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HBase Administration Cookbook

You're reading from HBase Administration Cookbook

Product type Book

Published in Aug 2012

Publisher Packt

ISBN-13 9781849517140

Pages 332 pages

Edition 1st Edition

Languages

Concepts

Database Administration

Author (1):

Yifeng Jiang

Table of Contents (16) Chapters

HBase Administration Cookbook

Credits

About the Author

Acknowledgement

About the Reviewers

1. www.PacktPub.com

2. Preface

1. Setting Up HBase Cluster

2. Data Migration

3. Using Administration Tools

4. Backing Up and Restoring HBase Data

5. Monitoring and Diagnosis

6. Maintenance and Security

7. Troubleshooting

8. Basic Performance Tuning

9. Advanced Configurations and Tuning

Handling the HBase startup error on EC2

In this recipe, we will describe how to troubleshoot the HBase startup error shown in the following Master logs:

2011-12-10 14:04:57,422 ERROR org.apache.hadoop.hbase.HServerAddress: Could not resolve the DNS name of ip-10-166-219-206.us-west-1.compute.internal
2011-12-10 14:04:57,423 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown.
java.lang.IllegalArgumentException: hostname can't be null
at java.net.InetSocketAddress.<init>(InetSocketAddress.java:121)
at org.apache.hadoop.hbase.HServerAddress.getResolvedAddress(HServerAddress.java:108)
at org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:64)

This error usually happens after stopping and restarting EC2 instances. The reason is that HBase stores region locations in its "system" -ROOT- and .META. tables. The location information contains the internal EC2 DNS name in it. Stopping an EC2 instance will change this DNS name. Due to the...

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Authors (1)

Yifeng Jiang

Yifeng Jiang is a Hadoop and HBase Administrator and Developer at Rakutenthe largest e-commerce company in Japan. After graduating from the University of Science and Technology of China with a B.S. in Information Management Systems, he started his career as a professional software engineer, focusing on Java development. In 2008, he started looking over the Hadoop project. In 2009, he led the development of his previous company's display advertisement data infrastructure using Hadoop and Hive. In 2010, he joined his current employer, where he designed and implemented the Hadoop- and HBase-based, large-scale item ranking system. He is also one of the members of the Hadoop team in the company, which operates several Hadoop/HBase clusters

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