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ZooKeeper Learning Roadmap

Distributed coordination — leader election, configuration, and ensemble operations.

Estimated time:2–3 weeks

1🌱

Phase 1 — Fundamentals

znodes & the hierarchical namespace

Sessions & ephemeral nodes

Watches for change notification

ZooKeeper CLI basics

2🔄

Leader election pattern

Distributed locks

Configuration management use cases

Service discovery pattern

3⚙️

Quorum & the ZAB protocol

Ensemble sizing (odd number of nodes)

Snapshots & transaction logs

4📈

important

Monitoring ensemble health

Disaster recovery from snapshots

Begin with interview questions to assess your current level.