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Apache Kafka 1.0 Cookbook

You're reading from Apache Kafka 1.0 Cookbook Over 100 practical recipes on using distributed enterprise messaging to handle real-time data

Product type Paperback

Published in Dec 2017

Publisher Packt

ISBN-13 9781787286849

Length 250 pages

Edition 1st Edition

Languages

Java

Tools

Kafka

Concepts

Data Analysis

Authors (2):

Raúl Estrada

Alexey Zinoviev

View More author details

Table of Contents (11) Chapters

Preface

1. Configuring Kafka FREE CHAPTER

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

Importing ZooKeeper offsets

Now we have a backup of the offsets contained in ZooKeeper at some point in time, one can restore them. This tool is handy for restoring the status of the offsets to the point when they were taken.

Getting ready

For this recipe, Kafka must be installed, ZooKeeper running, broker running, and some topics created on it. The topics should have produced some messages and have some consumers created. A file with the ZooKeeper offset previously exported is needed.

How to do it...

Let's assume that we have our offset status in the file, /temp/zkoffset.txt.

From the Kafka installation directory, run the following command:

$ bin/kafka-run-class.sh kafka.tools.ImportZkOffsets --inputfile /tmp/zkoffset.txt --zkconnect localhost:2181

How it works...

The preceding command takes the following arguments:

--zkconnect: This specifies the ZooKeeper connect string. It is a comma-separated list in the host:port format.
--input-file: This specifies the file to import ZooKeeper offsets from...

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Authors (2)

Zinoviev

Zinoviev

See other products by Zinoviev

Estrada

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 Estrada

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