Cover; Copyright; Credits; About the Author; Acknowledgement; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1:Setting Up HBase Cluster; Introduction; Quick start; Getting ready on Amazon EC2; Setting up Hadoop; Setting up ZooKeeper; Changing the kernel settings; Setting up HBase; Basic Hadoop/ZooKeeper/HBase configurations; Setting up multiple High Availability (HA) masters; Chapter 2:Data Migration; Introduction; Importing data from MySQL via single client; Importing data from TSV files using the bulk load tool; Writing your own MapReduce job to import data
Precreating regions before moving data into HBaseChapter 3:Using Administration Tools; Introduction; HBase Master web UI; Using HBase Shell to manage tables; Using HBase Shell to access data in HBase; Using HBase Shell to manage the cluster; Executing Java methods from HBase Shell; Row counter; WAL tool-manually splitting and dumping WALs; HFile tool-viewing textualized HFile content; HBase hbck-checking the consistency of an HBase cluster; Hive on HBase-querying HBase using a SQL-like language; Chapter 4:Backing Up and Restoring HBase Data; Introduction; Full shutdown backup using distcp
Using CopyTable to copy data from one table to anotherExporting an HBase table to dump files on HDFS; Restoring HBase data by importing dump files from HDFS; Backing up NameNode metadata; Backing up region starting keys; Cluster replication; Chapter 5:Monitoring and Diagnosis; Introduction; Showing the disk utilization of HBase tables; Setting up Ganglia to monitor an HBase cluster; OpenTSDB-using HBase to monitor an HBase cluster; Setting up Nagios to monitor HBase processes; Using Nagios to check Hadoop/HBase logs; Simple scripts to report the status of the cluster
Hot region-write diagnosisChapter 6:Maintenance and Security; Introduction; Enabling HBase RPC DEBUG-level logging; Graceful node decommissioning; Adding nodes to the cluster; Rolling restart; Simple script for managing HBase processes; Simple script for making deployment easier; Kerberos authentication for Hadoop and HBase; Configuring HDFS security with Kerberos; HBase security configuration; Chapter 7:Troubleshooting; Introduction; Troubleshooting tools; Handling the XceiverCount error; Handling the ""too many open files"" error; Handling the ""unable to create new native thread"" error
Handling the ""HBase ignores HDFS client configuration"" issueHandling the ZooKeeper client connection error; Handling the ZooKeeper session expired error; Handling the HBase startup error on EC2; Chapter 8:Basic Performance Tuning; Introduction; Setting up Hadoop to spread disk I/O; Using network topology script to make Hadoop rack-aware; Mounting disks with noatime and nodiratime; Setting vm.swappiness to 0 to avoid swap; Java GC and HBase heap settings; Using compression; Managing compactions; Managing a region split; Chapter 9:Advanced Configurations and Tuning; Introduction
Summary
Master HBase configuration and administration for optimum database performance
