Apache

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596002033
Total Pages : 591 pages
Book Rating : 4.5/5 (96 download)

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Book Synopsis Apache by : Ben Laurie

Download or read book Apache written by Ben Laurie and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the history of the Web server platform and covers downloading and compiling, configuring and running the program on UNIX, writing specialized modules, and establishing security routines.

The Programmer's Guide to Apache Thrift

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Publisher : Manning Publications
ISBN 13 : 9781617291814
Total Pages : 0 pages
Book Rating : 4.2/5 (918 download)

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Book Synopsis The Programmer's Guide to Apache Thrift by : Randy Abernethy

Download or read book The Programmer's Guide to Apache Thrift written by Randy Abernethy and published by Manning Publications. This book was released on 2018-04-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Any distributed application includes individual components, often written in different languages and hosted in multiple locations, which must communicate quickly and efficiently. Apache Thrift is a communication framework that enables cross-language remote procedure calls and serialization. It supports embedded, mobile, web, and server environments, and a host of languages ranging from JavaScript to C++. It's perfect for back end services and embedded systems where size, scalability, and performance are mission critical. Programmer's Guide to Apache Thrift provides comprehensive coverage of the Apache Thrift framework along with a developer's-eye view of modern distributed application architecture. Packed with complete code examples and pragmatic discussion, it lays the best practices for multi-language distributed application development. Readers will get a guided tour through transports, protocols, IDL, and servers as they explore complete example programs in C++, Java, and Python. They'll also learn how to work with platforms, ranging from enterprise servers to mobile clients. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

Apache Server for Windows Little Black Book

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Publisher : Coriolis Group Books
ISBN 13 : 9781576103913
Total Pages : 386 pages
Book Rating : 4.1/5 (39 download)

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Book Synopsis Apache Server for Windows Little Black Book by : Greg Holden

Download or read book Apache Server for Windows Little Black Book written by Greg Holden and published by Coriolis Group Books. This book was released on 1999 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Readers will find hundreds of immediate solutions for turning Apache into a powerhouse Web server. Key topics include setting up a virtual Web site, mastering security, creating optimized CGI scripts, tuning and customizing Apache servers, using the Apache Module API, setting up Apache as a proxy server, and setting up commerce sites.

Guide to Apache

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Publisher : Course Technology
ISBN 13 : 9781418837532
Total Pages : 0 pages
Book Rating : 4.8/5 (375 download)

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Book Synopsis Guide to Apache by : Ed Sawicki

Download or read book Guide to Apache written by Ed Sawicki and published by Course Technology. This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apache Web Server is a hands-on, practical guide that can be used to master installation, configuration, and troubleshooting of the Apache Web server. The book takes a multiplatform approach, teaching the reader how to run Apache with any Linux distribution or Windows. Key topics include installation, configuration, modularity, virtual hosting, security and SSL, access controls, Server Side Includes (SSI) and CGI, HTTP caching, and troubleshooting. The book also provides examples of sample commands and output, plus screen shots of related graphical utilities.

Apache Superset Quick Start Guide

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Publisher : Packt Publishing Ltd
ISBN 13 : 1788999568
Total Pages : 184 pages
Book Rating : 4.7/5 (889 download)

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Book Synopsis Apache Superset Quick Start Guide by : Shashank Shekhar

Download or read book Apache Superset Quick Start Guide written by Shashank Shekhar and published by Packt Publishing Ltd. This book was released on 2018-12-19 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrate open source data analytics and build business intelligence on SQL databases with Apache Superset. The quick, intuitive nature for data visualization in a web application makes it easy for creating interactive dashboards. Key FeaturesWork with Apache Superset's rich set of data visualizationsCreate interactive dashboards and data storytellingEasily explore dataBook Description Apache Superset is a modern, open source, enterprise-ready business intelligence (BI) web application. With the help of this book, you will see how Superset integrates with popular databases like Postgres, Google BigQuery, Snowflake, and MySQL. You will learn to create real time data visualizations and dashboards on modern web browsers for your organization using Superset. First, we look at the fundamentals of Superset, and then get it up and running. You'll go through the requisite installation, configuration, and deployment. Then, we will discuss different columnar data types, analytics, and the visualizations available. You'll also see the security tools available to the administrator to keep your data safe. You will learn how to visualize relationships as graphs instead of coordinates on plain orthogonal axes. This will help you when you upload your own entity relationship dataset and analyze the dataset in new, different ways. You will also see how to analyze geographical regions by working with location data. Finally, we cover a set of tutorials on dashboard designs frequently used by analysts, business intelligence professionals, and developers. What you will learnGet to grips with the fundamentals of data exploration using SupersetSet up a working instance of Superset on cloud services like Google Compute EngineIntegrate Superset with SQL databasesBuild dashboards with SupersetCalculate statistics in Superset for numerical, categorical, or text dataUnderstand visualization techniques, filtering, and grouping by aggregationManage user roles and permissions in SupersetWork with SQL LabWho this book is for This book is for data analysts, BI professionals, and developers who want to learn Apache Superset. If you want to create interactive dashboards from SQL databases, this book is what you need. Working knowledge of Python will be an advantage but not necessary to understand this book.

