Apache Cassandra Administrator Associate
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Apache Cassandra Administrator Associate
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Author : Cristian Scutaru
language : en
Publisher: Cristian Scutaru
Release Date :
Apache Cassandra Administrator Associate written by Cristian Scutaru and has been published by Cristian Scutaru this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
Are you a system administrator or a DevOps looking for a valuable certification in the most popular NoSQL wide-column store? These two original practice tests will help you score big in your Apache Cassandra Administrator Associate certification exam. This book contains two high-quality practice tests similar to the proctored exam. Just like the actual exam, each exam practice test has 60 questions that you can try answer in 90 minutes or less. You may also consider a 70% passing score, just like for the real exam. DataStax, the largest provider of a commercial version for Apache Cassandra, is also the company that offers these Administrator and Developer certification exams. DataStax cut down the price for a certification exam to $145 US. But you can qualify for a free voucher and pay nothing, if you complete a learning path watching three of their courses online. This is not a brain dump, but the questions closely emulate those from the actual exam. All practice test questions are created by the author and do not repeat themselves. Each question has a detailed explanation and one or more references. The questions are divided in four categories: Architecture, Operations, Data Modeling, and CQL. While both the Administrator and Developer paths have some common recommended courses, the practice tests include several questions from my previously published Become a Certified Cassandra Developer: Practice Exams book. The exam has been updated in mid-2020, and we offer here the same level of difficulty as those latest exam questions. Most questions are single-select, with four possible choices. Few questions have multiple-choices. There are no True/False questions. What you don't have at the actual exam are the questions you missed, and the correct answers. We provide detailed explanations with link references for every question. The exam will test your administration skills for Apache Cassandra 3 and DataStax Enterprise 6. You should have some prior basic knowledge on the product. Go to their online documentation, and watch DataStax Academy's recommended videos for this certification exam, to know more. An interactive version of this book has been implemented on Udemy: Become a Certified Cassandra Administrator: Practice Exams.
Study Guide For Datastax Apache Cassandra Certification Administrator Associate Exam
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Author : Rashmi Shah
language : en
Publisher: QuickTechie.com | A career growth machine
Release Date :
Study Guide For Datastax Apache Cassandra Certification Administrator Associate Exam written by Rashmi Shah and has been published by QuickTechie.com | A career growth machine this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
About This Book: Master Your DataStax Certified Professional Journey Unlock unparalleled career opportunities and validate your expertise in the world's most scalable NoSQL database with this comprehensive guide to DataStax Certified Professional exams. The demand for Apache Cassandra® and NoSQL skills is soaring, with certified professionals commanding significantly higher salaries and increased career advancement prospects. This book is your essential companion to achieving the coveted Apache Cassandra® Administrator Associate Certification, designed for database administrators, DevOps engineers, and Site Reliability Engineers (SREs) who manage and optimize Cassandra clusters. Why Get Certified? An official DataStax certification not only boosts your confidence in Apache Cassandra® knowledge but also positions you as a highly sought-after expert in a rapidly evolving data landscape. Companies like Apple, Netflix, Sony, and Uber rely on Cassandra, making certified skills invaluable. Your Path to Certification Success This book provides two high-quality practice tests meticulously crafted to mirror the actual proctored exam experience. Each practice test features 60 multiple-choice questions, to be completed within 90 minutes, with a required passing score of 70% (42 correct answers). Drawing from expert insights and comprehensive resources, including those found on QuickTechie.com, this guide ensures you are thoroughly prepared for the challenges of the certification. What You'll Master: The practice tests and accompanying explanations delve deep into critical Apache Cassandra® and DataStax Enterprise principles, covering: Cassandra Architecture: Gain a solid understanding of the ring, nodes, replication, and consistency models. Explore how Cassandra achieves unparalleled scalability, high availability, robust performance, fast response times, and low latency. Storing & Retrieving Data: Master Cassandra Query Language (CQL) operations, including INSERT, UPDATE, DELETE, and SELECT statements. Learn effective tools and strategies for bulk data loading and unloading. Cassandra Installation & Configuration: Understand the intricacies of installing Cassandra via tarball, configuring essential YAML file options (such as vnodes, seeds, gossip, and snitches), optimizing JVM settings, and implementing robust security measures (authentication, authorization, and encryption). Cluster Operations & Maintenance: Learn best practices for adding, removing, and replacing nodes. Explore multi-datacenter concepts, multicloud, and hybrid cloud deployments. Develop a deep understanding of Cassandra's write and read paths, associated metrics, and crucial maintenance actions like compaction, repair, rebuild, backup, and restore. Exam Preparation Strategy (as recommended by QuickTechie.com experts): To maximize your chances of success, it is highly recommended to: Complete DataStax Academy Courses: Prioritize the official DataStax Academy Apache Cassandra™ Administrator Path, specifically courses like DS101: Introduction to Apache Cassandra™ and DS201: Foundations of Apache Cassandra™ and DataStax Enterprise. These courses lay the foundational knowledge tested in the exam. Focus on Practical Application: Be aware that exam questions are practical and scenario-based, moving beyond simple recall. This book's practice tests are designed to prepare you for this level of complexity. Deep Dive into Core Internals: Develop a solid understanding of concepts like partition keys, snitches, read repair, and hinted hand-off, as these are frequently tested. Master Consistency Level (CL) and Replication Factor (RF) Scenarios: Practice scenarios involving CL and RF in single and multiple data centers, especially concerning node failures. Familiarize Yourself with Configuration: Know which configurable variables to adjust in specific files to achieve desired cluster behavior and settings. Become Proficient with nodetool and dsebulk: Understand their parameters and the outcomes of various commands. Analyze Table Logs: Develop the ability to interpret Cassandra table logs for troubleshooting and performance analysis. Exam Details & Logistics: Difficulty: Intermediate, with practical application questions that can be tricky. Format: 60 multiple-choice questions (approximately 90% single-choice, a few choose-two-correct options). No True/False questions. Duration: 90 minutes. Cost: $145.00 per attempt. Free vouchers are available upon completion of recommended DataStax Academy learning paths (contact [email protected]). Proctoring: Exams are conducted in a secure online environment with live proctors available 24/7. No scheduling is required; you can take the exam at your convenience. Environment: This is a closed-book exam. No external materials (paper or electronic), additional monitors, or open programs/browser windows are permitted. A small mirror is required for a physical screen inspection. Identity Verification: A valid government-issued photo ID (passport or driver's license) with a visible expiration date is required. Support: Technical support is available during the exam. Results: No detailed feedback on correct/incorrect answers is provided after the exam. This book, informed by the latest exam updates (mid-2020) and comprehensive preparation strategies, is your definitive resource for passing the Apache Cassandra Administrator Associate Certification exam and advancing your career in the high-demand field of NoSQL databases.
Expert Apache Cassandra Administration
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Author : Sam R. Alapati
language : en
Publisher: Apress
Release Date : 2017-12-09
Expert Apache Cassandra Administration written by Sam R. Alapati and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-09 with Computers categories.
Follow this handbook to build, configure, tune, and secure Apache Cassandra databases. Start with the installation of Cassandra and move on to the creation of a single instance, and then a cluster of Cassandra databases. Cassandra is increasingly a key player in many big data environments, and this book shows you how to use Cassandra with Apache Spark, a popular big data processing framework. Also covered are day-to-day topics of importance such as the backup and recovery of Cassandra databases, using the right compression and compaction strategies, and loading and unloading data. Expert Apache Cassandra Administration provides numerous step-by-step examples starting with the basics of a Cassandra database, and going all the way through backup and recovery, performance optimization, and monitoring and securing the data. The book serves as an authoritative and comprehensive guide to the building and management of simpleto complex Cassandra databases. The book: Takes you through building a Cassandra database from installation of the software and creation of a single database, through to complex clusters and data centers Provides numerous examples of actual commands in a real-life Cassandra environment that show how to confidently configure, manage, troubleshoot, and tune Cassandra databases Shows how to use the Cassandra configuration properties to build a highly stable, available, and secure Cassandra database that always operates at peak efficiency What You'll Learn Install the Cassandra software and create your first database Understand the Cassandra data model, and the internal architecture of a Cassandra database Create your own Cassandra cluster, step-by-step Run a Cassandra cluster on Docker Work with Apache Spark by connecting to a Cassandra database Deploy Cassandra clusters in your data center, or on Amazon EC2 instances Back up and restore mission-critical Cassandra databases Monitor, troubleshoot, and tune production Cassandra databases, and cut your spending on resources such as memory, servers, and storage Who This Book Is For Database administrators, developers, and architects who are looking for an authoritative and comprehensive single volume for all their Cassandra administration needs. Also for administrators who are tasked with setting up and maintaining highly reliable and high-performing Cassandra databases. An excellent choice for big data administrators, database administrators, architects, and developers who use Cassandra as their key data store, to support high volume online transactions, or as a decentralized, elastic data store.
Aws Certified Sysops Administrator Associate All In One Exam Guide Exam Soa C01
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Author : Sam R. Alapati
language : en
Publisher: McGraw Hill Professional
Release Date : 2019-06-14
Aws Certified Sysops Administrator Associate All In One Exam Guide Exam Soa C01 written by Sam R. Alapati and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-14 with Computers categories.
Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.This study guide covers 100% of the objectives for the AWS Certified SysOps Administrator Associate examTake the challenging AWS Certified SysOps Administrator Associate exam with confidence using this highly effective self-study guide. You will learn how to provision systems, ensure data integrity, handle security, and monitor and tune Amazon Web Services performance. Written by an industry-leading expert, AWS Certified SysOps Administrator Associate All-in-One Exam Guide (Exam SOA-C01) fully covers every objective for the exam and follows a hands-on, step-by-step methodology. Beyond fully preparing you for the exam, the book also serves as a valuable on-the-job reference.Covers all exam topics, including:•Systems operations•Signing up, working with the AWS Management Console, and the AWS CLI•AWS Identity and Access Management (IAM) and AWS service security•AWS compute services and the Elastic Compute Cloud (EC2)•Amazon ECS, AWS Batch, AWS Lambda, and other compute services•Storage and archiving in the AWS cloud with Amazon EBS, Amazon EFS, and Amazon S3 Glacier•Managing databases in the cloud—Amazon RDS, Amazon Aurora, Amazon DynamoDB, Amazon ElastiCache, and Amazon Redshift•Application integration with Amazon SQS and Amazon SNS•AWS high availability strategies•Monitoring with Amazon CloudWatch, logging, and managing events•Managing AWS costs and billing•Infrastructure provisioning through AWS CloudFormation and AWS OpsWorks, application deployment, and creating scalable infrastructuresOnline content includes:•130 practice questions•Test engine that provides full-length practice exams or customized quizzes by chapter or by exam domain
Apache Cassandra Certification Practice Material 2019
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Author :
language : en
Publisher: HadoopExam Learning Resources
Release Date :
Apache Cassandra Certification Practice Material 2019 written by and has been published by HadoopExam Learning Resources this book supported file pdf, txt, epub, kindle and other format this book has been release on with Education categories.
About Professional Certification of Apache Cassandra: Apache Cassandra is one of the most popular NoSQL Database currently being used by many of the organization, globally in every industry like Aviation, Finance, Retail, Social Networking etc. It proves that there is quite a huge demand for certified Cassandra professionals. Having certification make your selection in the company make much easier. This certification is conducted by the DataStax®, which has the Enterprise Version of the Apache Cassandra and Leader in providing support for the open source Apache Cassandra NoSQL database. Cassandra is one of the Unique NoSQL Database. So go for its certification, it will certainly help in - Getting the Job - Increase in your salary - Growth in your career. - Managing Tera Bytes of Data. - Learning Distributed Database - Using CQL (Cassandra Query Language) Cassandra Certification Information: - Number of questions: 60 Multiple Choice - Time allowed in minutes: 90 - Required passing score: 75% - Languages: English Exam Objectives: There are in total 5 sections and you will be asked total 60 questions in real exam. Please check each section below with regards to the exam objective 1. Apache Cassandra™ data modeling 2. Fundamentals of replication and consistency 3. The distributed and internal architecture of Apache Cassandra™ 4. Installation and configuration 5. Basic tooling
Study Guide For Datastax Apache Cassandra Certification Developer Associate Exam
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Author : Rashmi Shah
language : en
Publisher: QuickTechie.com | A career growth machine
Release Date :
Study Guide For Datastax Apache Cassandra Certification Developer Associate Exam written by Rashmi Shah and has been published by QuickTechie.com | A career growth machine this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
About the DataStax Cassandra Certification: Elevate Your NoSQL Expertise In today's data-driven world, the demand for specialized NoSQL database skills, particularly in Apache Cassandra®, is experiencing unprecedented growth. Professionals proficient in Cassandra command significantly higher salaries, making certification a strategic career move. This "About Book" section, drawing insights from QuickTechie.com and other expert resources, details why the DataStax Cassandra Certification is an essential credential for anyone looking to excel in this high-demand field. Why Become DataStax Certified? Unlocking Career Growth The DataStax Cassandra Certification is your gateway to validating expertise in the popular NoSQL database trusted by industry giants like Apple, Netflix, Sony, and Uber. As highlighted by QuickTechie.com, this certification offers immediate recognition and a competitive edge in the tech job market. It's not just about proving your knowledge; it's about gaining confidence, increasing opportunities for career advancement, and potentially boosting your earning potential. The Convenience of Test-Only Certification: Fast-Track Your Validation One of the most compelling aspects of the DataStax Cassandra Certification is its streamlined, test-only format. Unlike traditional certifications that demand extensive coursework or lengthy training programs, this credential allows you to validate your skills quickly. There are no prerequisites or mandatory learning modules, making it an ideal "no learning required certification" for experienced professionals. This efficiency, as noted by QuickTechie.com, means you can register, take the exam, and receive instant certification, showcasing your expertise with a globally recognized badge validated by Credly. Who Should Pursue This Certification? The DataStax Cassandra Developer Associate Certification is specifically designed for professionals who interact with Apache Cassandra clusters to manage data. This includes: Application Developers: Building high-performance, scalable applications. Data Architects: Designing robust and efficient data solutions. Database Designers: Crafting optimal schema for Cassandra. Database Administrators: Managing and maintaining Cassandra deployments. Candidates are encouraged to follow a structured Learning Path, composed of recommended courses curated by Curriculum Engineers. A basic familiarity with programming concepts, the Unix/Linux command line, and networking and storage principles is assumed. What Topics Are Covered on the Exam? A Comprehensive Overview The certification exam rigorously assesses your understanding of Apache Cassandra's core concepts and practical applications. Key areas of focus include: Core Topics: Cassandra Architecture: Deep dive into the ring topology, nodes, replication strategies, consistency models, and how Cassandra achieves unparalleled scalability, availability, performance, fast response times, and low latency. Storing & Retrieving Data: Mastery of Cassandra Query Language (CQL) operations, including INSERT, UPDATE, DELETE, and SELECT statements. Understanding tools and techniques for efficient bulk data loading and unloading. Developer Exam Topics: Data Modeling: Comprehensive knowledge of conceptual, logical, and physical data models. This includes defining schema elements such as keyspaces, tables, columns, partition keys, clustering columns, user-defined types (UDTs), collections, secondary indexes, and materialized views. Critical Concepts: Expect in-depth questions on Chebotko diagrams, the nuances of primary, partition, and clustering keys, and how they influence data distribution and access patterns. Understanding multi-row partitions and the implications of adding clustering keys is vital. CQL Operations: Beyond basic CRUD, the exam covers "upserts" with INSERT or UPDATE, their behavior in applied/unapplied batches, and as lightweight transactions (LWT). Advanced Techniques: Knowledge of read/write techniques, including lightweight transactions, batches, secondary indexes, and materialized views – when and how to use them effectively. Data Types: Specific focus on date/time vs. timestamp, and UUID vs. TIMEUUID. Schema Elements: Understanding the STATIC keyword and its implications. Consistency & Replication: Scenarios involving replication factor (RF) per data center and read/write operations with specific consistency levels (CL), including linearizable consistency. Unexpected but Important Topics (as per QuickTechie.com): DSBulk: A powerful utility for data loading/unloading/counting, often featured in exam questions. ERD Notations: A refresh on Entity-Relationship conceptual modeling from RDBMS may be beneficial. Hybrid/Multi-Cloud Deployments: Some questions may touch upon modern deployment strategies. Topics Less Emphasized (as per QuickTechie.com): While foundational, the exam tends to focus less on generic NoSQL vs. RDBMS comparisons, DataStax Enterprise (DSE) specific features, internal architectural components like compaction, read repair, snitch, hinted handoff, NodeSync, or detailed read/write path internals. The Exam Experience: What to Expect The DataStax Cassandra Certification is an online proctored examination, available 24/7 for your convenience. QuickTechie.com provides valuable insights into the process: Logistics: You'll need a valid photo ID (driver's license or passport), a machine with a webcam, microphone, flash enabled, and stable internet. The proctor will verify your identity and environment. Format: The exam consists of 60 single-select multiple-choice questions, to be completed within 90 minutes. There are no True/False or multiple-select questions. Difficulty: The exam is moderately difficult, requiring thorough preparation or practical experience. Many questions are scenario-based, testing problem-solving skills. Scoring: A passing score of 70% is required. There is no negative marking, so it's advisable to attempt all questions. You can mark questions for later review. Environment: It's a closed-book exam; no external guidance is permitted. The proctor uses a Chrome add-on to monitor your screen. Benefits Across Industries and Careers Earning the DataStax Cassandra Certification is a strategic advantage across various tech sectors: Software Development: Essential for building highly available and scalable applications. Data Science and Big Data Engineering: Validates skills in managing and processing vast amounts of data across distributed systems. Cloud Computing: Crucial for cloud architects and engineers designing and maintaining cloud infrastructure, demonstrating expertise in implementing and managing cloud-native applications with Cassandra. Conclusion: Your Path to NoSQL Mastery The DataStax Cassandra Certification, as emphasized by QuickTechie.com, is a challenging yet fair assessment that can significantly boost your developer career. Its test-only model offers unparalleled speed and convenience, allowing you to gain instant, globally recognized credentials validated by Credly. By mastering the intricacies of Apache Cassandra and earning this certification, you unlock exciting career opportunities in high-demand industries and position yourself as a leading expert in the NoSQL landscape. Don't miss this chance to elevate your professional profile.
Expert Apache Cassandra Administration
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Author : Sam R. Alapati
language : en
Publisher:
Release Date : 2018
Expert Apache Cassandra Administration written by Sam R. Alapati and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Apache Cassandra categories.
Follow this handbook to build, configure, tune, and secure Apache Cassandra databases. Start with the installation of Cassandra and move on to the creation of a single instance, and then a cluster of Cassandra databases. Cassandra is increasingly a key player in many big data environments, and this book shows you how to use Cassandra with Apache Spark, a popular big data processing framework. Also covered are day-to-day topics of importance such as the backup and recovery of Cassandra databases, using the right compression and compaction strategies, and loading and unloading data. Expert Apache Cassandra Administration provides numerous step-by-step examples starting with the basics of a Cassandra database, and going all the way through backup and recovery, performance optimization, and monitoring and securing the data. The book serves as an authoritative and comprehensive guide to the building and management of simple to complex Cassandra databases. The book: Takes you through building a Cassandra database from installation of the software and creation of a single database, through to complex clusters and data centers Provides numerous examples of actual commands in a real-life Cassandra environment that show how to confidently configure, manage, troubleshoot, and tune Cassandra databases Shows how to use the Cassandra configuration properties to build a highly stable, available, and secure Cassandra database that always operates at peak efficiency What You'll Learn: Install the Cassandra software and create your first database Understand the Cassandra data model, and the internal architecture of a Cassandra database Create your own Cassandra cluster, step-by-step Run a Cassandra cluster on Docker Work with Apache Spark by connecting to a Cassandra database Deploy Cassandra clusters in your data center, or on Amazon EC2 instances Back up and restore mission-critical Cassandra databases Monitor, troubleshoot, and tune production Cassandra databases, and cut your spending on resources such as memory, servers, and storage.
