Columnar Access with HBase-Big data Analytics

Content

Overview of HBase

Data Model

Main Operations

Example Interactive Session

Remove Irrelevant Responses from Scans

Client Request Filters

Consistency

Co-Processors

Zookeeper Overview

Hierarchical Namespace

Consistency Guarantees

Architecture: Updating Data

3 Architecture

Distribution of Data

Sharding of a Table into Regions

Storage Format

Architecture Components and Responsibilities

High-Level Perspective of HBase File Mapping

Write-Path and the Write-Ahead Log

Caching of Data

Implications of the Storage Schema

Splitting of Regions

Tunable Semantics: Reduce Guarantees

Bulk Loading

Support for MapReduce

MapReduce Example Reading from one Table

HBase Support in Hive

Schema Design Guidelines

Example Mapping of an Entity Relationship Diagram

Summary