Efficient distributed lock manager
US9400829B2 · kind B2 · utility
3Cited by
19References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2014 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Oct 31, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2343
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system for managing a cluster of databases that process shared data, the system including a cluster of database nodes, each node including a memory, and a processor configured to, when it is determined that: (i) a lock on a resource is required by a particular node or process, and (ii) no other lock conflicts with this particular lock, send an asynchronous lock taken (ALT) message to a distributed lock manager (DLM); and without receiving a response or permission from the DLM, taking the lock for a resource for the particular node or process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.