Sys Admin
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Author :
language : en
Publisher:
Release Date : 2003
Sys Admin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Operating systems (Computers) categories.
Apache Cassandra Developer Associate
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Author : Cristian Scutaru
language : en
Publisher: Cristian Scutaru
Release Date :
Apache Cassandra Developer Associate written by Cristian Scutaru and has been published by Cristian Scutaru this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
Who this book is for • People preparing for the Apache Cassandra Developer Associate exam. • Developers willing to acquire a certification in the most popular NoSQL wide-column store. • Those looking to pass with minimal risk the latest $145 DataStax certification exam. This book contains two original and high-quality practice tests with 60 questions each. They help you practice for DataStax Academy's proctored certification exam, to become a certified Apache Cassandra Developer Associate. • Each practice test has 60 questions that you can time for 90 minutes, for 70% passing score - just like the real exam. • Domains mapped to areas from the recommended courses: Architecture, Data Modeling, CQL. • All questions are original, with detailed explanations and references. • Questions closely emulate those from the actual exam, without duplicating them. • Same level of difficulty as the latest exam questions, changed in mid-2020. • Unlike the real exam, you'll know right away what questions you missed, and what the correct answers are. • Detailed explanations with external references for any possible choice, in all practice test questions. • Just like the actual exam, all questions are all single-select, with four possible choices to select from. • DataStax can provide vouchers to try and retry their exam for FREE, after watching some of their videos. • Otherwise, the list price has been cut down to $145 US. This is not an introduction to Apache Cassandra 3 or DataStax Enterprise 6, as you should already have some prior basic knowledge on the product. Follow the previous link and use also the DataStax Academy's recommended materials for this exam. The live interactive version of this e-book has been implemented on Udemy as a course, with the "Become a Certified Cassandra Developer: Practice Exams" title.
Mastering Apache Cassandra 3 X
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Author : Aaron Ploetz
language : en
Publisher: Packt Publishing Ltd
Release Date : 2018-10-31
Mastering Apache Cassandra 3 X written by Aaron Ploetz and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-31 with Computers categories.
Build, manage, and configure high-performing, reliable NoSQL database for your applications with Cassandra Key FeaturesWrite programs more efficiently using Cassandra's features with the help of examplesConfigure Cassandra and fine-tune its parameters depending on your needsIntegrate Cassandra database with Apache Spark and build strong data analytics pipelineBook Description With ever-increasing rates of data creation, the demand for storing data fast and reliably becomes a need. Apache Cassandra is the perfect choice for building fault-tolerant and scalable databases. Mastering Apache Cassandra 3.x teaches you how to build and architect your clusters, configure and work with your nodes, and program in a high-throughput environment, helping you understand the power of Cassandra as per the new features. Once you’ve covered a brief recap of the basics, you’ll move on to deploying and monitoring a production setup and optimizing and integrating it with other software. You’ll work with the advanced features of CQL and the new storage engine in order to understand how they function on the server-side. You’ll explore the integration and interaction of Cassandra components, followed by discovering features such as token allocation algorithm, CQL3, vnodes, lightweight transactions, and data modelling in detail. Last but not least you will get to grips with Apache Spark. By the end of this book, you’ll be able to analyse big data, and build and manage high-performance databases for your application. What you will learnWrite programs more efficiently using Cassandra's features more efficientlyExploit the given infrastructure, improve performance, and tweak the Java Virtual Machine (JVM)Use CQL3 in your application in order to simplify working with CassandraConfigure Cassandra and fine-tune its parameters depending on your needsSet up a cluster and learn how to scale itMonitor a Cassandra cluster in different waysUse Apache Spark and other big data processing toolsWho this book is for Mastering Apache Cassandra 3.x is for you if you are a big data administrator, database administrator, architect, or developer who wants to build a high-performing, scalable, and fault-tolerant database. Prior knowledge of core concepts of databases is required.