June 2014
Intermediate to advanced
300 pages
7h 12m
English
Content preview from Seven Concurrency Models in Seven WeeksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Day 2: The Batch Layer
Yesterday we saw how we could use Hadoop to parallelize across a cluster of machines. MapReduce can be used to solve a huge range of problems, but today we’re going to concentrate on how it fits into the Lambda Architecture.
Before we look at that, however, let’s consider the problem that the Lambda Architecture exists to solve—what’s wrong with traditional data systems?
Problems with Traditional Data Systems
Data systems are nothing new—we’ve been using databases to answer questions about the data stored within them for almost as long as computers have existed. Traditional databases work well up to a point, but the volume of data we’re trying to handle these days is pushing them beyond the point where they can cope. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.