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Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 2,338 posts.
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Why I chose Clojure/CouchDB for a new site
Get a new domain name for your startup. Quick and professional service. Seamless domain transfers.
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Pipeworld: Spreadsheet Dataflow Computing (2021)
Now for something completely different. In the spiritual vein of One Night in Rio: Vacation photos from Plan9 and AWK for multimedia, here is a tool that is the link that ties almost all the projec…
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Million Lines of Code - Infographic
Is a million lines of code a lot? How many lines of code are there in Windows? Facebook? iPhone apps? Let our data-visualization program your brain.
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NoSQL, Heroku, and You
Why NoSQL Matters “NoSQL” is a label which encompasses a wave of innovation now happening in the database space. The NoSQL movement has sparked a whirlwind
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Peritext: A CRDT for Rich-Text Collaboration
Collaboration on rich text is hard to model with plain-text approaches. We review the challenges and how to construct a CRDT for rich text.
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Flickr reverse engineers the shapes of continents, countries, cities, and neighborhoods.
Almost ninety million, as I write this, and the numbers keep growing especially as nearly every new smart phone released to market has not only a camera but also the ability to capture location information with it.
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Performance Tuning PostgreSQL
Tuning your PostgreSQL database is somewhat of a black art. While documentation does exist on the topic, many people still find it hard to get all the power out of their system. This article aims to help.
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Python + Hadoop = Dumbo
As a research intern here at Last.fm, dealing with huge datasets has become my daily bread. Having a herd of yellow elephants at my disposal makes this a lot easier, but the conventional way of writing Hadoop programs can be rather cumbersome. It generally involves lots of typing, compiling, building, and moving files…
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Netflix prize competitor: With the best algorithms, metadata becomes worthless
Movie data. Most of the top teams competing in the netflix challenge must have had to answer a lot of questions about movie data. Here is an...
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Stack Overflow Creative Commons Data Dump
We decided early on that all user-generated content on Stack Overflow would be under a Creative Commons license . All those great Stack Overflow questions, answers, and comments, so generously contributed by all of you , are licensed under cc-wiki (also known as cc-by-sa ):
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Atomic Commit in SQLite (2007)
An important feature of transactional databases like SQLite is "atomic commit". Atomic commit means that either all database changes within a single transaction occur or none of them occur. With atomic commit, it is as if many different writes to different sections of the database file occur instantaneously and…
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NYTimes.com Announces Map/Reduce Toolkit
Recently we’ve been exploring the on-demand storage and computation tools offered by Amazon Web Services, along with an open-source toolkit called Apache Hadoop. The result is many computers working together to answer questions about our users.
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Official Google Blog: Sorting 1PB with MapReduce
Insights from Googlers into our products, technology, and the Google culture