Book Image

HBase Administration Cookbook

By : Yifeng Jiang
Book Image

HBase Administration Cookbook

By: Yifeng Jiang

Overview of this book

As an Open Source distributed big data store, HBase scales to billions of rows, with millions of columns and sits on top of the clusters of commodity machines. If you are looking for a way to store and access a huge amount of data in real-time, then look no further than HBase.HBase Administration Cookbook provides practical examples and simple step-by-step instructions for you to administrate HBase with ease. The recipes cover a wide range of processes for managing a fully distributed, highly available HBase cluster on the cloud. Working with such a huge amount of data means that an organized and manageable process is key and this book will help you to achieve that.The recipes in this practical cookbook start from setting up a fully distributed HBase cluster and moving data into it. You will learn how to use all of the tools for day-to-day administration tasks as well as for efficiently managing and monitoring the cluster to achieve the best performance possible. Understanding the relationship between Hadoop and HBase will allow you to get the best out of HBase so the book will show you how to set up Hadoop clusters, configure Hadoop to cooperate with HBase, and tune its performance.
Table of Contents (16 chapters)
HBase Administration Cookbook
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface

Troubleshooting tools


In order to troubleshoot an HBase cluster, besides a solid knowledge of the cluster you are operating, the tools you use are also important. We would like to recommend the following troubleshooting tools:

  • ps: This can be used to find the top process that used the most memory and CPU

  • ClusterSSH tool: This tool is used to control multiple SSH sessions simultaneously

  • jps: This tool shows the Java processes for the current user

  • jmap: This tool prints the Java heap summary

  • jstat: This is the Java Virtual Machine statistics monitoring tool

  • hbase hbck: This tool is used for checking and repairing region consistency and table integrity

  • hadoop fsck: This tool is used for checking HDFS consistency

We will describe sample usage of these tools, in this recipe.

Getting ready

Start your HBase cluster.

How to do it...

The following are the troubleshooting tools we will describe:

  • ps: This tool is used to find the top processes that occupied large amounts of memory. The following...