Spark: The Definitive Guide

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491912294
Total Pages : 594 pages
Book Rating : 4.4/5 (919 download)

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Book Synopsis Spark: The Definitive Guide by : Bill Chambers

Download or read book Spark: The Definitive Guide written by Bill Chambers and published by "O'Reilly Media, Inc.". This book was released on 2018-02-08 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

HTTP: The Definitive Guide

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1565925092
Total Pages : 656 pages
Book Rating : 4.5/5 (659 download)

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Book Synopsis HTTP: The Definitive Guide by : David Gourley

Download or read book HTTP: The Definitive Guide written by David Gourley and published by "O'Reilly Media, Inc.". This book was released on 2002-09-27 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide gives a complete and detailed description of the HTTP protocol and how it shapes the landscape of the Web by the technologies that it supports.

Apache Cookbook

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596551878
Total Pages : 257 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Apache Cookbook by : Ken Coar

Download or read book Apache Cookbook written by Ken Coar and published by "O'Reilly Media, Inc.". This book was released on 2003-11-18 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apache is far and away the most widely used web server platform in the world. Both free and rock-solid, it runs more than half of the world's web sites, ranging from huge e-commerce operations to corporate intranets and smaller hobby sites, and it continues to maintain its popularity, drawing new users all the time. If you work with Apache on a regular basis, you have plenty of documentation on installing and configuring your server, but where do you go for help with the day-to-day stuff, like adding common modules or fine-tuning your activity logging?The Apache Cookbook is a collection of problems, solutions, and practical examples for webmasters, web administrators, programmers, and everyone else who works with Apache. For every problem addressed in the book, there's a worked-out solution or "recipe"--short, focused pieces of code that you can use immediately. But this book offers more than cut-and-paste code. You also get explanations of how and why the code works, so you can adapt the problem-solving techniques to similar situations.The recipes in the Apache Cookbook range from simple tasks, such installing the server on Red Hat Linux or Windows, to more complex tasks, such as setting up name-based virtual hosts or securing and managing your proxy server. The two hundred plus recipes in the book cover additional topics such as: Security Aliases, Redirecting, and Rewriting CGI Scripts, the suexec Wrapper, and other dynamic content techniques Error Handling SSL Performance The impressive collection of useful code in this book is a guaranteed timesaver for all Apache users, from novices to advanced practitioners. Instead of poking around mailing lists, online documentation, and other sources, you can rely on the Apache Cookbook for quick solutions to common problems, and then you can spend your time and energy where it matters most.

Kafka: The Definitive Guide

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491936118
Total Pages : 315 pages
Book Rating : 4.4/5 (919 download)

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Book Synopsis Kafka: The Definitive Guide by : Neha Narkhede

Download or read book Kafka: The Definitive Guide written by Neha Narkhede and published by "O'Reilly Media, Inc.". This book was released on 2017-08-31 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Apache Ignite Quick Start Guide

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Author :
Publisher : Packt Publishing Ltd
ISBN 13 : 1789344069
Total Pages : 253 pages
Book Rating : 4.7/5 (893 download)

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Book Synopsis Apache Ignite Quick Start Guide by : Sujoy Acharya

