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At Yahoo! we have worked on the convergence of Storm with Hadoop, as mentioned in our earlier post. We are pleased to announce that Storm-YARN has been released as open source. Storm-YARN enables Storm applications to utilize the computational resources in a Hadoop cluster along with accessing Hadoop storage resources such as HBase and HDFS. MotivationCollocating real-time processing with batch pr
At Yahoo!, Hadoop plays a central role in providing personalized experiences for our users and creating value for our advertisers. To serve Yahoo!’s emerging business needs, the Cloud Engineering Group is working on a next generation platform that enables the convergence of big-data and low-latency processing. Figure 1. Personalization based on User InterestsFigure 1. Personalization based on Use
A lot has changed at Yahoo! last year. We have new leaders, we gained millions in new audience*, we saw engagement gains from Social Bar, and we released several successful mobile apps such as Flickr and Yahoo! Mail. But with all that change, there is one thing that has remained constant, and that is our commitment to pioneering new ground for Hadoop. I was well aware of the rich legacy behind Had
This table only reflects an overview of the pricing. Please review the entire pricing and payments for all Yahoo BOSS services. Overview of BOSS Geo Yahoo BOSS PlaceFinder Yahoo PlaceFinder is a geocoding Web service that helps developers make their applications location-aware by converting street addresses or place names into geographic coordinates (and vice versa). PlaceFinder recognizes a large
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I'm psyched to announce today the availability of Yahoo!’s Mojito in open source, a ground-breaking JavaScript framework developed by Yahoo! for Web developers. Mojito is one of the Yahoo! Cocktails, our JavaScript-centric presentation platform for connected devices. Notice how I said Mojito is targeted at Web developers. Why? Because we strongly believe in an open, unencumbered Web at Yahoo!. The
That's one small click for a developer, one giant leap for the performance community. Please welcome YSlow into the open source world! YSlow was created by Yahoo! and the extensions were released to the public for free since 2007. Yahoo! has maintained the source code for the last five years, encouraged by community feedback to make improvements to the code. We are now publishing the source code f
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Flickr recently finished a project that sped the html download of their pages to users by an average of 30%, by adding a proxy layer between the user request and the webservers. It seems counter-intuitive that you can actually improve the download time by adding an extra (non-caching) layer of machines. So, if the users and the Flickr webservers stayed in the same place, and we still use TCP and H
From its inception, YUI has been architected to be extremely modular and environment-agnostic, which makes it particularly well suited to serve as a foundation for Yahoo!'s Mojito, a part of the Cocktails project for the following reasons: YUI’s core abstraction layer provides a consistent API across all supported environments allowing Cocktails, and hence Livestand to deliver components which can
Developers, time to geek out. Yahoo! has been working behind the scenes for the past several months on an exciting new technology that we think will deeply impact the web developer community. We call it “Cocktails” and it’s the technology powering Livestand, which we launched today at Product Runway. “Cocktails” is a mix of HTML5, Node.JS, CSS3, JavaScript and a lot of ingenious, creative mind-ben
Mixer – The Data Service that Powers Yahoo! News Activity At the F8 developer conference, Yahoo! unveiled a new feature called Yahoo! News Activity. The feature, on Yahoo! News, represents the first rollout of our global social strategy to build on our leadership of deeply personalized content by adding friends to the mix, guiding you to more interesting content as your new ‘social editors’. The w
Ready to kick your Javascript Unit Testing up to the next level? Or even to the very first level? Javascript Unit Testing suffers from lack of standardization. There is no universal 'JUnit' or 'PHPUnit' to 'rule them all'. There are lots of very good Javascript testing frameworks available, especially YUI3's test framework. But there's not a lot beyond that, so now JUTE is throwing its hat in
yslow.org
YSlow for Mobile works as a bookmaklet. Users can now run the equivalent of regular YSlow in Mobile browsers as well as any bookmarklet enabled desktop browsers. Mobile Installation Instructions Option One - Bookmark This Page Bookmark this page; Edit the bookmark URL to remove everything up to and including the hash ("#"). The bookmark URL starts with "javascript:" as shown in the screenshot belo
At the Velocity Conference today, Yahoo! announced the launch of YSlow for Mobile, which brings YSlow’s web performance analysis to the mobile platform for the first time. YSlow for Mobile analyzes your mobile web site performance, and suggests ways to make mobile web pages load faster – right in your mobile device. It is a bookmarklet – an unobtrusive JavaScript program stored in a browser’s book
The Next Generation of MapReduce Analytics Powered by Apache Hadoop John Schroeder, CEO and Co-founder, MapR Technologies (Sponsored Talk)
Introduction In a typical Hadoop MapReduce job, input files are read from HDFS. Data are usually compressed to reduce the file sizes. After decompression, serialized bytes are transformed into Java objects before being passed to a user-defined map() function. Conversely, output records are serialized, compressed, and eventually pushed back to HDFS. This seemingly simple, two-way process is in fact
Last month the HCatalog project (formerly known as Howl) was accepted into the Apache Incubator. We have already branched for a 0.1 release, which we hope to push in the next few weeks. Given all this activity, I thought it would be a good time to write a post on the motivation behind HCatalog, what features it will provide, and who is working on it. Why Did We Create HCatalog? Out of the box Hado
Introduction In Module 4 you learned the basics of programming with Hadoop MapReduce. That module explains how data moves through a general MapReduce architecture, and what particular methods and classes facilitate the use of the Hadoop for processing. In this module we will look more closely at how to override Hadoop's functionality in various ways. These techniques allow you to customize Hadoop
YUI Test is a testing framework for browser-based JavaScript solutions. Using YUI Test, you can easily add unit testing to your JavaScript solutions. While not a direct port from any specific xUnit framework, YUI Test does derive some characteristics from nUnit and JUnit. YUI Test features: Rapid creation of test cases through simple syntax. Advanced failure detection for methods that throw errors
After the usual 30 minutes of socializing and networking, Milind Bhandarkar from LinkedIn, kicked off the evening with a really enlightening talk on "Scaling Hadoop Applications." As a well-respected Hadoop expert and a founding member of the Hadoop team at Yahoo in 2005, Milind was able to articulate the issues and solutions very succinctly. His talk was especially interesting because he tied wel
Introduction The previous post in this series covered the next generation of Apache Hadoop MapReduce in a broad sense, particularly its motivation, high-level architecture, goals, requirements, and aspects of its implementation. In the second post in a series unpacking details of the implementation, we’d like to present the protocol for resource allocation and scheduling that drives application e
Ever since YSlow for Firefox was first released, it has helped millions of developers analyze web pages and suggested ways for them to improve their websites' performance. YSlow ranks in the Top 25 for Best of 2 Billion Firefox Add-ons downloaded so far. We are very proud of where YSlow stands today and we continue to work hard to take it to the next level. Today's another "Hello World!" moment fo
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