Distributed metadata servers for cluster file systems using shared low latency persistent key-value metadata store
US9852146B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 20, 2015 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Mar 20, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/183
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A cluster file system is provided having a plurality of distributed metadata servers with shared access to one or more shared low latency persistent key-value metadata stores. A metadata server comprises an abstract storage interface comprising a software interface module that communicates with at least one shared persistent key-value metadata store providing a key-value interface for persistent storage of key-value metadata. The software interface module provides the key-value metadata to the at least one shared persistent key-value metadata store in a key-value format. The shared persistent key-value metadata store is accessed by a plurality of metadata servers. A metadata request can be processed by a given metadata server independently of other metadata servers in the cluster file system. A distributed metadata storage environment is also disclosed that comprises a plurality of metadata servers having an abstract storage interface to at least one shared persistent key-value metadata store.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.