Apache Kafka Series - Confluent Schema Registry & REST Proxy

Stephane Maarek | AWS Certified Cloud Practitioner,Solutions Architect,Developer and Conduktor Kafkademy

The new volume in the Apache Kafka Series.

Learn Apache Avro, the Confluent Schema Registry for Apache Kafka and the Confluent REST Proxy for Apache Kafka. Join hundreds of knowledge savvy students into learning some of the most important components in a typical Apache Kafka stack.

Take a look at these student reviews...

5 stars - "Excellent course. A must for Apache Kafka users." – Mayank

5 stars -"Beautiful explanation of Avro and how to use it with Apache Kafka. This knowledge enhancing like all your other courses. We have Apache Kafka from Confluent in our enterprise and this is what I was exactly looking for. Thanks a lot." – Vinod

5 stars - "Stephane Maarek is truly remarkable instructor. His instructional videos do not disappoint, they keep me wanting more and provide exactly the Kafka skills needed to be successful." – Troy

Apache Avro is one of the most powerful and most popular fast data serialisation mechanism with Apache Kafka

> Schema is a first class citizen of the data> Data serialisation format that is lightweight> Documentation is embedded in the schema> Easy to read and write using many languages> Fast & Big data de-facto data serialisation format

Confluent Schema Registry for Apache Kafka is the de-facto standard way of storing Avro Schemas for your Apache Kafka Topics.

> Stores a versioned history of all your schemas in Apache Kafka> Supports and enforces conditions for schema evolution (backward, forward, full compatibility)> Kafka Avro Serialiser and Deserialiser automatically integrate with Apache Kafka and Confluent Schema Registry> Make your messages much smaller and lighter. Perfect for increasing Apache Kafka throughput and performance

Confluent REST Proxy is the perfect way to communicate for sending Avro data using non Java languages to Apache Kafka.

> Write and Read binary, JSON and Avro data to Apache Kafka using an HTTP REST API> Interact with Apache Kafka using any programming language (not just Java)> Consult topic list and topic metadata in Apache Kafka

Hands On & Theory Based Course

Note: This course is comprehensive, and the Apache Kafka related bits do not start before the Kafka Schema Registry section. This is to ensure Avro Schema and Avro in Java is fully understood before moving to the Confluent Schema Registry for Apache Kafka.

This course is the first and only available Kafka Schema Registry and Kafka REST Proxy course on the web. Get it now to become an Apache Kafka expert.

Instructor

My name is Stephane Maarek, and I'll be your instructor in this course. I teach about Apache Kafka, the Kafka ecosystem and Kafka Certifications with my focus always on helping my students improve their professional proficiencies. I am also the co-founder of Conduktor: an enterprise Apache Kafka platform & UI to help everyone use Kafka.

Throughout my career in designing and delivering these certifications and courses, I have already taught

With Apache Kafka becoming much more than a buzzword out there, I've decided it's time for students to properly learn how to be a Kafka professional. So, let’s kick start the course. You are in good hands.

This Course Also Comes With:

Lifetime Access to All Future Updates
A responsive instructor in the Q&A Section
Links to interesting articles, and lots of good code to base your next applications onto
Udemy Certificate of Completion Ready for Download

This is the course that could improve your career.

Apache Kafka is a skill in high demand and there are not enough people to fulfill all the open positions. You can boost your income, take on new roles and fun challenges. Many of my students are now the Kafka experts of their companies. You can be the next.

I hope to see you inside the course.

Note: Looking for more advanced Kafka concepts? There are many volumes in the Apache Kafka Series:

Learn Kafka for Beginners v2 (great to start)
Kafka Connect Hands On Learning
Kafka Streams for Data Processing
KSQL on ksqlDB - Hands On.
Kafka Cluster Setup & Administration
Confluent Schema Registry & Kafka REST Proxy
Kafka Security (

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What's inside

Learning objectives

Write simple and complex avro schemas
Create, write and read avro objects in java
Write a java producer and consumer leveraging avro data and the schema registry

Learn about schema evolution
Perform schema evolution using the command line and in java
Utilize the rest proxy using a rest client

Write simple and complex avro schemas
Create, write and read avro objects in java
Write a java producer and consumer leveraging avro data and the schema registry
Learn about schema evolution
Perform schema evolution using the command line and in java
Utilize the rest proxy using a rest client

Syllabus

Let's learn why we need Schema, and what the target architecture will look like.

Short introduction that describes the need of a Schema Registry in Kafka

Learn about the course objectives and how the course is structure

Learn about Stephane Maarek, your instructor for this course

Visit the target architecture with Apache Kafka, the Confluent Schema Registry and the REST Proxy

Code Download

Download all the code and tools for the course

Master how to write simple and complex Avro Schemas, as well as Schema Evolution rules and guidelines.

Learn what Apache Avro is and how it came to be

Learn the Apache Avro primitive types

Learn how to define a Record Apache Avro Schema

Learn what are the Complex types for Apache Avro

Practice your newly acquired skills by creating a Customer and CustomerAddress Schema

Learn what are the possible Apache Avro logical types

Learn how to handle decimal numbers in Avro

Links to various Avro Schemas you can find on the web

Avro Schemas Quiz

Summary of all the things we have learned so far

Learn how to create Avro records using GenericRecord, SpecificRecord, and ReflectedRecord. Also perform your first schema evolution in Java.

Understand what we're trying to achieve with Avro in Java

Learn how to create a GenericRecord in Avro

Learn how to create a SpecificRecord in Avro

Check point to understand where we are now vs later when using Kafka

Hands-On practice with the Avro tools

Learn how to generate an Avro schema using Avro Reflection

Learn the theory behind schema evolution

Get Hands-On with Schema Evolution in Java

Avro in Java Quiz

Section summary to understand how we used Java and Apache Avro library to build Avro objects.

