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New
The latest blog posts to take off on Hacker News. 1,888 posts.
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Learning from 20 years of personal analytics
Utilizing data analysis capabilities in Wolfram|Alpha Pro, Stephen Wolfram looks at his quantified self based on his large collection of lifelogging data.
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How FriendFeed uses MySQL to store schema-less data
We use MySQL for storing all of the data in FriendFeed . Our database has grown a lot as our user base has grown. We now store over 250 million entries and a bunch of other data, from comments and "likes" to friend lists.
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NoSQL Data Modeling Techniques
NoSQL databases are often compared by various non-functional criteria, such as scalability, performance, and consistency. This aspect of NoSQL is well-studied both in practice and theory because sp…
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How To Get Experience Working With Large Datasets
There are data sources out there, but which data source you choose depends on which technology you wish to get experience working with. The experience should be of the technologies you are using, rather than what the data is. Certain datasets pair better with certain technologies. Simulating the data can be another…
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MapReduce Patterns, Algorithms, and Use Cases
In this article I digested a number of MapReduce patterns and algorithms to give a systematic view of the different techniques that can be found on the web or scientific articles. Several practical…
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Machine Learning for Hackers Table of Contents
ZIA is a place for me to “think out loud,” about my current and future research. As the author, my goals are to share my ideas, highlight new research, and possibly develop new tools along the way.
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A Tour of Amazon's DynamoDB
Amazon’s recent release of DynamoDB, a database whose name is inspired by Dynamo, the key-value database the distributed datastore they’ve been running in production for a good five to six years now. I think it’s great they’ve finally done it, though from my obverservations, there’s little resemblance of what the…
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The Little Redis Book
Karl Seguin's Blog - A mix of coding and creative writing
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Amazon DynamoDB – a Fast and Scalable NoSQL Database Service from AWS
Today is a very exciting day as we release Amazon DynamoDB, a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. DynamoDB is the result of 15 years of learning in the areas of large scale non-relational databases and cloud services. Several years ago we published…
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Relational shell programming
Unix is a bestiary of ad hoc databases: comma-, colon-, tab- and space-separated tables. Think of /etc/* or /var/log/* , or of columnar commands.
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R programming for those coming from other languages
Things a programmer coming from another language needs to know about R, especially those things that might be most surprising
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Russian legislative elections 2011 - statistical evidence of vote fraud
You probably have heard about alleged vote fraud in the Russian legislative election 2011. You might even have seen videos about cases of vo...
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Postgresql 9.2 will have boat-loads of performance enhancements
This blog is about my work on the Postgres open source database, and is published on Planet PostgreSQL. PgLife allows monitoring of all Postgres community activity.
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Redis: Zero to Master in 30 minutes
Karl Seguin's Blog - A mix of coding and creative writing
1734
MongoDB and Riak, In Context (and an apology)
There has been quite a bit of furor and excitement on the Internet this week regarding some very public criticisms (and defenses) of MongoDB and its creators, 10gen . Unfortunately, a ghost from my recent past also resurfaced as a result. Let me begin by apologizing to 10gen and its engineers for what I said at JSConf…
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MongoDB 2.0 Should Have Been 1.0
Recapping the criticisms made about MongoDB.
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Underrated Features of PostgreSQL
Here are a list of features which I think are generally underrated in PostgreSQL and why. Many though not all of these are being used in t...
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Google+ launches ‘Ripples’ visualisation
After what appears to be have been a rapid and widespread take-up of its Google+ social media service, Google has now launched details of its 'Ripples' feature. Significantly, news of the release was made by Fernanda Viegas, one of the most prominent names in the field and co-leader, with Martin Wattenberg, of…
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