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1. 发明授权

US10789149B2 Duplicate bug report detection using machine learning algorithms and automated feedback incorporation 有权
公开(公告)号：US10789149B2
公开(公告)日：2020-09-29
申请号：US16383405
申请日：2019-04-12
申请人： Oracle International Corporation
发明人： Prasad V. Bagal , Sameer Arun Joshi , Hanlin Daniel Chien , Ricardo Rey Diez , David Cavazos Woo , Emily Ronshien Su , Sha Chang
IPC分类号： G06F11/36
摘要： Duplicate bug report detection using machine learning algorithms and automated feedback incorporation is disclosed. For each set of bug reports, a user-classification of the set of bug reports as including duplicate bug reports or non-duplicate bug reports is identified. Also for each set of bug reports, correlation values corresponding to a respective feature, of a plurality of features, between bug reports in the set of bug reports is identified. Based on the user-classifications and the correlation values, a model is generated to identify any set of bug reports as including duplicate bug reports or non-duplicate bug reports. The model is applied to classify a particular bug report and a candidate bug report as duplicate bug reports or non-duplicate bug reports.

2. 发明申请

US20200012456A1 STALE BLOCK RESYNCHRONIZATION IN NVM BASED SYSTEMS 审中-公开
公开(公告)号：US20200012456A1
公开(公告)日：2020-01-09
申请号：US16026785
申请日：2018-07-03
申请人： Oracle International Corporation
发明人： Samarjeet Tomar , Prasad V. Bagal , Saurabh Manchanda , James Aubrey Williams
IPC分类号： G06F3/06 , G06F9/455
摘要： A shared storage architecture persistently stores database files in non-volatile memories (NVMs) of a plurality of computing nodes of a multi-node DBMS. The computing nodes of the multi-node DBMS store data blocks in NVM and each computing node of the DBMS stores copies of each data block stored on the plurality of computing nodes. A computing node that disconnects and subsequently rejoins the DBMS employs an on-demand approach to resilvering stale data blocks that have been updated in other computing nodes in the DBMS while the computing node was offline. A data block may be resilvered on-demand based on an I/O request for a specific data block from a workload running on the reconnected computing node. Stale data blocks on the reconnected computing node are not resilvered unless they are accessed by the workload.

3. 发明申请

US20140188819A1 COMPRESSION AND DEDUPLICATION LAYERED DRIVER 有权
标题翻译：压缩和分层式驱动器
公开(公告)号：US20140188819A1
公开(公告)日：2014-07-03
申请号：US13733029
申请日：2013-01-02
申请人： ORACLE INTERNATIONAL CORPORATION
发明人： Prasad V. Bagal , Samarjeet Tomar
IPC分类号： G06F17/30
CPC分类号： G06F17/30156 , G06F17/30144 , G06F17/30153 , G06F17/30233 , G06F17/30371
摘要： A method, apparatus, and system for interposed file system driver is provided, which provides a logical file system on top of an existing base file system. One such interposed file system driver is a compression and deduplication layered driver (“COLD driver”). File system operations are intercepted from the operating system through the COLD driver, which is provided as an upper-level operating system driver that operates on top of an existing base file system. By processing file data through various modules, the existing base file system can be extended as a logical file system with compression, deduplication, indexing, and other functionality. The COLD driver can be implemented without requiring modifications to existing base file system structures or base file system drivers. Server deployments may thus leverage the additional file system functionality provided by the COLD driver without having to migrate to another file system.
摘要翻译：提供一种用于插入文件系统驱动器的方法，装置和系统，其在现有基本文件系统之上提供逻辑文件系统。一个这样插入的文件系统驱动器是压缩和重复数据删除分层驱动程序（“COLD驱动程序”）。通过COLD驱动程序从操作系统中截取文件系统操作，该驱动程序作为在现有基本文件系统上运行的上级操作系统驱动程序提供。通过各种模块处理文件数据，可以将现有的基本文件系统作为具有压缩，重复数据删除，索引和其他功能的逻辑文件系统进行扩展。可以实现COLD驱动程序，而不需要修改现有的基本文件系统结构或基本文件系统驱动程序。因此，服务器部署可能会利用COLD驱动程序提供的附加文件系统功能，而无需迁移到另一个文件系统。

4. 发明授权

US11847034B2 Database-level automatic storage management 有权
公开(公告)号：US11847034B2
公开(公告)日：2023-12-19
申请号：US17236618
申请日：2021-04-21
申请人： Oracle International Corporation
发明人： Hanlin D. Chien , Prasad V. Bagal , Harish Nandyala , Ana L. Solis , Santhosh Selvaraj
IPC分类号： G06F16/13 , G06F16/16 , G06F16/182 , G06F16/27 , G06F16/21 , G06F16/22 , G06F16/185 , G06F11/20
CPC分类号： G06F11/2069 , G06F11/2058 , G06F16/13 , G06F16/164 , G06F16/182 , G06F16/185 , G06F16/21 , G06F16/22 , G06F16/2246 , G06F16/27
摘要： Techniques are describe herein for associating storage management properties with a group of files of a database referred to herein as a “file group”. In this system, storage management properties are defined at the database-level. Thus, multiple databases can be stored across a single disk group, gaining the benefits of having multiple block access devices working in parallel, but each respective database may be associated with a respective file group in a one-to-one relationship, so that each database can have different storage management properties.

