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The most popular blog posts about databases & data on Hacker News. 192 posts.
CockroachDB is a distributed SQL database, loosely patterned after Google Spanner and designed for semi-synchronous networks. It speaks the PostgreSQL wire protocol , supports a reasonable dialect of SQL , and combines replication for durability with transparent scale-out sharding for large tables. Its most…
In this update, we’ll review the Q2 2017 and lifetime hard drive failure rates for all our current drive models including enterprise and consumers drives.
We just announced the release of TimescaleDB, a new open-source time-series database optimized for fast ingest and complex queries, now available on GitHub.
111 GB of internal customer information from National Credit Federation was left exposed in a publicly downloadable data repository. This is its story.
Some say sharding is the best way to scale a database. Sharding enables you to linearly scale cpu, memory, and disk by separating your database into smaller parts. Yet, sharding is controversial. This post explores the principles of sharding relational databases for B2B, B2C, and B2B2C applications.
There’s a widespread attack on insecure MongoDB installs that has resulted in over 28,000 databases being held ransom. This post explains the hack, how to protect yourself and what can we learn from it.
Introducing KSQL, a streaming SQL engine for Apache Kafka. KSQL provides a simple and completely interactive SQL interface for processing data in Kafka.
When I started playing with word2vec four years ago I needed (and luckily had) tons of supercomputer time. But because of advances in our understanding of w...
Explore the four different ways to perform disk I/O on Linux and the tradeoffs and what we chose for ScyllaDB to build a high-performing database.
Impressed by the graphs on popular site FiveThirtyEight? This quick tutorial gets you started making your own eye-catching visualizations.
How Heap runs 10 million postgreSQL indexes in production.
Exactly-once is a hard problem to solve, but we've done it. Available now in Apache Kafka 0.11, exactly-once semantics.
Google Cloud migration partners offer their thoughts on database migrations to Cloud Spanner.
2017-10-07: IMap is not the only datatype supporting merge: ICache is mergable as well.
Learn to perform the basics of geospatial analysis using Python along with the GeoJSON and GeoPandas libraries.
The IBM Research blog is the home for stories told by the researchers, scientists, and engineers inventing What’s Next in science and technology.
Members of the public can search a newly released database of 1,600 stars to find signs of undiscovered exoplanets. The dataset, taken over two decades by the W.M. Keck Observatory in Hawaii, comes with an open-source software package and an online tutorial.
Edit: This article is firmly out of date now. I have not gone back to try dynamoDB but I have heard they have changed how throughput is…
An in-depth look at the challenges faced when scaling the GitLab database and the solutions we applied to help solve the problems with our database setup.
In the past year and a half, MongoDB has put a good deal of work into improved read safety, enabled by the adoption of their new replication protocol and the WiredTiger storage engine. Dirty reads were addressed in 3.2 by introducing a majority read concern , and stale reads were addressed with the introduction of the…
This is the extended form of a comment that got some interest on Hackernews. After a grace period of one year, Parse is now offline. This…
