Cassandra 3x High Availability
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| Author | : Robbie Strickland |
| Publisher | : Packt Publishing Ltd |
| Total Pages | : 188 |
| Release | : 2016-08-29 |
| Genre | : Computers |
| ISBN | : 1786460572 |
Achieve scalability and high availability without compromising on performance About This Book See how to get 100 percent uptime with your Cassandra applications using this easy-follow guide Learn how to avoid common and not-so-common mistakes while working with Cassandra using this highly practical guide Get familiar with the intricacies of working with Cassandra for high availability in your work environment with this go-to-guide Who This Book Is For If you are a developer or DevOps engineer who has basic familiarity with Cassandra and you want to become an expert at creating highly available, fault tolerant systems using Cassandra, this book is for you. What You Will Learn Understand how the core architecture of Cassandra enables highly available applications Use replication and tunable consistency levels to balance consistency, availability, and performance Set up multiple data centers to enable failover, load balancing, and geographic distribution Add capacity to your cluster with zero downtime Take advantage of high availability features in the native driver Create data models that scale well and maximize availability Understand common anti-patterns so you can avoid them Keep your system working well even during failure scenarios In Detail Apache Cassandra is a massively scalable, peer-to-peer database designed for 100 percent uptime, with deployments in the tens of thousands of nodes, all supporting petabytes of data. This book offers a practical insight into building highly available, real-world applications using Apache Cassandra. The book starts with the fundamentals, helping you to understand how Apache Cassandra's architecture allows it to achieve 100 percent uptime when other systems struggle to do so. You'll get an excellent understanding of data distribution, replication, and Cassandra's highly tunable consistency model. Then we take an in-depth look at Cassandra's robust support for multiple data centers, and you'll see how to scale out a cluster. Next, the book explores the domain of application design, with chapters discussing the native driver and data modeling. Lastly, you'll find out how to steer clear of common anti-patterns and take advantage of Cassandra's ability to fail gracefully. Style and approach This practical guide will get you implementing Cassandra right from the design to creating highly available systems. Through a systematic, step-by-step approach, you will learn different aspects of building highly available Cassandra applications and all this with the help of easy-to-follow examples, tips, and tricks.
| Author | : Shashank Tiwari |
| Publisher | : John Wiley & Sons |
| Total Pages | : 384 |
| Release | : 2011-08-31 |
| Genre | : Computers |
| ISBN | : 1118167805 |
A hands-on guide to leveraging NoSQL databases NoSQL databases are an efficient and powerful tool for storing and manipulating vast quantities of data. Most NoSQL databases scale well as data grows. In addition, they are often malleable and flexible enough to accommodate semi-structured and sparse data sets. This comprehensive hands-on guide presents fundamental concepts and practical solutions for getting you ready to use NoSQL databases. Expert author Shashank Tiwari begins with a helpful introduction on the subject of NoSQL, explains its characteristics and typical uses, and looks at where it fits in the application stack. Unique insights help you choose which NoSQL solutions are best for solving your specific data storage needs. Professional NoSQL: Demystifies the concepts that relate to NoSQL databases, including column-family oriented stores, key/value databases, and document databases. Delves into installing and configuring a number of NoSQL products and the Hadoop family of products. Explains ways of storing, accessing, and querying data in NoSQL databases through examples that use MongoDB, HBase, Cassandra, Redis, CouchDB, Google App Engine Datastore and more. Looks at architecture and internals. Provides guidelines for optimal usage, performance tuning, and scalable configurations. Presents a number of tools and utilities relating to NoSQL, distributed platforms, and scalable processing, including Hive, Pig, RRDtool, Nagios, and more.
