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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 revised third edition--updated for Cassandra 4.0 and new developments in the Cassandra ecosystem, including deployments in Kubernetes with K8ssandra--provides technical details and practical examples to help you put this database to work in a production environment. Authors Jeff Carpenter and Eben Hewitt demonstrate the advantages of Cassandra's nonrelational design, with special attention to data modeling. Developers, DBAs, and application architects looking to solve a database scaling issue or future-proof an application will learn how to 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 Design and develop applications using client drivers Explore cluster topology and learn how nodes exchange data Maintain a high level of performance in your cluster Deploy Cassandra onsite, in the cloud, or with Docker and Kubernetes Integrate Cassandra with Spark, Kafka, Elasticsearch, Solr, and Lucene
Conquer Windows Server 2019—from the inside out! Dive into Windows Server 2019—and really put your Windows Serverexpertise to work. Focusing on Windows Server 2019’s most powerful and innovative features, this supremely organized reference packs hundreds of timesaving solutions, tips, and workarounds—all you need to plan, implement, or manage Windows Server in enterprise, data center, cloud, and hybrid environments. Fully reflecting new innovations for security, hybrid cloud environments, and Hyper-Converged Infrastructure (HCI), it covers everything from cluster sets to Windows Subsystem for Linux. You’ll discover how experts tackle today’s essential tasks—and challenge yourself to new levels of mastery. • Optimize the full Windows Server 2019 lifecycle, from planning and configuration through rollout and administration • Leverage new configuration options including App Compatibility Features on Demand (FOD) or Desktop Experience • Ensure fast, reliable upgrades and migrations • Manage Windows servers, clients, and services through Windows Admin Center • Seamlessly deliver and administer core DNS, DHCP, fi le, print, storage, and Internet services • Use the Storage Migration Service to simplify storage moves and configuration at the destination • Seamlessly integrate Azure IaaS and hybrid services with Windows Server 2019 • Improve agility with advanced container technologies, including container networking and integration into Kubernetes orchestration clusters • Deliver Active Directory identity, certifi cate, federation, and rights management services • Protect servers, clients, VMs, assets, and users with advanced Windows Server 2019 security features, from Just Enough Administration to shielded VMs and guarded virtualization fabrics • Monitor performance, manage event logs, confi gure advanced auditing, and perform backup/recovery Windows Server 2019 For Experienced Windows Server Users and IT Professionals • Your role: Experienced intermediate to-advanced level Windows Server user or IT professional • Prerequisites: Basic understanding of Windows Server procedures, techniques, and navigation
Learn how to use, deploy, and maintain Apache Spark with this comprehensive guide, written by the creators of the open-source cluster-computing framework. With an emphasis on improvements and new features in Spark 2.0, authors Bill Chambers and Matei Zaharia break down Spark topics into distinct sections, each with unique goals. Youâ??ll explore the basic operations and common functions of Sparkâ??s structured APIs, as well as Structured Streaming, a new high-level API for building end-to-end streaming applications. Developers and system administrators will learn the fundamentals of monitoring, tuning, and debugging Spark, and explore machine learning techniques and scenarios for employing MLlib, Sparkâ??s scalable machine-learning library. Get a gentle overview of big data and Spark Learn about DataFrames, SQL, and Datasetsâ??Sparkâ??s core APIsâ??through worked examples Dive into Sparkâ??s low-level APIs, RDDs, and execution of SQL and DataFrames Understand how Spark runs on a cluster Debug, monitor, and tune Spark clusters and applications Learn the power of Structured Streaming, Sparkâ??s stream-processing engine Learn how you can apply MLlib to a variety of problems, including classification or recommendation
Competitive advantage in banking comes from effective use of technology The Handbook of Banking Technology provides a blueprint for the future of banking, with deep insight into the technologies at the heart of the industry. The rapid evolution of IT brings continual change and demand for investment — yet keeping pace with these changes has become an essential part of doing business. This book describes how banks can harness the power of current and upcoming technology to add business value and gain a competitive advantage; you'll learn how banks are using technology to drive business today, and which emerging trends are likely to drive the evolution of banking over the next decade. Regulation is playing an ever increasing role in banking and the impact of regulatory change on technology and the management of it are discussed — while mandatory changes put pressure on many of our high street banking brands, their ability to adapt and utilise technology will have a fundamental impact on their success in the rapidly changing marketplace. Technology costs can amount to 15 per cent or more of operational costs and bank leaders need to be able to make informed decisions about technology investments in light of the potential benefits. This book explores the depth and breadth of banking technology to help decision makers stay up to date and drive better business. Assess your current technology against the new banking paradigms Procure the systems needed to protect the bottom line Implement newer technology more efficiently and effectively Ensure compliance and drive value with appropriate technology management Technological change is driven by mass adoption of new channels, innovation from new entrants, and by banks themselves as a means of increasing revenue and reducing costs. The Handbook of Banking Technology offers a comprehensive look at the role of technology in banking, and the impact it will have in the coming years.