Install Docker and use Docker Compose to start your Kafka Cluster that will contain the Schema Registry and the REST Proxy.

Important information regarding the installation process

Install Docker for Mac if you have a recent Mac machine

Install Docker Toolbox on Mac if you have an older machine

Install Docker on Linux

Install Docker on recent Windows 10 64bit

Install Docker Toolbox on other Windows version

Increase the RAM for Docker

Frequently asked and common issues for Docker and Kafka Setup

Start our Kafka Cluster using Docker Compose

Learn what is the Schema Registry, how it works. Learn to use the Kafka Avro Console Producer & Consumer, and write your first Avro Java Producer and Avro Java Consumer

Introduction to the Confluent Schema Registry

Learn how to use the Kafka Avro Console Producer and Consumer

Learn how to use Java to write your first Avro Producer

Learn how to write an Avro consumer using Java

Re-visit what Schema Evolution is before we perform it in Java

Writing a V2 Java Kafka Avro Producer with schema evolution!

Writing a V2 Java Kafka Avro Consumer with schema evolution!

Summary for Compatibility Changes

Deep Dive to understand how the Schema Registry works behind the scenes

Learn how to efficiently manage schemas by having separate repositories for them

Confluent Schema Registry and Kafka Quiz

Learn how to use the REST Proxy with a REST Client (Insomnia). Understand how to read topic metadata, produce and consume binary, JSON and Avro data

Introduction to understand what is the REST Proxy and what is its purpose

Understand the difference of the v1 vs the v2 API for the Confluent REST Proxy

Setup Insomnia on your Machine to have a REST Client

Understand how to list topics or view a specific topic's detail using the REST Proxy

Produce Binary data that's base64 encoded using the REST Proxy

Consume Binary data that's base64 decoded using the REST Proxy

Learn how to use the Confluent REST Proxy to produce data in JSON

Learn how to use the Confluent REST Proxy to consume data in JSON

Learn how to use the Confluent REST Proxy to produce data in Avro

Learn how to use the Confluent REST Proxy to consume data in Avro

Confluent REST Proxy Quiz

Lectures that can help you grow

What are Annexes?

End to End example for Avro, using Producer, Kafka Connect and Kafka Streams

Learn how to find documentation for the REST Proxy and how to Scale it in Production

Next Steps

Pointers for the next steps in your Kafka learning

THANK YOU!

Special coupons for my other Kafka Courses

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Develops in-demand Apache Kafka skills for career advancement

Taught by a recognized expert in Apache Kafka and the Kafka ecosystem

Provides a comprehensive study of Apache Avro, Confluent Schema Registry, and Confluent REST Proxy

Hands-on labs and interactive materials strengthen learning

Builds a solid foundation for beginners in Apache Kafka

May require additional setup and software, which could be a barrier for some students

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Apache Kafka Series - Confluent Schema Registry & REST Proxy with these activities:

Organize your course materials

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Improve engagement and retention by organizing your notes, assignments, and other course materials in a logical and accessible manner.

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Gather all course materials
Create folders and subfolders to categorize materials
Use a note-taking app or notebook to organize notes
Archive assignments and quizzes for future reference

Compile a list of Kafka resources

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Consolidate valuable Kafka resources, such as articles, tutorials, and tools, for easy reference.

Browse courses on Apache Kafka

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Search for high-quality Kafka resources
Organize resources into categories
Create a document or spreadsheet to store the compilation
Share the compilation with other learners

Practice writing Avro Schemas

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Apache Avro is a crucial component of Kafka. Practice writing schemas to improve your understanding and proficiency.

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Review the Avro Schema syntax and primitive types
Create a simple Avro Schema for a customer record
Define a complex Avro Schema with nested records and arrays
Handle decimal numbers using Avro logical types
Generate an Avro schema using Avro Reflection

Five other activities

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Experiment with the Avro tools

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The Avro tools provide powerful command-line utilities. Practice using them to validate and manage schemas.

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Install the Avro tools
Use avsc to validate Avro Schemas
Use avro-tools to generate Java classes from Avro Schemas
Utilize the Schema Registry API to manage schemas

Explore the REST Proxy documentation

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The REST Proxy is a valuable tool for interacting with Kafka using non-Java languages. Explore the documentation to enhance your understanding.

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Visit the Confluent REST Proxy documentation website
Review the tutorials and examples for using the REST API
Understand the different endpoints and request formats
Identify how to perform common operations like producing and consuming data

Attend a Kafka Meetup

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Connect with fellow Kafka enthusiasts and professionals to share experiences and learn about the latest developments.

Browse courses on Apache Kafka

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Find a local Kafka Meetup group
Attend a Meetup event
Engage in discussions and ask questions
Network with other attendees

Build a small-scale Kafka application

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Apply your knowledge by building a practical Kafka application that addresses a specific use case.

Browse courses on Apache Kafka

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Define the scope and requirements of the application
Design the Kafka architecture for the application
Implement the Kafka producer and consumer components
Test and deploy the application

Contribute to the Kafka ecosystem

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Deepen your understanding of Kafka by contributing to open-source projects related to the ecosystem.

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Identify an open-source project related to Kafka
Review the project's documentation and codebase
Identify an area where you can contribute
Submit a pull request with your contribution

Career center

Learners who complete Apache Kafka Series - Confluent Schema Registry & REST Proxy will develop knowledge and skills that may be useful to these careers: