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The most popular blog posts about databases & data on Hacker News. 4,222 posts.
What is PageRank algorithm? How can it be used in various graph database use cases? How to use it in Memgraph? If these questions are keeping you up at night, here is a blog post that will finally put your mind at ease.
Knock knock? Who’s there? It’s me, Oskar, the end is near, did you know that? Ah, you know it but don’t know how to proceed? Let’s talk about the end of the CRUD world…
Andy reviews his favorite NoSQL and NewSQL database shirts.
Sometimes growth hides the fact that a business is on the verge of failure. Here's how.
A beginner's guide to getting started with web scraping using Python and BeautifulSoup.
The original motivation for the creation of Bloom filters is efficient set membership, using a probabilistic approach to significantly reduce the time and space required to reject items that are not members in a certain set.
Understanding how the write-ahead log turns your scaling up to 11.
A couple of weeks ago, I was in an internal meeting where our CTO (Adam Prout) was giving a talk to our summer interns. The talk was about the current state of database companies, and how different providers are competing on different facets of their products. As the talk was
Web-based dashboards are the most straightforward way to share insights with clients and business partners. For R users, Shiny provides a framework that allows data scientists to create interactive web applications without having to write Javascript, HTML, or CSS. Despite Shiny’s utility and success as a dashboard…
Grafana Labs is helping enable continuous profiling at cloud native scale for the open source community and enterprises, giving developers a better understanding of resource usage of their code.
Why Even Try, Man? I recently came upon Brian Granger and Jake VanderPlas’s Altair, a promising young visualization library. Altair seems well-suited to addressing Python’s ggplot …
I’m pleased to announce that Part II of the “ PostgreSQL 14 Internals ” book is available now. This part explores the purpose and design of the buffer cache and explains the need for write-ahead logging. Please download the book freely in PDF. There are three more parts to come, so stay tuned! Thanks to Matthew Daniel…
Data is reductive. It objectifies. It bureaucratizes. But is it a bad idea?
How Notion build and grew our data lake to keep up with rapid growth
TigerBeetle is a distributed financial transactions database, designed for mission critical safety. How do you test something so critical? Well, we could tell you (and we will), but why not show you?
This article was written by Marco Manino and Alberto Carretero, dqlite team at Canonical. 1. Anatomy of a SQLite bug Recently SQLite published a new version with a fix to a long-standing bug in the way that the Write Ahead Log (WAL) is checkpointed that leads to the corruption of the database. The important aspect […]
I’ve put in my fair share of time with PostgreSQL. It has no shortage of functionality and I believe its expansive feature set drove a lot of its growing popularity in the 2010s. As my time with the database has worn on I’ve come up with a handful of features that I wish the database had. Some of these are ideas…
Mozilla teams up with Princeton University researchers to enable crowdsourced science for public good; collaborates with research groups at Princeton, Stan
For the first SpacetimeDB blog post, I’d like to clear up some confusion that I’ve seen arise in discussions about SpacetimeDB and address some general misperceptions about databases. My sense is tha…
A look at the performance of 150,757 hard drives in the Backblaze data centers.
The command line tool I created Sloc Cloc and Code (scc) (which is now modified and maintained by many other excellent people) counts lines of code, comments and makes a complexity estimate for files …
Documentation and guides from the team at Fly.io.
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I recently finished reading PostgreSQL 14 Internals by Egor Rogov. It is one of the great books that teach applied computer science without watering down the difficult parts. One particularly interesting topic is PostgreSQL’s execution of UPDATE statements. Updates in relational databases are inherently complex. They…
There is a lot of excitement around retrieval augmented generation or “RAG.” Roughly the idea is: some of the deficiencies in current generative AI or large language models (LLMs) can b…
