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Personal and social information of 1.2B people discovered in data leak
Bespoke cyber investigations and dark web intelligence — threat actor attribution, asset tracing, digital forensics, and ransomware negotiation.
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 272 posts.
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Amazon’s Consumer Business Turned Off Final Oracle Database
Over my 17 years at Amazon, I have seen that my colleagues on the engineering team are never content to leave good-enough alone. They routinely re-evaluate every internal system to make sure that it is as scalable, efficient, performant, and secure as possible. When they find an avenue for improvement, they will use…
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Let’s Build a Simple Database (2017)
Writing a sqlite clone from scratch in C
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Microsoft acquires Citus Data (YC S11)
Data and analytics are increasingly at the center of digital transformation, with the most leading-edge enterprises leveraging data to drive customer acquisition and satisfaction, long-term strategic planning, and expansion into net new markets. This digital revolution is placing an incredible demand on technology…
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When your data doesn’t fit in memory: the basic techniques
You can process data that doesn’t fit in memory by using four basic techniques: spending money, compression, chunking, and indexing.
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We Can Do Better Than SQL
The questions we often hear are "Why create a new query language?" and "What's wrong with SQL?". This blog post contains answers to both.
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Weld: Accelerating numpy, scikit and pandas as much as 100x with Rust and LLVM
Lambdaclass's blog about distributed systems, machine learning, compilers, operating systems, security and cryptography.
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Comparing Database Types
Many types of databases exist, each with their own benefits. In this guide, we compare the different types of databases and what each of them offer.
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New In Postgres 12: Generated Columns
pgDash is an in-depth monitoring solution designed specifically for PostgreSQL deployments. pgDash shows you information and metrics about every aspect of your PostgreSQL database server, collected using the open-source tool pgmetrics.
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Event Sourcing is Hard
Despite it being sold as the one true path, event sourcing comes with some pain points when you try to put its ideas into production.
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Xor Filters: Faster and Smaller Than Bloom Filters
In software, you frequently need to check whether some objects is in a set. For example, you might have a list of forbidden Web addresses. As someone enters a new Web address, you may want to check whether it is part of your black list. Or maybe you have a large list of already used … Continue reading Xor Filters…
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Backblaze Hard Drive Stats for 2018
This review looks at the hard drive failure rates by make and model for 100,000+ disk drives in operation in our data centers.
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Why databases use ordered indexes but programming uses hash tables
I think it is safe to state that hash tables (e.g. maps in Go, dicts in Python, HashMap in Java, etc.) are far more common than ordered data structures such as trees for in-memory data structures. One data point is that in a talk about C++ hash table optimization at Google ( available in Abseil ), the speaker noted…
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The New York Times course to teach its reporters data skills is now open-source
And how your reporters can learn to love spreadsheets, too
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Red Hat Satellite to standardize on PostgreSQL backend
Red Hat Satellite is a complex offering and we wanted to spend some time talking about the underlying databases that make Satellite work as well as some upcoming changes to this underlying database structure that you should be aware of.
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Why we're ending support for MySQL
GitLab will be ending support for MySQL starting with our 12.1 release – here's why.
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It’s Time to Move on from Two Phase Commit
The two-phase commit protocol (2PC) has been used in enterprise software systems for over three decades . It has been an an incredibly impa...
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Sqlite 3.30.0
This page provides a high-level summary of changes to SQLite. For more detail, see the Fossil checkin logs at https://sqlite.org/src/timeline and https://sqlite.org/src/timeline?t=release . See the chronology a succinct listing of releases.
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Time Series Prediction – A short introduction for pragmatists
Are you trying to predict time series but don't know where to start? This blog post will provide a comparison of the most prominent techniques and show you how …
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Pyodide: Bringing the scientific Python stack to the browser
Pyodide is an experimental project from Mozilla to create a full Python data science stack that runs entirely in the browser. We think it’s worthwhile to work on moving the ...
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Building a distributed time-series database on PostgreSQL
Fully managed PostgreSQL from the creators of TimescaleDB. 99.9% uptime SLA, 10,000+ IOPS, columnar compression up to 95%, and built-in search. Try it free.