HBase Architecture

HBase Architecture

HBase Architecture: First we will see the overview about the different components in HBase architecture and then we will see in det...

HBase Datamodel

HBase Datamodel

Hbase Data model Hbase Data model - These six concepts form the foundation of HBase. Table— HBase organizes data into tables. Tab...

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HBase Introduction

HBASE: ¨       HBase is a database: the Hadoop database.Its a column oriented data store. ¨       Initially modeled after goog...

NoSQL

NoSQL

NoSQL: In this article, we will discuss about some of the short comings of RDBMS and learn some of the underlying datamodels of the ...

Log analysis using Hive

Log analysis using Hive

 Example: Log analysis using Hive In this example, a log is processed and info like number of TRACE,DEBUG,FATAL messages are retrieved u...

Hive Script

Hive Script

Hive Script: Step1:  Write the requ red script in a file               In t h is case:              USE employee;              sele...

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Bucketing in Hive

Buckets(or Clusters): Tables/Partitions can be further subdivided into Clusters or Buckets. Data in each partition may in turn be ...

Partitions

Partitions

Partitions: Table organized into partitions •Divides a table into coarse-grained parts based on partition column •A table can be...

Database

Database

Database: Database in hive essentially serves as a catalog or namespace of tables.it helps to resolve table name collisions.Used to ...

Hive Query Language

Hive Query Language

HiveQL is the Hive query language.It  provides the basic SQL-like operations Schema on Read: Hive does not verify the data whe...

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Books

1. Hadoop: The Definitive Guide   2. Hadoop Operations: A Guide for Developers and Administrators 3.Mapreduce design patterns ...

 
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