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New
The latest blog posts to take off on Hacker News. 4,225 posts.
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Using Python and heat maps to determine the best place to aim on a dart board
Over break I went out with a buddy of mine and played some darts. This got me to thinking, where exactly should someone aim in order t...
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MongoDB, Data Durability and Improvements coming in 1.8
Last weekend I tweeted two links to two tweets by a poor guy who apparently got his MongoDB database into an unrecoverable state during shutdown whilst upgrading to a newer version. That tweet quickly made the rounds, and the next morning I saw myself staring at replies stating that it was all his fault, because he…
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Cassandra vs MongoDB vs CouchDB vs Redis vs Riak comparison
The big Cassandra vs Mongodb vs CouchDB vs Redis, vs Riak vs HBase vs Couchbase (ex-Membase) vs OrientDB vs Aerospike vs Neo4j vs Hypertable vs ElasticSearch vs Accumulo vs VoltDB vs Scalaris vs RethinkDB vs Kyoto Tycoon comparison. While SQL databases are insanely useful tools, their monopoly in the last decades is…
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A table that should exist in all projects with a database
Links to social profiles of Ioannis Cherouvim
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The Best Free and Open Source Data Mining Software
The process of extracting patterns from data is called data mining. It is recognized as an essential tool by modern business since it is ab...
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Peewee, a lightweight python ORM
For the past month or so I've been working on writing my own ORM in Python. The project grew out of a need for a lightweight persistence layer for use in Flask web apps. As I've grown so familiar with the Django ORM over the past year, many of the ideas in Peewee are analagous to the concepts in Django. My goal from…
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W3C Working Group Just Killed Web SQL Database
Copyright © 2010 W3C ® ( MIT , ERCIM , Keio ), All Rights Reserved. W3C liability , trademark and document use rules apply.
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The Incredible Power of the Amazon EC2 Cluster GPU Instances
Today Amazon Web Services takes another step on the continuous innovation path by announcing a new Amazon EC2 instance type: The Cluster GPU Instance. Based on the Cluster Compute instance type, the Cluster GPU instance adds two NVIDIA Telsa M2050 GPUs offering GPU-based computational power of over one TeraFLOPS per…
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Announcing Google Refine 2.0, a power tool for data wranglers
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
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Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server
UPDATE: Oracle officially released memcached daemon plugin that talks with InnoDB. I'm glad to see that NoSQL+MySQL has become an official ...
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mrjob: Yelp open sources its Elastic MapReduce framework for Python
mrjob: Distributed Computing for Everybody Dave M Search and Data-Mining Engineer Oct 29, 2010 Ever wonder how we power the People Who Viewed this Also Viewed… feature? How does Yelp...
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12 Months with MongoDB
As previously blogged , Wordnik is a heavy user of 10gen’s MongoDB . One year ago today we started the investigation to find an alternative to MySQL to store, find, and retrieve our corpus data. After months of experimentation in the non-relational landscape (and running a scary number of nightly builds), we settled…
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Redis, from the Ground Up
A deep dive into the data structure server: origins, design decisions, feature set, applications, and more.
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Mysql "Swap Insanity"
Update: Also read A brief update on NUMA and MySQL. The “swap insanity” problem, in brief When running MySQL on a large system (e.g., 64GB RAM and dual quad core CPUs) with a large Inno…
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