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Every enterprise application creates data, whether it’s log messages, metrics, user activity, outgoing messages, or something else. And how to move all of this data becomes nearly as important as the data itself. If you’re an application architect, developer, or production engineer new to Apache Kafka, this practical guide shows you how to use this open source streaming platform to handle real-time data feeds. Engineers from Confluent and LinkedIn who are responsible for developing Kafka explain how to deploy production Kafka clusters, write reliable event-driven microservices, and build scalable stream-processing applications with this platform. Through detailed examples, you’ll learn Kafka’s design principles, reliability guarantees, key APIs, and architecture details, including the replication protocol, the controller, and the storage layer. Understand publish-subscribe messaging and how it fits in the big data ecosystem. Explore Kafka producers and consumers for writing and reading messages Understand Kafka patterns and use-case requirements to ensure reliable data delivery Get best practices for building data pipelines and applications with Kafka Manage Kafka in production, and learn to perform monitoring, tuning, and maintenance tasks Learn the most critical metrics among Kafka’s operational measurements Explore how Kafka’s stream delivery capabilities make it a perfect source for stream processing systems
The software architecture landscape has evolved dramatically over the past decade. Microservices have displaced monoliths. Data and applications are increasingly becoming distributed and decentralised. But composing disparate systems is a hard problem. More recently, software practitioners have been rapidly converging on event-driven architecture as a sustainable way of dealing with complexity - integrating systems without increasing their coupling.In Effective Kafka, Emil Koutanov explores the fundamentals of Event-Driven Architecture - using Apache Kafka - the world's most popular and supported open-source event streaming platform.You'll learn: - The fundamentals of event-driven architecture and event streaming platforms- The background and rationale behind Apache Kafka, its numerous potential uses and applications- The architecture and core concepts - the underlying software components, partitioning and parallelism, load-balancing, record ordering and consistency modes- Installation of Kafka and related tooling - using standalone deployments, clusters, and containerised deployments with Docker- Using CLI tools to interact with and administer Kafka classes, as well as publishing data and browsing topics- Using third-party web-based tools for monitoring a cluster and gaining insights into the event streams- Building stream processing applications in Java 11 using off-the-shelf client libraries- Patterns and best-practice for organising the application architecture, with emphasis on maintainability and testability of the resulting code- The numerous gotchas that lurk in Kafka's client and broker configuration, and how to counter them- Theoretical background on distributed and concurrent computing, exploring factors affecting their liveness and safety- Best-practices for running multi-tenanted clusters across diverse engineering teams, how teams collaborate to build complex systems at scale and equitably share the cluster with the aid of quotas- Operational aspects of running Kafka clusters at scale, performance tuning and methods for optimising network and storage utilisation- All aspects of Kafka security -including network segregation, encryption, certificates, authentication and authorization.The coverage is progressively delivered and carefully aimed at giving you a journey-like experience into becoming proficient with Apache Kafka and Event-Driven Architecture. The goal is to get you designing and building applications. And by the conclusion of this book, you will be a confident practitioner and a Kafka evangelist within your organisation - wielding the knowledge necessary to teach others.
Out of the massive research for an authoritative 1,500-page biography emerges this wunderkammer of 99 delightfully odd facts about Kafka In the course of compiling his highly acclaimed three-volume biography of Kafka, while foraying to libraries and archives from Prague to Israel, Reiner Stach made one astounding discovery after another: unexpected photographs, inconsistencies in handwritten texts, excerpts from letters, and testimonies from Kafka’s contemporaries that shed surprising light on his personality and his writing. Is that Kafka? presents the crystal granules of the real Kafka: he couldn’t lie, but he tried to cheat on his high-school exams; bitten by the fitness fad, he avidly followed the regime of a Danish exercise guru; he drew beautifully; he loved beer; he read biographies voraciously; he made the most beautiful presents, especially for children; odd things made him cry or made him furious; he adored slapstick. Every discovery by Stach turns on its head the stereotypical version of the tortured neurotic—and as each one chips away at the monolithic dark Kafka, the keynote, of all things, becomes laughter. For Is that Kafka? Stach has assembled 99 of his most exciting discoveries, culling the choicest, most entertaining bits, and adding his knowledge-able commentaries. Illustrated with dozens of previously unknown images, this volume is a singular literary pleasure.
