The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2020
Filed:
Sep. 29, 2017
Oracle International Corporation, Redwood Shores, CA (US);
Nilesh Choudhury, Foster City, CA (US);
Kothanda Umamageswaran, Sunnyvale, CA (US);
Krishnan Meiyyappan, Fremont, CA (US);
Jia Shi, Burlingame, CA (US);
Vijay Sridharan, Santa Clara, CA (US);
Zuoyu Tao, Belmont, CA (US);
Kai Zhang, Hayward, CA (US);
Semen Ustimenko, Sunnyvale, CA (US);
Salini Selvaraj Kowsalya, Oakland, CA (US);
Somayeh Sardashti, Palo Alto, CA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
A shared storage architecture persistently stores database files in non-volatile random access memories (NVRAMs) of computing nodes of a multi-node DBMS. The computing nodes of the multi-node DBMS not only collectively store database data on NVRAMs of the computing nodes, but also host database server instances that process queries in parallel, host database sessions and database processes, and together manage access to a database stored on the NVRAMs of the computing nodes. To perform a data block read operation from persistent storage, a data block may be transferred directly over a network between NVRAM of a computing node that persistently stores the data block to a database buffer in non-volatile RAM of another computing node that requests the data block. The transfer is accomplished using remote direct memory access ('RDMA).