Learning ZooKeeper with Curator: Comprehensive Examples and Recipes

This article provides a comprehensive set of examples demonstrating how to use Apache ZooKeeper through the Curator framework, covering core recipes such as leader election, distributed locks, barriers, counters, caches, queues, and transaction handling. Each section is independent, allowing readers to select topics of interest, and all source code can be downloaded from GitHub.

Leader Election

Leader Latch

Leader Election

Distributed Locks

Reentrant Lock (Shared Reentrant Lock)

Non‑Reentrant Lock (Shared Lock)

Reentrant Read‑Write Lock (Shared Reentrant Read Write Lock)

Semaphore (Shared Semaphore)

Multi‑Lock Object (Multi Shared Lock)

Barriers

Barrier

Double Barrier

Counters

Shared Counter

Distributed Atomic Long

Caches

Path Cache

Node Cache

Tree Cache

Ephemeral Nodes

Queues

Distributed Queue

Distributed Id Queue

Distributed Priority Queue

Distributed Delay Queue

Simple Distributed Queue

Curator Framework Applications

Framework Introduction

Operational Methods

Transactions

Curator Extension Libraries

(Click the original article to open links to each chapter.)