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Apache Kafka 1.0 Cookbook

You're reading from Apache Kafka 1.0 Cookbook

Product type Book

Published in Dec 2017

Publisher Packt

ISBN-13 9781787286849

Pages 250 pages

Edition 1st Edition

Languages

Concepts

Authors (2):

Alexey Zinoviev

Raúl Estrada

View More author details

Table of Contents (18) Chapters

Title Page

Credits

About the Author

About the Reviewers

www.PacktPub.com

Customer Feedback

Dedication

Preface

1. Configuring Kafka

2. Kafka Clusters

3. Message Validation

4. Message Enrichment

5. The Confluent Platform

6. Kafka Streams

7. Managing Kafka

8. Operating Kafka

9. Monitoring and Security

10. Third-Party Tool Integration

Using state change log merger

The StateChangeLogMerger tool merges the state change logs from different brokers for easy posterior analysis. It is a tool for merging the log files from several brokers to rebuild a unified history of what happened.

Getting ready

For this recipe, Kafka must be installed, ZooKeeper running, brokers running, and some topics created on it. The topics should have produced some messages. It is better if there are several days' worth of broker information.

How to do it...

From the Kafka installation directory, run this command:

$ bin/kafka-run-class.sh kafka.tools.StateChangeLogMerger --log-regex /tmp/state-change.log* --partitions 0,1,2 --topic source-topic

How it works...

The StateChangeLogMerger command takes the following parameters:

--end-time <String: end>: This specifies the latest timestamp of state change entries to be merged in java.text.SimpleDateFormat
--logs <String: file1, file2, ...>: This is used to specify a comma-separated list of state change...

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Authors (2)

Alexey Zinoviev

See other products by Alexey Zinoviev

Raúl Estrada

Raúl Estrada has been a programmer since 1996 and a Java developer since 2001. He loves all topics related to computer science. With more than 15 years of experience in high-availability and enterprise software, he has been designing and implementing architectures since 2003. His specialization is in systems integration, and he mainly participates in projects related to the financial sector. He has been an enterprise architect for BEA Systems and Oracle Inc., but he also enjoys web, mobile, and game programming. Raúl is a supporter of free software and enjoys experimenting with new technologies, frameworks, languages, and methods. Raúl is the author of other Packt Publishing titles, such as Fast Data Processing Systems with SMACK and Apache Kafka Cookbook.

See other products by Raúl Estrada

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