Blog Archives

1. HBase Tutorial Getting Started

In standalone mode, HBase does not use HDFS — it uses the local filesystem instead — and it runs all HBase daemons and a local ZooKeeper all up in the same JVM. Zookeeper binds to a well known port so clients may talk to HBase. Step 1: Download HBase from

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2. HBase Shell commands

This extends 1. HBase Tutorial Getting Started. You can learn HBase basics at HBase interview Questions & Answers. Step 1: Unlike relational databases, the NoSQL databases are semi-structured, hence you can add new columns on the fly. In HBase, you can define the table name and the column family first

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3. Understanding HBase (NoSQL) database basics in 7 steps

Extends Getting started with HBase. HBase is a NoSQL database. HBase is a columnar database. #1. In HBase, you create the Table & column-families “create” command to create a table with column families. You can later on use “alter” to add more column families. Add column family “m” to the…...

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4. ♦ Setting up HBase with zookeeper to be used in Java via maven project

HBase is a NoSQL database used in Hadoop world to store “Big Data”. This extends Understanding HBase (NoSQL) database basics in 7 steps. Step 1: Create a Maven based Java project Step 2: Import the project into eclipse & modify the pom.xml file to add Hadoop & HBase libraries. HBase

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5. HBase atomic operations by examples

Step 1: Create an HBase table named “sequence_numbers” with one column-family “i”. You can create this via HBase shell. Step 2: You can use the HBase API in Java to insert a new record via “assigCurrentValue()“, and perform atomic operations in “getNextUniqueId()” method. Atomic operation: table.incrementColumnValue(….) The atomic method invocation…...

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