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You're reading from  HBase Administration Cookbook

Product typeBook
Published inAug 2012
PublisherPackt
ISBN-139781849517140
Edition1st Edition
Tools
HadoopHBase
Concepts
Database Administration
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Author (1)
Yifeng Jiang
Yifeng Jiang
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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
Read more about Yifeng Jiang

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Simple scripts to report the status of the cluster

Besides the health of the HBase-related daemons and their logs, what you might want to monitor is the overview of the current status of the cluster. This status basically includes:

  • The HBase hbck result showing whether the HBase tables are consistent

  • The Hadoop fsck result showing whether HDFS is healthy

  • The remaining HDFS space

In this recipe, we will create a check_hbase Nagios plugin to perform the task of monitoring. We will install our check_hbase plugin on the master node of the cluster, and remotely execute it with Nagios from the monitor server using the NRPE Nagios plugin.

Getting ready

We assume that you have installed and configured the Nagios NRPE plugin on your monitor and master server. If you have not installed it yet, refer to the previous recipe for detailed installation instructions.

How to do it...

The following are instructions to get the status of the HBase cluster and monitor it by Nagios:

  1. 1. Create a check_hbase script...

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HBase Administration Cookbook
Published in: Aug 2012Publisher: PacktISBN-13: 9781849517140
© 2012 Packt Publishing Limited All Rights Reserved

Author (1)

author image
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
Read more about Yifeng Jiang

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