss
IPC分类号： G06Q10/00
CPC分类号： G06Q10/087 , G06F9/466
摘要： A method is described that involves providing a persisted quantity for a time series time interval to a first transaction, then, providing the same persisted quantity to a second transaction that operates in parallel with the first transaction. The second transaction is not permitted to change the persisted quantity. The method also involves replacing the persisted quantity with a second persisted quantity within the time series. The second persisted quantity is determined by the first transaction. The method also involves writing a persisted quantity change for the time series time interval. The persisted quantity change is determined by the second transaction.
摘要翻译：描述了一种方法，其涉及为第一事务提供时间序列时间间隔的持久数量，然后向与第一事务并行操作的第二事务提供相同的持久数量。第二个交易不允许更改持续的数量。该方法还包括在时间序列内用第二个持续量替换持续数量。第二个持续数量由第一个交易决定。该方法还涉及为时间序列时间间隔写入持久数量变化。持续的数量变化由第二次交易决定。

8. 发明授权

US09965504B2 Transient and persistent representation of a unified table metadata graph 有权
公开(公告)号：US09965504B2
公开(公告)日：2018-05-08
申请号：US14553215
申请日：2014-11-25
申请人： Ivan Schreter , David Wein , Thorsten Glebe
发明人： Ivan Schreter , David Wein , Thorsten Glebe
IPC分类号： G06F17/30
CPC分类号： G06F17/30339 , G06F17/30584
摘要： Loading of table metadata into memory of an in-memory database is initiated. The table metadata is persisted across pages in a page chain. Thereafter, a plurality of metadata objects are materialized into memory that each include an object handle pinning an underlying persisted page in the page chain. The objects are populated with data from the underlying persisted pages. Subsequently, for one to many object relationships, a vector of object handles is generated that comprises a plurality of transient handles that each point to a different instance of a respective transient object. Alternatively, for one to one object relationships or many to one object relationships, an object handle to point to a respective linked object is generated. Related apparatus, systems, techniques and articles are also described.

9. 发明授权

US08781918B2 Monitoring updates involving data structures accessed in parallel transactions 有权
标题翻译：监视涉及并行事务访问的数据结构的更新
公开(公告)号：US08781918B2
公开(公告)日：2014-07-15
申请号：US12332254
申请日：2008-12-10
申请人： Thorsten Glebe , Andrei Suvernev
发明人： Thorsten Glebe , Andrei Suvernev
IPC分类号： G06Q10/00
CPC分类号： G06F17/30336
摘要： The embodiments described herein provide techniques for monitoring updates involving data structures accessed in parallel transactions. In an example, objects may be stored in one of the data structures and such objects that may be accessed in multiple, parallel transactions. Counters are maintained in another data structure to track the stored objects. In an illustrative embodiment, this counter is based on a checksum that is derived from a sub key that uniquely identifies an object within a group of objects.
摘要翻译：这里描述的实施例提供了用于监视涉及在并行事务中访问的数据结构的更新的技术。在一个示例中，对象可以存储在可以在多个并行事务中访问的数据结构和这些对象之一中。计数器被维护在另一个数据结构中以跟踪存储的对象。在说明性实施例中，该计数器基于从唯一地标识对象组内的对象的子密钥导出的校验和。

10. 发明申请

US20140172794A1 Replication Mechanisms for Database Environments 有权
标题翻译：数据库环境的复制机制
公开(公告)号：US20140172794A1
公开(公告)日：2014-06-19
申请号：US13719737
申请日：2012-12-19
申请人： Christian BARTHOLOMÄ , Michael Mühle , Hans-Jörg Leu , Steffen Geissinger , Thorsten Glebe , Martin Heidel , Lars Fricke , Volker Diesel , Christian Bensberg
发明人： Christian BARTHOLOMÄ , Michael Mühle , Hans-Jörg Leu , Steffen Geissinger , Thorsten Glebe , Martin Heidel , Lars Fricke , Volker Diesel , Christian Bensberg
IPC分类号： G06F17/30
CPC分类号： G06F17/30575
摘要： Data replication in a database includes identifying a source database system. The source database includes a main index file and a delta log file. To create a replica, one or more symbolic links to the source database system are generated. The symbolic links identify a path to a physical location of the source database. A replica of the source database is generated based on the symbolic links. The replica includes a copy of the main index file and delta log file. Information associated with the replica and the symbolic links is stored in a recovery log. Replica are provided transparently to most database engine components by re-using partitioning infrastructure. Components “see” replica as tables with a single partition; that partition is a local replica.
摘要翻译：数据库中的数据复制包括识别源数据库系统。源数据库包括主索引文件和增量日志文件。要创建副本，将生成到源数据库系统的一个或多个符号链接。符号链接标识到源数据库的物理位置的路径。基于符号链接生成源数据库的副本。副本包括主索引文件和增量日志文件的副本。与副本和符号链接相关联的信息存储在恢复日志中。通过重新使用分区基础架构，对大多数数据库引擎组件透明地提供副本。组件“将”副本视为具有单个分区的表; 该分区是本地副本。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式