Download or read book Apache Ignite Quick Start Guide written by Sujoy Acharya and published by Packt Publishing Ltd. This book was released on 2018-11-30 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Build efficient, high-performance & scalable systems to process large volumes of data with Apache Ignite Key FeaturesUnderstand Apache Ignite's in-memory technologyCreate High-Performance app components with IgniteBuild a real-time data streaming and complex event processing systemBook Description Apache Ignite is a distributed in-memory platform designed to scale and process large volume of data. It can be integrated with microservices as well as monolithic systems, and can be used as a scalable, highly available and performant deployment platform for microservices. This book will teach you to use Apache Ignite for building a high-performance, scalable, highly available system architecture with data integrity. The book takes you through the basics of Apache Ignite and in-memory technologies. You will learn about installation and clustering Ignite nodes, caching topologies, and various caching strategies, such as cache aside, read and write through, and write behind. Next, you will delve into detailed aspects of Ignite’s data grid: web session clustering and querying data. You will learn how to process large volumes of data using compute grid and Ignite’s map-reduce and executor service. You will learn about the memory architecture of Apache Ignite and monitoring memory and caches. You will use Ignite for complex event processing, event streaming, and the time-series predictions of opportunities and threats. Additionally, you will go through off-heap and on-heap caching, swapping, and native and Spring framework integration with Apache Ignite. By the end of this book, you will be confident with all the features of Apache Ignite 2.x that can be used to build a high-performance system architecture. What you will learnUse Apache Ignite’s data grid and implement web session clusteringGain high performance and linear scalability with in-memory distributed data processingCreate a microservice on top of Apache Ignite that can scale and performPerform ACID-compliant CRUD operations on an Ignite cacheRetrieve data from Apache Ignite’s data grid using SQL, Scan and Lucene Text queryExplore complex event processing concepts and event streamingIntegrate your Ignite app with the Spring frameworkWho this book is for The book is for Big Data professionals who want to learn the essentials of Apache Ignite. Prior experience in Java is necessary.

Machine Learning with Apache Spark Quick Start Guide

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Publisher : Packt Publishing Ltd
ISBN 13 : 1789349370
Total Pages : 233 pages
Book Rating : 4.7/5 (893 download)

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Book Synopsis Machine Learning with Apache Spark Quick Start Guide by : Jillur Quddus

Download or read book Machine Learning with Apache Spark Quick Start Guide written by Jillur Quddus and published by Packt Publishing Ltd. This book was released on 2018-12-26 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combine advanced analytics including Machine Learning, Deep Learning Neural Networks and Natural Language Processing with modern scalable technologies including Apache Spark to derive actionable insights from Big Data in real-time Key FeaturesMake a hands-on start in the fields of Big Data, Distributed Technologies and Machine LearningLearn how to design, develop and interpret the results of common Machine Learning algorithmsUncover hidden patterns in your data in order to derive real actionable insights and business valueBook Description Every person and every organization in the world manages data, whether they realize it or not. Data is used to describe the world around us and can be used for almost any purpose, from analyzing consumer habits to fighting disease and serious organized crime. Ultimately, we manage data in order to derive value from it, and many organizations around the world have traditionally invested in technology to help process their data faster and more efficiently. But we now live in an interconnected world driven by mass data creation and consumption where data is no longer rows and columns restricted to a spreadsheet, but an organic and evolving asset in its own right. With this realization comes major challenges for organizations: how do we manage the sheer size of data being created every second (think not only spreadsheets and databases, but also social media posts, images, videos, music, blogs and so on)? And once we can manage all of this data, how do we derive real value from it? The focus of Machine Learning with Apache Spark is to help us answer these questions in a hands-on manner. We introduce the latest scalable technologies to help us manage and process big data. We then introduce advanced analytical algorithms applied to real-world use cases in order to uncover patterns, derive actionable insights, and learn from this big data. What you will learnUnderstand how Spark fits in the context of the big data ecosystemUnderstand how to deploy and configure a local development environment using Apache SparkUnderstand how to design supervised and unsupervised learning modelsBuild models to perform NLP, deep learning, and cognitive services using Spark ML librariesDesign real-time machine learning pipelines in Apache SparkBecome familiar with advanced techniques for processing a large volume of data by applying machine learning algorithmsWho this book is for This book is aimed at Business Analysts, Data Analysts and Data Scientists who wish to make a hands-on start in order to take advantage of modern Big Data technologies combined with Advanced Analytics.

