HBase: Bigtable-like structured storage for Hadoop HDFS

Just as Google's Bigtable leverages the distributed data storage provided by the Google File System, HBase provides Bigtable-like capabilities on top of Hadoop Core.

General Information

• Info on HBase versions currently available -- e.g. 0.90.0 vs. 0.89.x vs. 0.20.x

• Apache HBase Reference Guide

  • HBase Architecture

  • HBase Data Model

  • HBase Schema Design

  • HBase and MapReduce

  • HBase Configuration

  • HBase Performance

  • HBase Troubleshooting

  • HBase Operational Management

  • See also this description of the HBase Storage Architecture by Lars George

• HBase mailing-lists

• HBase IRC Channel - #hbase on irc.freenode.net

• FAQ

• Presentations, articles

• PoweredBy, a list of sites and applications powered by HBase (Currently you need permissions to edit; just send text to stack at apache dot org and I'll add it for you)

• SupportingProjects

• Commercial Support

Administrators / Setup Guides and configuration

• Packaged versions of HBase

• HBase/Backups

• HBase and Performance

  • Tools for evaluating HBase performance and scalability

  • Using LZO Compression

• How to set up multiple HBase Masters for higher availability

• Rolling Restart of HBase

• Migrating between HBase versions

  • Migration from one version of HBase to another

  • Design of the Migration system ,

• Migrate Hbase from one cluster to another

• Scripts for HBase on EC2

• Stargate REST Connector

User / Developer Documentation

• HBase Shell -- Based on Ruby's IRB

  • HBase-Runner: Clojure REPL interface to HBase

• HBase non-java access
  • languages talking to the JVM:

    • Jython interface to HBase

    • Groovy DSL for HBase

    • Scala interface to HBase

  • languages with a custom protocol

    • REST gateway specification for HBase

    • Thrift gateway specification for HBase

• Hbase Map Reduce

  • Hbase Map Reduce Tutorial - Frequency Counter by Sujee Maniyam

  • Using HBase with Cascading

  • Maven and HBase

• Hbase util module & Tool, some examples

Developer Documentation

• HBase Roadmaps by HBase Version

• How to contribute to HBase

• How to test HBase

• How to commit

• How to release

• Profiling: The HBase project uses JProfiler thanks to a generous donation by ej-technologies.

Design Documents

• HBase wire compatibility

Obsolete/Stale

• Obsolete Pages