Ceph and Flash

Explore the evolution and best practices of deploying flash storage with Ceph, the leading open-source storage management platform for private cloud and large-scale clustered systems. Delve into the history and current industry standards, examining how traditional approaches must be reconsidered to maximize the value and cost-effectiveness of flash storage. Learn about future developments in the Ceph platform and their potential impact on flash deployments. Gain insights from Allen Samuels, Engineering Fellow at Western Digital, as he shares his expertise on topics including the Ceph system model, terminology, OSD internals, journal optimization, FileStore limitations, and the innovative BlueStore architecture. Discover the advantages of BlueStore over FileStore, various key-value store options, and performance comparisons between ZetaScale and RocksDB in this comprehensive 43-minute conference talk presented by the Linux Foundation.

Intro
Conceptual Ceph System Model
Terminology
Inside the OSD
Ceph Journal on Flash
What's wrong with FileStore?
BlueStore a rethink of ObjectStore
BlueStore Architecture
Two Write Path Options
Basic Write pipeline
BlueStore vs FileStore
KV Store Options
BlueStore ZetaScale v RocksDB Performance