Next-Generation Big Data

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Publisher : Apress
ISBN 13 : 1484231473
Total Pages : 572 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Next-Generation Big Data by : Butch Quinto

Download or read book Next-Generation Big Data written by Butch Quinto and published by Apress. This book was released on 2018-06-12 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Utilize this practical and easy-to-follow guide to modernize traditional enterprise data warehouse and business intelligence environments with next-generation big data technologies. Next-Generation Big Data takes a holistic approach, covering the most important aspects of modern enterprise big data. The book covers not only the main technology stack but also the next-generation tools and applications used for big data warehousing, data warehouse optimization, real-time and batch data ingestion and processing, real-time data visualization, big data governance, data wrangling, big data cloud deployments, and distributed in-memory big data computing. Finally, the book has an extensive and detailed coverage of big data case studies from Navistar, Cerner, British Telecom, Shopzilla, Thomson Reuters, and Mastercard. What You’ll Learn Install Apache Kudu, Impala, and Spark to modernize enterprise data warehouse and business intelligence environments, complete with real-world, easy-to-follow examples, and practical advice Integrate HBase, Solr, Oracle, SQL Server, MySQL, Flume, Kafka, HDFS, and Amazon S3 with Apache Kudu, Impala, and Spark Use StreamSets, Talend, Pentaho, and CDAP for real-time and batch data ingestion and processing Utilize Trifacta, Alteryx, and Datameer for data wrangling and interactive data processing Turbocharge Spark with Alluxio, a distributed in-memory storage platform Deploy big data in the cloud using Cloudera Director Perform real-time data visualization and time series analysis using Zoomdata, Apache Kudu, Impala, and Spark Understand enterprise big data topics such as big data governance, metadata management, data lineage, impact analysis, and policy enforcement, and how to use Cloudera Navigator to perform common data governance tasks Implement big data use cases such as big data warehousing, data warehouse optimization, Internet of Things, real-time data ingestion and analytics, complex event processing, and scalable predictive modeling Study real-world big data case studies from innovative companies, including Navistar, Cerner, British Telecom, Shopzilla, Thomson Reuters, and Mastercard Who This Book Is For BI and big data warehouse professionals interested in gaining practical and real-world insight into next-generation big data processing and analytics using Apache Kudu, Impala, and Spark; and those who want to learn more about other advanced enterprise topics

Apache Tomcat 7 User Guide

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Publisher : Fultus Corporation
ISBN 13 : 1596822716
Total Pages : 255 pages
Book Rating : 4.5/5 (968 download)

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Book Synopsis Apache Tomcat 7 User Guide by : The Apache Software Foundation

Download or read book Apache Tomcat 7 User Guide written by The Apache Software Foundation and published by Fultus Corporation. This book was released on 2011-09 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apache Tomcat (or Jakarta Tomcat or simply Tomcat) is an open source servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications.

Big Data SMACK

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Publisher : Apress
ISBN 13 : 1484221753
Total Pages : 277 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Big Data SMACK by : Raul Estrada

Download or read book Big Data SMACK written by Raul Estrada and published by Apress. This book was released on 2016-09-29 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn how to integrate full-stack open source big data architecture and to choose the correct technology—Scala/Spark, Mesos, Akka, Cassandra, and Kafka—in every layer. Big data architecture is becoming a requirement for many different enterprises. So far, however, the focus has largely been on collecting, aggregating, and crunching large data sets in a timely manner. In many cases now, organizations need more than one paradigm to perform efficient analyses. Big Data SMACK explains each of the full-stack technologies and, more importantly, how to best integrate them. It provides detailed coverage of the practical benefits of these technologies and incorporates real-world examples in every situation. This book focuses on the problems and scenarios solved by the architecture, as well as the solutions provided by every technology. It covers the six main concepts of big data architecture and how integrate, replace, and reinforce every layer: The language: Scala The engine: Spark (SQL, MLib, Streaming, GraphX) The container: Mesos, Docker The view: Akka The storage: Cassandra The message broker: Kafka What You Will Learn: Make big data architecture without using complex Greek letter architectures Build a cheap but effective cluster infrastructure Make queries, reports, and graphs that business demands Manage and exploit unstructured and No-SQL data sources Use tools to monitor the performance of your architecture Integrate all technologies and decide which ones replace and which ones reinforce Who This Book Is For: Developers, data architects, and data scientists looking to integrate the most successful big data open stack architecture and to choose the correct technology in every layer