5. 发明授权

US10884879B2 Method and system for computing a quorum for two node non-shared storage converged architecture 有权
公开(公告)号：US10884879B2
公开(公告)日：2021-01-05
申请号：US16164679
申请日：2018-10-18
申请人： ORACLE INTERNATIONAL CORPORATION
发明人： Santhosh Selvaraj , Prasad V. Bagal , Kanchan Ramesh Matkar , Sanuj Basu
IPC分类号： G06F11/00 , G06F11/18 , G06F11/20 , G06F3/06
摘要： Described is an approach for computing a quorum for a two-node non-shared storage converged architecture via a distributed state machine without the need for a quorum device.

6. 发明授权

US10769022B2 Database backup from standby DB 有权
公开(公告)号：US10769022B2
公开(公告)日：2020-09-08
申请号：US16164665
申请日：2018-10-18
申请人： ORACLE INTERNATIONAL CORPORATION
发明人： Tao Mao , Yanfei Fan , Wanding Li , Prasad V. Bagal
IPC分类号： G06F12/00 , G06F11/14 , G06F16/27
摘要： Disclosed is an improved system, method, and computer program product for generating backups in a database system. This is accomplished by using a disaster recovery infrastructure of a database system to generate the database backup, where the backup activities are performed on a standby database system, thereby freeing up the primary database system. To avoid authorization/authentication requirements between the primary and standby that may require human intervention to type passwords when backups are performed on the standby, a backup solution is provided that does not require human intervention to enter passwords when automating the backup process.

7. 发明授权

US10379999B2 Duplicate bug report detection using machine learning algorithms and automated feedback incorporation 有权
公开(公告)号：US10379999B2
公开(公告)日：2019-08-13
申请号：US14992831
申请日：2016-01-11
申请人： Oracle International Corporation
发明人： Prasad V. Bagal , Sameer Arun Joshi , Hanlin Daniel Chien , Ricardo Rey Diez , David Cavazos Woo , Emily Ronshien Su , Sha Chang
IPC分类号： G06F11/07 , G06F11/36
摘要： Duplicate bug report detection using machine learning algorithms and automated feedback incorporation is disclosed. For each set of bug reports, a user-classification of the set of bug reports as including duplicate bug reports or non-duplicate bug reports is identified. Also for each set of bug reports, correlation values corresponding to a respective feature, of a plurality of features, between bug reports in the set of bug reports is identified. Based on the user-classifications and the correlation values, a model is generated to identify any set of bug reports as including duplicate bug reports or non-duplicate bug reports. The model is applied to classify a particular bug report and a candidate bug report as duplicate bug reports or non-duplicate bug reports.

8. 发明授权

US11755481B2 Universal cache management system 有权
公开(公告)号：US11755481B2
公开(公告)日：2023-09-12
申请号：US16153610
申请日：2018-10-05
申请人： Oracle International Corporation
发明人： Prasad V. Bagal , Rich Long
IPC分类号： G06F12/0811 , G06F16/2455 , G06F12/084 , G06F12/0897
CPC分类号： G06F12/0811 , G06F12/084 , G06F12/0897 , G06F16/24552 , G06F2212/22
摘要： Techniques for universal cache management are described. In an example embodiment, a plurality of caches are allocated, in volatile memory of a computing device, to a plurality of data-processing instances, where each one of the plurality of caches is exclusively allocated to a separate one of the plurality of data-processing instances. A common cache is allocated in the volatile memory of the computing device, where the common cache is shared by the plurality of data-processing instances. Each instance of the plurality of data-processing instances is configured to: identify a data block in the particular cache allocated to that instance, where the data block has not been changed since the data block was last persistently written to one or more storage devices; cause the data block to be stored in the common cache; and remove the data block from the particular cache. Data blocks in the common cache are maintained without being persistently written to the one or more storage devices.

9. 发明授权

US11669318B2 Rapid software provisioning and patching 有权
公开(公告)号：US11669318B2
公开(公告)日：2023-06-06
申请号：US17334658
申请日：2021-05-28
申请人： Oracle International Corporation
发明人： Amit Roy , Samarjeet Tomar , Prasad V. Bagal
IPC分类号： G06F8/61 , G06F8/65 , H04L67/00
CPC分类号： G06F8/63 , G06F8/65 , H04L67/34
摘要： Disclosed is an approach to implement an architecture and methodology that allows rapid access to provisioned software without requiring the entirety of the software distribution to be transferred to the target system in an upfront manner. Instead, a multi-tier architecture is used that allows the software to be provisioned and accessed with efficient access and reads of distribution materials from one or more remote storage locations.

10. 发明授权

US11016865B2 Database-level automatic storage management 有权
公开(公告)号：US11016865B2
公开(公告)日：2021-05-25
申请号：US15295983
申请日：2016-10-17
申请人： Oracle International Corporation
发明人： Hanlin D. Chien , Prasad V. Bagal , Harish Nandyala , Ana L. Solis , Santhosh Selvaraj
IPC分类号： G06F16/13 , G06F16/16 , G06F16/182 , G06F16/27 , G06F16/21 , G06F16/22 , G06F16/185 , G06F11/20
摘要： Techniques are describe herein for associating storage management properties with a group of files of a database referred to herein as a “file group”. In this system, storage management properties are defined at the database-level. Thus, multiple databases can be stored across a single disk group, gaining the benefits of having multiple block access devices working in parallel, but each respective database may be associated with a respective file group in a one-to-one relationship, so that each database can have different storage management properties.

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