| Author | : Jeff Carpenter |
| Publisher | : "O'Reilly Media, Inc." |
| Total Pages | : 369 |
| Release | : 2016-06-29 |
| Genre | : Computers |
| ISBN | : 1491933631 |
Imagine what you could do if scalability wasn't a problem. With this hands-on guide, you’ll learn how the Cassandra database management system handles hundreds of terabytes of data while remaining highly available across multiple data centers. This expanded second edition—updated for Cassandra 3.0—provides the technical details and practical examples you need to put this database to work in a production environment. Authors Jeff Carpenter and Eben Hewitt demonstrate the advantages of Cassandra’s non-relational design, with special attention to data modeling. If you’re a developer, DBA, or application architect looking to solve a database scaling issue or future-proof your application, this guide helps you harness Cassandra’s speed and flexibility. Understand Cassandra’s distributed and decentralized structure Use the Cassandra Query Language (CQL) and cqlsh—the CQL shell Create a working data model and compare it with an equivalent relational model Develop sample applications using client drivers for languages including Java, Python, and Node.js Explore cluster topology and learn how nodes exchange data Maintain a high level of performance in your cluster Deploy Cassandra on site, in the Cloud, or with Docker Integrate Cassandra with Spark, Hadoop, Elasticsearch, Solr, and Lucene
| Author | : Lev Grossman |
| Publisher | : Penguin |
| Total Pages | : 433 |
| Release | : 2010-05-25 |
| Genre | : Fiction |
| ISBN | : 0452296293 |
Lev Grossman’s new novel THE BRIGHT SWORD will be on sale July 2024 The New York Times bestselling novel about a young man practicing magic in the real world, now an original series on SYFY “The Magicians is to Harry Potter as a shot of Irish whiskey is to a glass of weak tea. . . . Hogwarts was never like this.” —George R.R. Martin “Sad, hilarious, beautiful, and essential to anyone who cares about modern fantasy.” —Joe Hill “A very knowing and wonderful take on the wizard school genre.” —John Green “The Magicians may just be the most subversive, gripping and enchanting fantasy novel I’ve read this century.” —Cory Doctorow “This gripping novel draws on the conventions of contemporary and classic fantasy novels in order to upend them . . . an unexpectedly moving coming-of-age story.” —The New Yorker “The best urban fantasy in years.” —A.V. Club Quentin Coldwater is brilliant but miserable. A high school math genius, he’s secretly fascinated with a series of children’s fantasy novels set in a magical land called Fillory, and real life is disappointing by comparison. When Quentin is unexpectedly admitted to an elite, secret college of magic, it looks like his wildest dreams have come true. But his newfound powers lead him down a rabbit hole of hedonism and disillusionment, and ultimately to the dark secret behind the story of Fillory. The land of his childhood fantasies turns out to be much darker and more dangerous than he ever could have imagined. . . . The prequel to the New York Times bestselling book The Magician King and the #1 bestseller The Magician's Land, The Magicians is one of the most daring and inventive works of literary fantasy in years. No one who has escaped into the worlds of Narnia and Harry Potter should miss this breathtaking return to the landscape of the imagination.
| Author | : Jimmy Lin |
| Publisher | : Springer Nature |
| Total Pages | : 171 |
| Release | : 2022-05-31 |
| Genre | : Computers |
| ISBN | : 3031021363 |
Our world is being revolutionized by data-driven methods: access to large amounts of data has generated new insights and opened exciting new opportunities in commerce, science, and computing applications. Processing the enormous quantities of data necessary for these advances requires large clusters, making distributed computing paradigms more crucial than ever. MapReduce is a programming model for expressing distributed computations on massive datasets and an execution framework for large-scale data processing on clusters of commodity servers. The programming model provides an easy-to-understand abstraction for designing scalable algorithms, while the execution framework transparently handles many system-level details, ranging from scheduling to synchronization to fault tolerance. This book focuses on MapReduce algorithm design, with an emphasis on text processing algorithms common in natural language processing, information retrieval, and machine learning. We introduce the notion of MapReduce design patterns, which represent general reusable solutions to commonly occurring problems across a variety of problem domains. This book not only intends to help the reader "think in MapReduce", but also discusses limitations of the programming model as well. Table of Contents: Introduction / MapReduce Basics / MapReduce Algorithm Design / Inverted Indexing for Text Retrieval / Graph Algorithms / EM Algorithms for Text Processing / Closing Remarks
| Author | : Timothy Potter |
| Publisher | : Simon and Schuster |
| Total Pages | : 939 |
| Release | : 2014-03-25 |
| Genre | : Computers |
| ISBN | : 1638351236 |