The Apache Ignite Book

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Publisher : Lulu.com
ISBN 13 : 0359439373
Total Pages : 642 pages
Book Rating : 4.3/5 (594 download)

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Book Synopsis The Apache Ignite Book by : Michael Zheludkov

Download or read book The Apache Ignite Book written by Michael Zheludkov and published by Lulu.com. This book was released on 2019-02-25 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apache Ignite is one of the most widely used open source memory-centric distributed, caching, and processing platform. This allows the users to use the platform as an in-memory computing framework or a full functional persistence data stores with SQL and ACID transaction support. On the other hand, Apache Ignite can be used for accelerating existing Relational and NoSQL databases, processing events & streaming data or developing Microservices in fault-tolerant fashion. This book addressed anyone interested in learning in-memory computing and distributed database. This book intends to provide someone with little to no experience of Apache Ignite with an opportunity to learn how to use this platform effectively from scratch taking a practical hands-on approach to learning. Please see the table of contents for more details.

Apache Server 2.0

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Publisher : Network Professional's Library
ISBN 13 : 9780072191837
Total Pages : 0 pages
Book Rating : 4.1/5 (918 download)

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Book Synopsis Apache Server 2.0 by : Kate Wrightson

Download or read book Apache Server 2.0 written by Kate Wrightson and published by Network Professional's Library. This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get up-to-speed quickly on running a network using Apache Server with this introductory guide. Aimed at administrators new to Apache, this practical guide offers tips for running Apache on multiple platforms and contains clear, straightforward advice for administering Apache effectively in today's Web environment.

Apache Pulsar in Action

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Author :
Publisher : Simon and Schuster
ISBN 13 : 1617296880
Total Pages : 398 pages
Book Rating : 4.6/5 (172 download)

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Book Synopsis Apache Pulsar in Action by : David Kjerrumgaard

Download or read book Apache Pulsar in Action written by David Kjerrumgaard and published by Simon and Schuster. This book was released on 2021-12-14 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed applications demand reliable, high-performance messaging. The Apache Pulsar server-to-server messaging system provides a secure, stable platform without the need for a stream processing engine like Spark. Contributed by Yahoo to the Apache Foundation, Pulsar is mature and battle-tested, handling millions of messages per second for over three years at Yahoo. Apache Pulsar in Action is a comprehensive and practical guide to building high-traffic applications with Pulsar, delivering extreme levels of speed and durability. about the technology Pulsar is a streaming messaging system designed for high performance server-to-server messaging. Built and tested under intense conditions at Yahoo, Pulsar has been proven in production and can handle millions of messages per second. Now free and open-source, Pulsar''s unique architecture helps solve some of the challenges of modern development. Pulsar avoids latency in streaming data transmission, making it a powerful tool for IoT Edge analytics. Its unified messaging model improves the performance of microservices architecture, and its tiered storage capabilities allow for larger volumes of data to be handled without fear of data loss. Pulsar''s flexible API interface works with Java, C++, Python, and Go, making it easy to incorporate Pulsar into your stack. about the book Apache Pulsar in Action is a hands-on guide to building scalable streaming messaging systems for distributed applications and microservices systems. You''ll start with Pulsar''s fundamentals, each illustrated by real-world examples, as you get to grips with Pulsar''s unique architecture. Pulsar contributor David Kjerrumgaard teaches the skills you need to deploy a Pulsar server, ingest data from third-party systems, and deploy lightweight computing logic with simple functions. You''ll learn to employ Pulsar''s seamless scalability through relatable case studies, including an IOT analytics application that can be deployed within a resource constrained environment and a microservices application based on Pulsar functions. At the end of this practical book, you''ll be ready to fully take advantage of Pulsar to create high-traffic message-driven applications. what''s inside Publish from Apache Pulsar into third-party data repositories and platforms Design and develop Apache Pulsar functions Perform interactive SQL queries against data stored in Apache Pulsar Examples of Pulsar-based microservices that you can download and try yourself about the reader Written for experienced Java developers. No prior knowledge of Pulsar is needed. about the author David Kjerrumgaard is the Director of Solution Architecture at Streamlio, and a contributor to the Apache Pulsar and Apache NiFi projects.