Efficient flash memory-based object store

US8621155B2 · kind B2 · utility

Assignee

• SanDisk Enterprise IP LLC · US

Inventors

• John Busch · Cupertino, US
• Darpan Dinker · Fremont, US
• Darryl Ouye · Capitola, US

Key dates

• Filing date: Jan 3, 2011
• Grant date: Dec 31, 2013
• Expiry date: Jul 14, 2031

Classification

• Technology area (CPC —): General

Abstract

Approaches for an object store implemented, at least in part, on one or more solid state devices. The object store may store objects on a plurality of solid state devices. The object store may include a transaction model means for ensuring that the object store performs transactions in compliance with atomicity, concurrency, isolation, and durability (ACID) properties. The object store may include means for providing parallel flushing in a write cache maintained on each of the solid state devices. The object store may include means for maintaining one or more double-write buffers, for the object store, at a location other than the solid state devices. The object store may optionally comprise means for maintaining one or more circular transaction logs, for the object store, at a location other than the solid state devices. The object store may operate to minimize write operations performed on the solid state devices.