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Introduction to Cassandra for Developers

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  • Reviews star_rate star_rate star_rate star_rate star_half 3224 Ratings
  • Course Code ACCEL-CASS-INTRO
  • Duration 3 days
  • Available Formats Classroom

Accelebrate's Introduction to Cassandra 3 for Developers training course provides an in-depth introduction to using Cassandra and with a focus on the practical aspects of working with C*. Students learn the internal architecture and CQL (Cassandra Query Language), as well as the Java API for writing Cassandra clients.

  • This course includes coverage of Cassandra 3.x, but is also suitable for users of Cassandra 2.

Skills Gained

All students will:

  • Understand the needs that C* addresses
  • Be familiar with the operation and structure of C*
  • Be able to install and set up a C* database
  • Use the C* tools, including cqlsh, nodetool, and ccm (Cassandra Cluster Manager)
  • Be familiar with the C* architecture, and how a C* cluster is structured
  • Understand how data is distributed and replicated in a C* cluster
  • Understand core C* data modeling concepts, and use them to create well-structured data models
  • Use data replication and eventual consistency intelligently
  • Understand and use CQL to create tables and query for data
  • Know and use the CQL data types (numerical, textual, uuid, etc.)
  • Understand the various kinds of primary keys available (simple, compound, and composite primary keys)
  • Use more advanced capabilities like collections, counters, secondary indexes, CAS (Compare and Set), static columns, and batches
  • Be familiar with the Java client API
  • Use the Java client API to write client programs that work with C*
  • Build and use dynamic queries with QueryBuilder
  • Understand and use asynchronous queries with the Java API

Prerequisites

Students should have reasonable Java experience and some knowledge of databases.

Course Details

Software Requirements

VirtualBox 5.0 or later in a Windows, Linux, or Mac environment with at least 8GB of physical RAM. Accelebrate provides a virtual machine with everything necessary for this class.

Cassandra Training Outline

Introduction

Cassandra Overview

  • Why We Need Cassandra
  • High level Cassandra Overview
  • Cassandra Features
  • Basic Cassandra Installation and Configuration

Cassandra Architecture and CQL Overview

  • Cassandra Architecture Overview
  • Cassandra Clusters and Rings
  • Data Replication in Cassandra
  • Cassandra Consistency / Eventual Consistency
  • Introduction to CQL
  • Defining Tables with a Single Primary Key
  • Using cqlsh for Interactive Querying
  • Selecting and Inserting/Upserting Data with CQL
  • Data Replication and Distribution
  • Basic Data Types (including uuid, timeuuid)

Data Modeling and CQL Core Concepts

  • Defining a Compound Primary Key
  • Additional Querying Capabilities
  • Data Modeling Guidelines
  • Composite Partition Keys

Additional CQL Capabilities

  • Indexing
  • Cassandra Counters
  • Cassandra collections
  • Static Column: Overview and Usage
  • Static Column Guidelines
  • Materialized View: Overview and Usage
  • Materialized View Guidelines

Data Consistency In Cassandra

  • Overview of Consistency in Cassandra
  • CAP Theorem
  • Eventual (Tunable) Consistency in C* - ONE, QUORUM, ALL
  • Choosing CL ONE
  • Choosing CL QUORUM
  • Achieving Immediate Consistency
  • Using other Consistency Levels
  • Internal Repair Mechanisms (Read Repair, Hinted Handoff)

Lightweight Transactions (LWT)/ Compare and Set (CAS)

  • Overview of Lightweight Transactions
  • Using LWT, the [applied] Column
  • IF EXISTS, IF NOT EXISTS, Other IF conditions
  • Basic CAS Internals
  • Overhead and Guidelines

Practical Considerations

  • Dealing with Write Failure
  • Unavailable Nodes and Node Failure
  • Requirements for Write Operations
  • Key and Row Caches
  • Cache Overview
  • Usage Guidelines
  • Multi-Data Center Support
  • Overview
  • Replication Factor Configuration
  • Additional Consistency Levels - LOCAL/EACH QUORUM
  • Deletes

The Java Client API

  • API Overview
  • Connecting to a Cluster
  • The Query API
  • Dynamic Queries and QueryBuilder
  • Configuring Query Behavior
  • Asynchronous Querying Overview

Conclusion

When does class start/end?

Classes begin promptly at 9:00 am, and typically end at 5:00 pm.

Does the course schedule include a Lunchbreak?

Lunch is normally an hour long and begins at noon. Coffee, tea, hot chocolate and juice are available all day in the kitchen. Fruit, muffins and bagels are served each morning. There are numerous restaurants near each of our centers, and some popular ones are indicated on the Area Map in the Student Welcome Handbooks - these can be picked up in the lobby or requested from one of our ExitCertified staff.

How can someone reach me during class?

If someone should need to contact you while you are in class, please have them call the center telephone number and leave a message with the receptionist.

What languages are used to deliver training?

Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.

What does GTR stand for?

GTR stands for Guaranteed to Run; if you see a course with this status, it means this event is confirmed to run. View our GTR page to see our full list of Guaranteed to Run courses.

Does ExitCertified deliver group training?

Yes, we provide training for groups, individuals and private on sites. View our group training page for more information.

Does ExitCertified deliver group training?

Yes, we provide training for groups, individuals, and private on sites. View our group training page for more information.

Gave an in depth introduction to Security Practices on AWS with a lot of practical examples. I do think the labs could be structured so that they are a bit less cut and paste oriented, but I am guessing that they are trying to shorten the amount of time it takes to get through them to include more topics.

Instructor had plenty of real world experience to call in to help answer questions.

The class was informative, yet the remote platform could use some refinement for smoother student experience.

Training Lecture tied concepts for learning in the exercise labs well. Instructor provided an extra support in reviewing and explaining in more detail some results.

Very organized and provides a ton of information both in class and for self study. I highly recommend ExitCertified for AWS training.

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