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Do we need to store all that telemetry?
In my last post I talked about why modern observability has become so expensive. At the end of the post I posit a question: What if by default we never send any telemetry at all? In this post I’m goin
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The latest blog posts to take off on Hacker News. 4,224 posts.
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Neon Serverless Postgres is generally available
Neon is now Generally Available. We’ve shipped major improvements to Neon internals that, combined with our operating experience scaling up to 700,000+ databases over the past year, give us the confidence that Neon is ready to support your business-critical workloads. If you’re building or scaling an application, you…
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How much memory does a graph take?
We need a fast way to query multiple potentially large sets of data on-demand at interactive speeds. Sometimes the easiest solution to a hard problem is to build the right tool for the job.
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Client libraries are better when they have no API?
fsspec is secretly everywhere, and boss
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Preview of Explore Logs, a new way to browse your logs without writing LogQL
Learn all about Explore Logs, a new way to browse your logs in Grafana 11 and Loki 3.0 without writing LogQL.
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Distributed SQLite: Paradigm shift or hype?
SQLite is fast, really fast. On a single ~40€ / m commodity server, it can sustain ~168,000 reads and ~8000 writes per second, concurrently. Because it's an embedded library designed for client-side applications such as embedded systems and phone & desktop applications, SQLite databases have to be co-located…
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Chronon, Airbnb's ML feature platform, is now open source
A feature platform that offers observability and management tools, allows ML practitioners to use a variety of data sources, while handling…
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Building a Managed Postgres Service in Rust
Engineering deep-dives, product updates, and company news from Tembo — the platform for running coding agents across your stack.
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ElephantSQL Is Shutting Down
The ElephantSQL team announces that ElephantSQL will discontinue its services.
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Why CockroachDB doesn't use EvalPlanQual
Under READ COMMITTED isolation, PostgreSQL can sometimes miss rows when performing UPDATE, DELETE, SELECT FOR UPDATE, or SELECT FOR SHARE statements. This is due to the EvalPlanQual recheck PostgreSQL adds to these statements to prevent lost-update anomalies.
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Postgres locks explorer
All of the data in this page is derived from these tests , so is true by some definition of true. Notable is this test - given an arbitrary SQL statement, it determines via runtime inspection which locks are taken.
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The design philosophy of Great Tables
We’ve spent a lot of time thinking about tables. Tables—like plots—are crucial as a last step toward presenting information. There is surprising…
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DataStax just bought our startup Langflow
The past few weeks have been nuts, and we’ve been itching to share some huge news with you all… 🥁 Langflow is joining DataStax!
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Saving cloud costs by writing our own database
What is the first rule of programming? Maybe something like “do not repeat yourself” or “if it works, don’t touch it”? Or, how about “do not write your own database!”… That’s a good one.
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Tokens, n-grams, and bag-of-words models (2023)
This post covers Natural Language Processing fundamentals that are essential to understanding all of today’s language models.
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Cloudflare R2 IA storage tier
We’re excited to announce three new features for Cloudflare R2: event notifications, support for migrations from Google Cloud Storage, and an infrequent access storage tier
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Redict 7.3.0, a copyleft fork of Redis, is now available
The Redict community is pleased to announce the release of Redict 7.3.0, the first stable version of our copyleft fork of Redis® OSS 7.2.4.1 You can download the release on Codeberg, or download one of our official container images from registry.redict.io. We have written comprehensive documentation detailing our…
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10 Years of Hacker News "Ask HN: Who Is Hiring" Trends
The "Ask HN: Who is hiring" monthly post on Hacker News, available on the first day of each month, provides a platform for users to share tech job listings for free. Analyzing 10 years of these posts with a Python script reveals significant shifts in hiring trends. This insight into the evolving tech job market can…
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Your database skills are not 'good to have' (2023)
And a hateful ode to Object-Relational Mappers
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DeWitt and Stonebraker's "MapReduce: A major step backwards" (2009)
In January 2008 David DeWitt and Michael Stonebraker published an article criticising MapReduce. As far as I can find, the article is no lon...
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The Great Migration from MongoDB to PostgreSQL
How Infisical migrated from MongoDB to PostgreSQL.
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Finding memory leaks in Postgres C code
I spent the last week looking for a memory leak in Postgres’s WAL Sender process. I spent a few days getting more acquainted with Valgrind and gcc/clang sanitizers, but ultimately got nowhere useful with them. Finally, I stumbled on the memleak program from the bcc tools collection which led me right to the source…
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How (and why) to run SQLite in production
This is my personal site, where I write about Ruby, programming, and any of my varied fascinations.
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Fundamentals of Object Storage in Elixir
I did a livestream where I talked about Object Storage. The how and why. The Bad Old Days. And also the neat and interesting stuff just beyond the basics. I figured I'd cover that in text as well.