Preview Apache Druid for Data Engineers (Hands-On)

Introduction

Introduction to Course

Real-time Analytics Databases

What is Apache Druid?

Key Features of Druid

Technology

Use Case

When to use Druid

When not to use Druid

List of Company using Apache Druid

Installation of Apache Druid

Install

Start Druid Services

Open Webconsole

Load data

Query data

Overview of the Druid Web Console Part 1

Overview of the Druid Web Console Part 2

Architecture of Druid

Druid Architecture

Druid Servers

Druid Services

Druid Services in Simple terms

External Dependencies

Storage Design

Datasources and Segments

Segment Identifiers

Segments

Introduction to Segments

Segment File Structure

Data Loading in Druid

Load Data from Local Files

Load Data from URI

Load Data from Kafka (Prerequisite Introduction to Kafka)

Installing Single Node Kafka Cluster

Change the following to avoid Zookeeper Issue conflict

Load Data from Kafka Part 1

Load Data from Kafka Part 2

Query Data Explain Plan

Aggregate data with rollup

Frequently Asked Questions

Is Druid a data warehouse? When should I use Druid over Redshift/BigQuery

Is Druid log aggregation/log search system? When should I use Druid over Elastic

Is Druid a timeseries database? When should I use Druid

Does Druid separate storage and compute?

How is Druid deployed?

Where does Druid fit in my big data stack?

Is Druid in-memory?

Do clients ever contact the Coordinator process?

Does it matter if Coordinator process starts up before or after other processes?

Preview - Apache Druid for Data Engineers (Hands-On)