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Bento: Jupyter Notebooks at Meta
This episode of the Meta Tech Podcast is all about Bento, Meta’s internal distribution of Jupyter Notebooks, an open-source web-based computing platform. Bento allows our engineers to mix code, tex…
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The latest blog posts to take off on Hacker News. 2,337 posts.
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Datomic and Content Addressable Techniques
Datomic and Content Addressable Techniques: An Ultimate Data Wonderland
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Valkey achieved one million RPS 6 months after forking from Redis
Maximize the performance of your hardware with memory access amortization
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The Rise of Open Source Time Series Databases
Time series databases are essential tools in any software engineer’s toolbelt. Their development has been shaped by user needs and countless open source contributors, leading to the healthy ecosystem of options we see today. In this article, you’ll see how time series databases came about, and why so many are open…
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How we made Jupyter notebooks load faster
When we received feedback our Notebooks UI was taking too long too load, our engineers dove into ways to improve the developer experience — bringing some load times from 30 seconds down to less than one.
336
B-Trees and Database Indexes
B-trees are used by many modern DBMSs. Learn how they work, how databases use them, and how your choice of primary key can affect index performance.
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DuckDB 1.1.0 Released
The DuckDB team is happy to announce that today we're releasing DuckDB version 1.1.0, codenamed “Eatoni”.
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Postgres Webhooks with Pgstream
Trigger HTTP webhooks on every INSERT, UPDATE, or DELETE in PostgreSQL. Open-source CDC setup with pgstream, no polling required.
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Farewell Pandas, and thanks for all the fish
the portable Python dataframe library
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The semantic web is now widely adopted
Web 3.0 was not about the blockchain, thank god
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pg_duckdb: Splicing Duck and Elephant DNA
Introducing the DuckDB + Postgres Extension: You can have your analytics and transact them too with pg_duckdb by DuckDB Labs, MotherDuck, Hydra, Neon and Microsoft. | Reading time: 8 min read
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What Is a Knowledge Graph?
What is a knowledge graph? Learn about nodes, relationships, organizing principles, and ontologies, which comprise a knowledge graph.
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LLM-based sentiment analysis of Hacker News posts between Jan 2020 and June 2023
We analyzed topics covered by 100k Hacker News posts and the sentiments they evoke using Metaflow.
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Postgres.new: In-browser Postgres with an AI interface
Introducing postgres.new, the in-browser Postgres sandbox with AI assistance.
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Jepsen: Jetcd 0.8.2
Etcd is a coordination service designed to offer Strict Serializable reads, writes, and micro-transactions over a small, in-memory key-value store. In 2022, Jepsen re-tested etcd as a part of a private engagement covering an assortment of databases. We reported several issues to the etcd team during that engagement…
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Full text search over Postgres: Elasticsearch vs. alternatives
A comprehensive comparison between Elasticsearch and PostgreSQL for search workloads.
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Why Polars rewrote its Arrow string data type
We have completely rewritten the string/binary data structure we use in Polars.
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The future of kdb+?
It’s been 2 years since I worked full time in kdb+ but people seem to always want to talk to me about kdb+ and where I think it’s going, so to save rehashing the same debates I’m going to put it here and refer to it in future. Please leave a comment if you want and I will reply.
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Why CSV is still king
Build AI-powered data tables
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Call of Duty: Warzone Caldera Data Set for Academic Use
Access Call of Duty: Warzone Caldera OpenUSD Data Set
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Amazon's exabyte-scale migration from Apache Spark to Ray on EC2
Large-scale, distributed compute framework migrations are not for the faint of heart. There are backwards-compatibility constraints to maintain, performance expectations to meet, scalability limits to overcome, and the omnipresent risk of introducing breaking changes to production. This all becomes especially…
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Movable tree CRDTs and Loro's implementation
This article introduces the implementation difficulties and challenges of Movable Tree CRDTs when collaboration, and how Loro implements it and sorts child nodes. The algorithm has high performance and can be used in production.
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Rediscovering Transaction Processing from History and First Principles
In July 2020, I stumbled into a fundamental limitation in the general-purpose database design for transaction processing.
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Difference between running Postgres for yourself and for others
At Ubicloud, our managed cloud service enables us to run PostgreSQL for others. We open sourced our implementation, so we thought this was a good opportunity to talk about its features. This blog post summarizes features commonly available in a managed service. It also describes interesting differences between running…
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Postgres vs. Pinecone
We respond to Pinecone's recent blog post comparing Postgres and Pinecone. We show that Postgres can outperform Pinecone in the same benchmarks Pinecone covered in their article.