Apache BookKeeper

BookKeeper is a replicated log service which can be used to build replicated state machines. A log contains a sequence of records which can be applied to a state machine. BookKeeper guarantees that each replica state machine will see all the same entries, in the same order.

Project Page

• BookKeeper Project Home
• BookKeeper Mailing Lists

General information

• BookKeeper papers and presentations
• BookKeeper applications and usage
• BookKeeper roadmap
• HDFS BookKeeper Journal Manager

Reference Guide

(WIP)

• Getting Started
  • BookKeeper Tutorial
  • Local Model
• Concepts & Data Model (How to turning ledgers into logs)
• Developer Manual
  • API, Practices (Enrico Olivelli)
• Architecture
  • Bookie Storage Engine
    • Journal
    • Ledger Storage
    • Index
    • Garbage Collection
    • Compaction
  • Client Request Flow
  • Replication & Consistency
    • Fencing
    • LAC Protocol
  • Tail latency
    • Ack quorum and Ensemble change
    • Speculative reads
    • Long poll reads
  • Auto Recovery
• Deployment & Admin
  • Configuration
  • Metric Collection & Monitoring
  • Performance Tuning
  • Admin Tools
• Performance & Benchmark

Developers

• Developer Setup
• Contributing to BookKeeper
• Coding Guide

Committers

• Patch Submission
• Build website and documentation
• Release Process