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Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 113 posts.
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Introducing DataFrames in Spark for Large Scale Data Science
Introducing Apache Spark's DataFrame API for easier, efficient big data processing and data science applications.
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RethinkDB 2.1 beta: automatic failover with Raft
The upcoming 2.1 release will introduce important improvements , including support for automatic failover. Although we’re still hard at work on the finishing touches that will make the new features ready for production use, the beta offers an opportunity to get an early look.
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Finding MongoDB instances without any authentication
I would like to take a moment to discuss databases. Most people use Shodan to find devices that have web servers, but for a few years now I've also been crawling the Internet for various database software. I usually mention this during my talks and I've tried to raise awareness
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Building the Next New York Times Recommendation Engine
Alexander Spangher discusses recent work that’s been done to revamp our article recommendation algorithm.
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Mongo BSON Injection: Ruby Regexps Strike Again
We do penetration testing, source code auditing and vulnerability assessments
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Time series database Graphite seems to be falling into disfavor
SolarWinds database performance monitoring software helps optimize and manage databases, providing comprehensive monitoring, analysis, and tuning. Improve your database performance with visibility, control, and streamlined management across on-premises and cloud environments. Free trial available!
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A Word Is Worth a Thousand Vectors
Standard natural language processing (NLP) is a messy and difficult affair. It requires teaching a computer about English-specific word ambiguities as well a...
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Almost every Cassandra feature has some surprising behavior
Cassandra is a highly-available, linearly-scalable data store, but would it work for the Parse.ly team? Read on for how to avoid common pitfalls when working with this tech!
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Elasticsearch as a Time Series Data Store
Ever wondered how Elasticsearch handles time series metrics? Felix Barnsteiner from stagemonitor - an open source solution to application performance monitoring
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YC Stats Winter 2015
Here is what YC looks like in Winter 2015 Number of startups in the W15 batch: 114 Number of companies funded by YC overall: 842 Total market cap of all YC companies: Over $30B Total money raised by YC companies: Over $3B Number of YC companies worth more than $1B: 4 Number of YC companies worth more than $100…
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InfluxDB is now InfluxData, a platform for time series data
Today we're announcing that InfluxDB, the company, is now InfluxData. This is the beginning of delivering on our long-term vision.
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Super Fuzzy Searching on PostgreSQL
Bartlett Publishing has put together several lists of books available from many various publishers which are essential reading for anyone interested in the topic. Check them out today!
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Irmin: Git-like distributed DB
Read the post on "Introducing Irmin: Git-like distributed, branchable storage" from our blog.
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Using logs to build a solid data infrastructure
Confluent is building the foundational platform for data in motion so any organization can innovate and win in a digital-first world.
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Etcd 2.0 – First Major Stable Release
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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Scaling Out PostgreSQL for CloudFlare Analytics Using CitusDB (YC S11)
When I joined CloudFlare about 18 months ago, we had just started to build out our new Data Platform. At that point, the log processing and analytics pipeline built in the early days of the company had reached its limits.
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Understanding ETF “Flash Crashes”
Join your peers in reading the latest perspectives and insights from FactSet experts across topics that matter to you.
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Ggplot2 version 2.0.0 released by Hadley Wickham
ggplot2 2.0.0: official extension mechanism, new geoms (geom_count, geom_curve, geom_label), appearance tweaks, and facet labels.
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Recommending items to more than a billion people
Visit the post for more.
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Perceptual Image Compression at Flickr
At Flickr our users really care about image quality. They also care a lot about how responsive our apps are. Addressing both of these concerns simultaneously is challenging; higher quality images have larger file sizes and are slower to transfer. Slow transfers are especially noticeable on mobile devices. Flickr had…
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Etcd 2.2
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.