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PGLog

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Architect
Architect
Mar 7, 2016 · Backend Development

Understanding Ceph PGLog: Format, Storage Mechanism, and Recovery Process

This article explains Ceph's PGLog structure, how it is serialized into transactions and stored in journals and LevelDB, and how the log participates in the recovery of degraded or failed placement groups during the peering process.

CephLevelDBPGLog
0 likes · 15 min read
Understanding Ceph PGLog: Format, Storage Mechanism, and Recovery Process