Nursing Informatics and the Foundation of Knowledge, Sixth Edition is a comprehensive resource that helps nursing students make sense of nursing informatics by illustrating how to use and apply knowledge situationally within their professional practice alongside the latest technologies and tools. A practical guide for understanding how to efficiently use modern technology in today's healthcare system, this award-winning nursing textbook teaches students how to acquire, process and disseminate knowledge. The authors use their unique Foundation of Knowledge Model throughout as an organizational structure by which to learn and teach nursing informatics. This comprehensive framework guides students through the basic building blocks of nursing informatics (nursing science, information science, computer science, cognitive science) before divig into the most current technologies, tools, and trends in nursing informatics.
Find out how to secure and thrive in a work-from-home or remote-access job. Get out of your work clothes and into pajamas for good! Did you fall in love with working from home during the months of coronavirus restrictions? Is working in your pajamas appealing? Do you want to earn some income on the side? In 2020, the workplace has been transformed and working from home has exploded. It may, in fact, be the new reality of working for many of us, some full-time, some as a hybrid work scenario. With some information and expert guidance, you can transform your workday, take control of your time, and explore exciting new opportunities. Great Pajama Jobs: Your Complete Guide to Working from Home is your playbook. Until recently, you may have gone to an office that was uninspiring or chaotic, or spent a large part of your busy day responding to emails and working on computer–tasks that could easily be accomplished from home. You may have spent hours commuting each day. Then too, you may be a military spouse in search of an ideal remote job to take with you to a new base, or you may need to manage your personal health issues or caregiving duties. Or you may simply want to inch a little closer to a more favorable work-life balance. The truth is you may need the autonomy and flexibility of working remotely for a myriad of reasons. Great Pajama Jobs is your ultimate guide to finding a job where you can work remotely and advance your career while working in pajamas (or certainly something more comfortable than traditional work garb). Learn the nuts and bolts of how to land a remote-access job you love that will allow you to thrive in your career or bring in extra income in retirement Discover up-to-date resources for finding a solid work from home job for professionals Read insightful interviews with professionals who have already made the move successfully Learn more about leading companies recognized for providing remote employment opportunities Explore great remote jobs in a variety of fields There’s something here for everyone, a job-hunter’s smorgasbord. No, this is not the master list of every job under the sun, but you’ll discover plenty of ideas to spur your imagination about how you can make the most of your talents to create work that, well, works for you. Each job description follows this format: the nitty-gritty, pay range, and qualifications needed, with a smattering of job-hunting tips tossed in. In “Kerry’s Great Pajama Jobs Workshop,” you’ll reap the benefits of professional advice and strategies with information to help you land that work-from-home job, including a resume revamp, the best online job boards for home-based positions, tips on time management and organizing a productive home office, tax advice, and help with saving for retirement when you're on your own. Working from home is here, and it’s real. This year’s work-from-home mandates for many workers around the world, due to the coronavirus, has pushed many employers to embrace and trust remote work. Technology has already boosted the phenomenal growth of home-based employment in recent years and continues to do so. Remote jobs are popular for a good reason. They save you commute time and allow you to focus on completing your work productively and successfully, and they typically provide employers significant cost savings as well. You have the flexibility to choose career opportunities that do not require you to commit long hours inside an office environment. Experience all that a more flexible position can offer when you look to the guidance found in this remote employment roadmap. If you land home office work, comfortable work clothing or even PJs may be your wardrobe of the future. Great Pajama Jobs will help you get on track to finding the best remote job for you.
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 third edition—updated for Cassandra 4.0—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 nonrelational 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
Knowledge Discovery in Big Data from Astronomy and Earth Observation: Astrogeoinformatics bridges the gap between astronomy and geoscience in the context of applications, techniques and key principles of big data. Machine learning and parallel computing are increasingly becoming cross-disciplinary as the phenomena of Big Data is becoming common place. This book provides insight into the common workflows and data science tools used for big data in astronomy and geoscience. After establishing similarity in data gathering, pre-processing and handling, the data science aspects are illustrated in the context of both fields. Software, hardware and algorithms of big data are addressed. Finally, the book offers insight into the emerging science which combines data and expertise from both fields in studying the effect of cosmos on the earth and its inhabitants. - Addresses both astronomy and geosciences in parallel, from a big data perspective - Includes introductory information, key principles, applications and the latest techniques - Well-supported by computing and information science-oriented chapters to introduce the necessary knowledge in these fields