Copyright © 2014 Apache Software Foundation. All Rights Reserved. Apache Hadoop, Hadoop, MapReduce, HDFS, Zookeeper, HBase, and the HBase project logo are trademarks of the Apache Software Foundation.
| Revision History | |
|---|---|
| Revision 0.98.7-hadoop1 | 2014-10-08T15:20 |
Abstract
This is the official reference guide of Apache HBase™, a distributed, versioned, big data store built on top of Apache Hadoop™ and Apache ZooKeeper™.
Table of Contents
- Preface
- 1. Getting Started
- 2. Apache HBase Configuration
- 3. Upgrading
- 4. The Apache HBase Shell
- 5. Data Model
- 6. HBase and Schema Design
- 6.1. Schema Creation
- 6.2. On the number of column families
- 6.3. Rowkey Design
- 6.4. Number of Versions
- 6.5. Supported Datatypes
- 6.6. Joins
- 6.7. Time To Live (TTL)
- 6.8. Keeping Deleted Cells
- 6.9. Secondary Indexes and Alternate Query Paths
- 6.10. Constraints
- 6.11. Schema Design Case Studies
- 6.12. Operational and Performance Configuration Options
- 7. HBase and MapReduce
- 7.1. HBase, MapReduce, and the CLASSPATH
- 7.2. MapReduce Scan Caching
- 7.3. Bundled HBase MapReduce Jobs
- 7.4. HBase as a MapReduce Job Data Source and Data Sink
- 7.5. Writing HFiles Directly During Bulk Import
- 7.6. RowCounter Example
- 7.7. Map-Task Splitting
- 7.8. HBase MapReduce Examples
- 7.9. Accessing Other HBase Tables in a MapReduce Job
- 7.10. Speculative Execution
- 8. Secure Apache HBase
- 9. Architecture
- 10. Apache HBase APIs
- 11. Apache HBase External APIs
- 12. Thrift API and Filter Language
- 13. Apache HBase Coprocessors
- 14. Apache HBase Performance Tuning
- 15. Troubleshooting and Debugging Apache HBase
- 15.1. General Guidelines
- 15.2. Logs
- 15.3. Resources
- 15.4. Tools
- 15.5. Client
- 15.6. MapReduce
- 15.7. NameNode
- 15.8. Network
- 15.9. RegionServer
- 15.10. Master
- 15.11. ZooKeeper
- 15.12. Amazon EC2
- 15.13. HBase and Hadoop version issues
- 15.14. IPC Configuration Conflicts with Hadoop
- 15.15. HBase and HDFS
- 15.16. Running unit or integration tests
- 15.17. Case Studies
- 15.18. Cryptographic Features
- 15.19. Operating System Specific Issues
- 15.20. JDK Issues
- 16. Apache HBase Case Studies
- 17. Apache HBase Operational Management
- 18. Building and Developing Apache HBase
- 19. Unit Testing HBase Applications
- 20. ZooKeeper
- 21. Community
- A. Contributing to Documentation
- A.1. Getting Access to the Wiki
- A.2. Contributing to Documentation or Other Strings
- A.3. Editing the HBase Website
- A.4. Editing the HBase Reference Guide
- A.5. Auto-Generated Content
- A.6. Multi-Page and Single-Page Output
- A.7. Images in the HBase Reference Guide
- A.8. Adding a New Chapter to the HBase Reference Guide
- A.9. Docbook Common Issues
- B. FAQ
- C. hbck In Depth
- D. Access Control Matrix
- E. Compression and Data Block Encoding In HBase
- F. SQL over HBase
- G. YCSB: The Yahoo! Cloud Serving Benchmark and HBase
- H. HFile format
- I. Other Information About HBase
- J. HBase History
- K. HBase and the Apache Software Foundation
- L. Apache HBase Orca
- M. Enabling Dapper-like Tracing in HBase
- N. 0.95 RPC Specification
- Index
List of Figures
- 9.1. Region State Transitions
- 9.2. HFile Version 1
- 13.1. Coprocessor Metrics UI
- 17.1. Basic Info
- 17.2. Config
- 17.3. Stats
- 17.4. L1 and L2
- 17.5. Replication Architecture Overview
- E.1. ColumnFamily with No Encoding
- E.2. ColumnFamily with Prefix Encoding
- E.3. ColumnFamily with Diff Encoding
- H.1. HFile V1 Format
List of Tables
List of Examples
- 1.1. Example /etc/hosts File for Ubuntu
- 1.2. Example
hbase-site.xmlfor Standalone HBase - 1.3.
node-ajps Output - 1.4.
node-bjps Output - 1.5.
node-cjps Output - 2.1. Calculate the Potential Number of Open Files
- 2.2. Example Distributed HBase Cluster
- 4.1. Passing Commands to the HBase Shell
- 4.2. Checking the Result of a Scripted Command
- 4.3. Example Command File
- 4.4. Directing HBase Shell to Execute the Commands
- 5.1. Examples
- 5.2. Examples
- 5.3. Modify the Maximum Number of Versions for a Column
- 5.4. Modify the Minimum Number of Versions for a Column
- 6.1. Salting Example
- 6.2. Hashing Example
- 6.3. Change the Value of
KEEP_DELETED_CELLSUsing HBase Shell - 6.4. Change the Value of
KEEP_DELETED_CELLSUsing the API - 8.1. HBase Shell
- 8.2. API
- 8.3. Revoking Access To a Table
- 8.4. HBase Shell
- 8.5. API
- 8.6. HBase Shell
- 8.7. Java API
- 8.8. HBase Shell
- 8.9. Java API
- 8.10. HBase Shell
- 8.11. Java API
- 8.12. HBase Shell
- 8.13. Java API
- 8.14. HBase Shell
- 8.15. Java API
- 8.16. Example Security Settings in
hbase-site.xml - 8.17. Example Group Mapper in Hadoop
core-site.xml - 9.1. Pre-Creating a
HConnection - 10.1. Create a Table Using Java
- 10.2. Add, Modify, and Delete a Table
- 12.1. Compound Operators
- 12.2. Precedence Example
- 12.3. Example 1
- 12.4. Example 2
- 12.5. Example 3
- 12.6. Example 4
- 13.1. Example RegionObserver Configuration
- 13.2. Load a Coprocessor On a Table Using HBase Shell
- 13.3. Unload a Coprocessor From a Table Using HBase Shell
- 14.1. Enable Prefetch Using HBase Shell
- 14.2. Enable Prefetch Using the API
- 17.1.
rolling-restart.shGeneral Usage - 18.1. Code Blocks in Jira Comments
- 18.2. Example
~/.m2/settings.xmlFile - B.1. Maven Dependency for HBase 0.98
- B.2. Maven Dependency for HBase 0.96
- B.3. Maven Dependency for HBase 0.94
- E.1. Enabling Compression on a ColumnFamily of an Existing Table using HBase Shell
- E.2. Creating a New Table with Compression On a ColumnFamily
- E.3. Verifying a ColumnFamily's Compression Settings
- E.4. LoadTestTool Usage
- E.5. Example Usage of LoadTestTool
- E.6. Enable Data Block Encoding On a Table
- E.7. Verifying a ColumnFamily's Data Block Encoding