文件名称:
Spark Graphx in Action
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文件大小: 17mb
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上传时间: 2016-12-26
详细说明： Note that for the generic terms spark and graphs we had to substitute the overly spe- cific Apache Spark and edges and vertices, but the trends can still be seen. A couple of these technologies, machine learning and graphs, have long histories within academic co mputer science and are attracting new interest in the commercial realm as the avail- ability of Big Data is now mainstreaming these technologies. If you studied these tech- nologies in school as theory, the world is ready now for you to put them into practice. A lot of companies, including the ones we work for and have worked for in the past, have put Spark—though not necessarily GraphX—into production. This makes it more than just a little convenient when embarking on prototyping graph solutions to try GraphX first. If you have a Spark cluster already, or if you decide to spin up a Spark cluster in the cloud, such as with Databricks or Amazon, you can get started with graphs without having to set up a new graph-specific cluster or technology, and you can use your Spark skills in the GraphX API. As more and more applications of graphs hit the newsstands—from rooting out terrorist networks on Twitter to fraud detection in credit card transaction data—GraphX becomes an easy platform choice for trying them out. In this book, we simultaneously take on two ambitious goals: to cover everything possible about Spark GraphX, and to assume little to no expertise about any of the technologies represented by the aforementioned buzzwords. The biggest challenge was the hefty amount of prerequisites to get into GraphX—specifically, Spark, Scala, and graphs. Other challenges were the extensive GraphX API and the many different ways graphs can be used. The result is an In Action book that differs a bit from others: it takes a while to get started, with the first five chapters laying the groundwork, and there are a number of interesting examples rather than one that gradually gets built up over the course of the book. In books about other technologies the reader might come with a problem to solve; this book attempts to demystify graphs by showing pre- cisely what problems graphs can solve. And it does so without assuming a lot of back- ground knowledge and experience. ...展开收缩
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