Summary Solr in Action is a comprehensive guide to implementing scalable search using Apache Solr. This clearly written book walks you through well-documented examples ranging from basic keyword searching to scaling a system for billions of documents and queries. It will give you a deep understanding of how to implement core Solr capabilities. About the Book Whether you're handling big (or small) data, managing documents, or building a website, it is important to be able to quickly search through your content and discover meaning in it. Apache Solr is your tool: a ready-to-deploy, Lucene-based, open source, full-text search engine. Solr can scale across many servers to enable real-time queries and data analytics across billions of documents. Solr in Action teaches you to implement scalable search using Apache Solr. This easy-to-read guide balances conceptual discussions with practical examples to show you how to implement all of Solr's core capabilities. You'll master topics like text analysis, faceted search, hit highlighting, result grouping, query suggestions, multilingual search, advanced geospatial and data operations, and relevancy tuning. This book assumes basic knowledge of Java and standard database technology. No prior knowledge of Solr or Lucene is required. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. What's Inside How to scale Solr for big data Rich real-world examples Solr as a NoSQL data store Advanced multilingual, data, and relevancy tricks Coverage of versions through Solr 4.7 About the Authors Trey Grainger is a director of engineering at CareerBuilder. Timothy Potter is a senior member of the engineering team at LucidWorks. The authors work on the scalability and reliability of Solr, as well as on recommendation engine and big data analytics technologies. Table of Contents PART 1 MEET SOLR Introduction to Solr Getting to know Solr Key Solr concepts Configuring Solr Indexing Text analysis PART 2 CORE SOLR CAPABILITIES Performing queries and handling results Faceted search Hit highlighting Query suggestions Result grouping/field collapsing Taking Solr to production PART 3 TAKING SOLR TO THE NEXT LEVEL SolrCloud Multilingual search Complex query operations Mastering relevancy
| Author | : Camilla Bruce |
| Publisher | : Tor Books |
| Total Pages | : 224 |
| Release | : 2020-04-21 |
| Genre | : Fiction |
| ISBN | : 1250302056 |
You Let Me In delivers a stunning tale from debut author Camilla Bruce, combining the sinister domestic atmosphere of Gillian Flynn's Sharp Objects with the otherworldly thrills of Neil Gaiman's The Ocean at the End of the Lane. Cassandra Tipp is dead...or is she? After all, the notorious recluse and eccentric bestselling novelist has always been prone to flights of fancy—everyone in town remembers the shocking events leading up to Cassie's infamous trial (she may have been acquitted, but the insanity defense only stretches so far). Cassandra Tipp has left behind no body—just her massive fortune, and one final manuscript. Then again, there are enough bodies in her past—her husband Tommy Tipp, whose mysterious disembowelment has never been solved, and a few years later, the shocking murder-suicide of her father and brother. Cassandra Tipp will tell you a story—but it will come with a terrible price. What really happened, out there in the woods—and who has Cassie been protecting all along? Read on, if you dare... At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
| Author | : Micha Gorelick |
| Publisher | : O'Reilly Media |
| Total Pages | : 469 |
| Release | : 2020-04-30 |
| Genre | : Computers |
| ISBN | : 1492054992 |
Your Python code may run correctly, but you need it to run faster. Updated for Python 3, this expanded edition shows you how to locate performance bottlenecks and significantly speed up your code in high-data-volume programs. By exploring the fundamental theory behind design choices, High Performance Python helps you gain a deeper understanding of Python’s implementation. How do you take advantage of multicore architectures or clusters? Or build a system that scales up and down without losing reliability? Experienced Python programmers will learn concrete solutions to many issues, along with war stories from companies that use high-performance Python for social media analytics, productionized machine learning, and more. Get a better grasp of NumPy, Cython, and profilers Learn how Python abstracts the underlying computer architecture Use profiling to find bottlenecks in CPU time and memory usage Write efficient programs by choosing appropriate data structures Speed up matrix and vector computations Use tools to compile Python down to machine code Manage multiple I/O and computational operations concurrently Convert multiprocessing code to run on local or remote clusters Deploy code faster using tools like Docker
| Author | : Samantha Irby |
| Publisher | : Vintage |
| Total Pages | : 274 |
| Release | : 2013-09-13 |
| Genre | : Literary Collections |
| ISBN | : 0988825864 |
The smart, edgy, hilarious, and unabashedly raunchy New York Times bestselling author explodes onto the printed page in her uproarious first collection of essays. "Whether she’s writing about her latest inflammatory bowel disease attack or documenting a sexual escapade gone awry (sometimes simultaneously), you’ll most likely be able to relate to Irby’s tell-all book. Her raw honesty and scathing sense of humor will make you laugh out loud." —JET Irby laughs her way through tragicomic mishaps, neuroses, and taboos as she struggles through adulthood: chin hairs, depression, bad sex, failed relationships, masturbation, taco feasts, inflammatory bowel disease and more. Updated with her favorite Instagramable, couch-friendly recipes, this much-beloved romp is treat for anyone in dire need of Irby's infamous, scathing wit and poignant candor. Don't miss Samantha Irby's bestselling new book, Quietly Hostile!
| Author | : Deborah E. Kennedy |
| Publisher | : |
| Total Pages | : 320 |
| Release | : 2017-07-11 |
| Genre | : Fiction |
| ISBN | : 1250079578 |
"Five-year-old Daisy Gonzalez's father is always waiting for her at the bus stop. But today, he isn't, and Daisy disappears. When Daisy goes missing, nearly everyone in town suspects or knows something different about what happened. And they also know a lot about each other. The immigrants who work in the dairy farm know their employers' secrets. The hairdresser knows everything except what's happening in her own backyard. And the roadkill collector knows love and heartbreak more than anyone would ever expect. They are all connected, in ways small and profound, open and secret"--
