Practice Zookeeper Data Model (4.3) - Leader Election in Cloud, Distributed Systems and Industry Systems
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ZooKeeper Data Model

Practice - ZooKeeper Data Model

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a Znode in ZooKeeper?

💡 Hint: Think of it like a folder in a file system.

Question 2 Easy

What happens to a persistent Znode?

💡 Hint: How is it different from ephemeral Znodes?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main purpose of a Znode?

Store data
Execute functions
Manage processes

💡 Hint: Think about the functionality of ZooKeeper.

Question 2

True or False: Ephemeral Znodes remain in ZooKeeper even if the creating client disconnects.

True
False

💡 Hint: Recall the definition of ephemeral Znodes.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Discuss how transitioning from using ephemeral to persistent Znodes could affect a leader election system. What are potential benefits and drawbacks?

💡 Hint: Consider what happens when a leader is expected to be removed vs. when it is allowed to stay.

Challenge 2 Hard

Design a simple ZooKeeper client application architecture that demonstrates leader election using ephemeral sequential Znodes.

💡 Hint: Remember to emphasize communications between instances, including watching mechanisms.

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Reference links

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