The eagerly anticipated final volume of the award-winning, definitive biography of Franz Kafka How did Kafka become Kafka? This eagerly anticipated third and final volume of Reiner Stach's definitive biography of the writer answers that question with more facts and insight than ever before, describing the complex personal, political, and cultural circumstances that shaped the young Franz Kafka (1883–1924). It tells the story of the years from his birth in Prague to the beginning of his professional and literary career in 1910, taking the reader up to just before the breakthrough that resulted in his first masterpieces, including "The Metamorphosis." Brimming with vivid and often startling details, Stach’s narrative invites readers deep inside this neglected period of Kafka’s life. The book’s richly atmospheric portrait of his German Jewish merchant family and his education, psychological development, and sexual maturation draws on numerous sources, some still unpublished, including family letters, schoolmates’ memoirs, and early diaries of his close friend Max Brod. The biography also provides a colorful panorama of Kafka’s wider world, especially the convoluted politics and culture of Prague. Before World War I, Kafka lived in a society at the threshold of modernity but torn by conflict, and Stach provides poignant details of how the adolescent Kafka witnessed violent outbreaks of anti-Semitism and nationalism. The reader also learns how he developed a passionate interest in new technologies, particularly movies and airplanes, and why another interest—his predilection for the back-to-nature movement—stemmed from his “nervous” surroundings rather than personal eccentricity. The crowning volume to a masterly biography, this is an unmatched account of how a boy who grew up in an old Central European monarchy became a writer who helped create modern literature.
Based on a true story about Franz Kafka Inspired by a true story, Kafka and the Doll recounts a remarkable gesture of kindness from one of the world's most bewildering and iconic writers. In the fall of 1923, Franz Kafka encountered a distraught little girl on a walk in the park. She'd lost her doll and was inconsolable. Kafka told her the doll wasn't lost, but instead, traveling the world and having grand adventures! And to reassure her, Kafka began delivering letters from the doll to the girl for weeks. The legend of Kafka and the doll has captivated imaginations for decades as it reveals the playful and compassionate side of a man known for his dark and brooding tales. Kafka and the Doll is a testament to living life to the fullest and to the life-changing power of storytelling.
NATIONAL BESTSELLER • From the New York Times bestselling author of The Wind-Up Bird Chronicle and one of the world’s greatest storytellers comes "an insistently metaphysical mind-bender” (The New Yorker) about a teenager on the run and an aging simpleton. Now with a new introduction by the author. Here we meet 15-year-old runaway Kafka Tamura and the elderly Nakata, who is drawn to Kafka for reasons that he cannot fathom. As their paths converge, acclaimed author Haruki Murakami enfolds readers in a world where cats talk, fish fall from the sky, and spirits slip out of their bodies to make love or commit murder, in what is a truly remarkable journey. “As powerful as The Wind-Up Bird Chronicle.... Reading Murakami ... is a striking experience in consciousness expansion.” —The Chicago Tribune
Franz Kafka is by far the Prague author most widely read and admired internationally. However, his reception in Czechoslovakia, launched by the Liblice conference in 1963, has been conflicted. While rescuing Kafka from years of censorship and neglect, Czech critics of the 1960s “overwrote” his German and Jewish literary and cultural contexts in order to focus on his Czech cultural connections. Seeking to rediscover Kafka’s multiple backgrounds, in Franz Kafka and His Prague Contexts Marek Nekula focuses on Kafka’s Jewish social and literary networks in Prague, his German and Czech bilingualism, and his knowledge of Yiddish and Hebrew. Kafka’s bilingualism is discussed in the context of contemporary essentialist views of a writer’s organic language and identity. Nekula also pays particular attention to Kafka’s education, examining his studies of Czech language and literature as well as its role in his intellectual life. The book concludes by asking how Kafka read his urban environment, looking at the readings of Prague encoded in his fictional and nonfictional texts. ‘Nekula’s work has had a major impact on our understanding of Kafka’s relation to the complex social, cultural and linguistic environment of early twentieth‑century Prague. While little of this work has been available in English until now, the present volume translates many of his most important studies, and includes revisions and expansions appearing now for the first time. Nekula challenges stubborn clichés and opens important new perspectives: readers interested in questions relating to Kafka and Prague will find this an essential and richly rewarding book.’ – Peter Zusi, University College London ‘Marek Nekula’s important book originally situates Franz Kafka within his Pragueand Czech contexts. It critically examines numerous distortions that accompanied the reception of Kafka, starting with the central issue of Kafka’s languages(Kafka’s Czech, Prague German), and the ideological discourse surrounding the author in communist Czechoslovakia. Astute and carefully argued, Franz Kafka and his Prague Contexts offers new perspectives on the writings of the Prague author. This book will benefit readers in German and Slavic Studies, in Comparative Literature, and History of Ideas.’ – Veronika Tuckerová, Harvard University Marek Nekula připravil soubor studií o tom, jak Praha formovala Kafkovu osobnost a dílo. Kniha začíná kritickou diskuzí o problematickém přijímání Franze Kafky v Československu, které začalo na konferenci v Liblici v roce 1963. Zde byl Kafka zachráněn před cenzurou za cenu "přepsání" jeho německého a židovského literárního a kulturního kontextu s cílem vyzdvihnout český vliv na jeho tvorbu. Studie se zaměřují na židovské sociální a literární prostředí v Praze, Kafkovu německo-českou dvojjazyčnost a jeho znalost jidiš a hebrejštiny. Kafkův bilingvismus je probírán v kontextu současných esencialistických názorů na spisovatelův jazyk a identitu. Nekula také věnuje zvláštní pozornost Kafkovu vzdělání, zkoumá jeho studia českého jazyka a literatury, jakož i jeho českou četbu a její roli v jeho intelektuálním životě. Knihu uzavírá otázkou, jak Kafka „četl“ své městské prostředí.
Working with unbounded and fast-moving data streams has historically been difficult. But with Kafka Streams and ksqlDB, building stream processing applications is easy and fun. This practical guide shows data engineers how to use these tools to build highly scalable stream processing applications for moving, enriching, and transforming large amounts of data in real time. Mitch Seymour, data services engineer at Mailchimp, explains important stream processing concepts against a backdrop of several interesting business problems. You'll learn the strengths of both Kafka Streams and ksqlDB to help you choose the best tool for each unique stream processing project. Non-Java developers will find the ksqlDB path to be an especially gentle introduction to stream processing. Learn the basics of Kafka and the pub/sub communication pattern Build stateless and stateful stream processing applications using Kafka Streams and ksqlDB Perform advanced stateful operations, including windowed joins and aggregations Understand how stateful processing works under the hood Learn about ksqlDB's data integration features, powered by Kafka Connect Work with different types of collections in ksqlDB and perform push and pull queries Deploy your Kafka Streams and ksqlDB applications to production
DIV Franz Kafka was the poet of his own disorder. Throughout his life he struggled with a pervasive sense of shame and guilt that left traces in his daily existence—in his many letters, in his extensive diaries, and especially in his fiction. This stimulating book investigates some of the sources of Kafka’s personal anguish and its complex reflections in his imaginary world. In his query, Saul Friedländer probes major aspects of Kafka’s life (family, Judaism, love and sex, writing, illness, and despair) that until now have been skewed by posthumous censorship. Contrary to Kafka’s dying request that all his papers be burned, Max Brod, Kafka’s closest friend and literary executor, edited and published the author’s novels and other works soon after his death in 1924. Friedländer shows that, when reinserted in Kafka’s letters and diaries, deleted segments lift the mask of “sainthood� frequently attached to the writer and thus restore previously hidden aspects of his individuality. /div