Databases blogs

Oracle's official blogs, covering Java, MySQL, Oracle Database, and engineering topics from its developers.

Top post: Oracle Free Java License

Fly.io's company blog, with technical posts on hosting, networking, SQLite, distributed systems, and opinions on AI.

Top post: Pricing

Kyle Kingsbury writes on distributed systems correctness, including Jepsen database tests, and satirical technical interview pieces.

Top post: Typing the technical interview

Uber's engineering team writes about its infrastructure, datastores, spatial indexing, and machine learning systems.

Top post: Why Uber Engineering Switched from Postgres to MySQL

Salvatore Sanfilippo (antirez), creator of Redis, writes about systems programming, Redis design, and software development.

Top post: Tcl the Misunderstood (2006)

LinkedIn's engineering team writes about the company's infrastructure, data systems, and web and mobile development.

Top post: The Log: Real-time data's unifying abstraction

Percona's company blog on open source database operations, covering MySQL and PostgreSQL performance, schema changes, indexing and tooling.

Top post: Pt online schema change

Databricks' engineering blog covers Apache Spark, data lakehouses, LLM training and inference, and the company's tooling and benchmarks.

Top post: Free Dolly: Introducing the First Truly Open Instruction-Tuned LLM

Werner Vogels, Amazon's CTO, writes about distributed systems, AWS services, the Dynamo paper and engineering leadership.

Top post: Dynamo: Amazon’s Highly Available Key-Value Store (2007) [pdf]

Supabase's company blog covers its open-source Postgres-based backend platform, including auth, edge functions, pgvector and Postgres tooling.

Top post: Postgres WASM

ClickHouse's company blog covers its open-source analytics database, with engineering posts on performance, large deployments and new features.

Top post: ClickHouse: We Stand with Ukraine

Confluent's blog covers Apache Kafka, event streaming, and data infrastructure, including posts by Kafka creators and Martin Kleppmann on stream processing.

Top post: Turning the database inside-out with Apache Samza (2015)

Citus Data's blog on PostgreSQL, covering pagination, count performance, JSON types, connection scalability, and distributed Postgres.

Top post: Ways to paginate in Postgres (2016)

Kyle Kingsbury (Aphyr) publishes Jepsen's tests of distributed databases and explanations of consistency models.

Top post: Jepsen: MongoDB 4.2.6

The engineering and company blog of PlanetScale, a hosted database company, covering MySQL, Postgres, indexes, and Go performance.

Top post: Generics can make your Go code slower

Martin Kleppmann, author of Designing Data-Intensive Applications, writes on distributed systems, databases, local-first software, and formal verification.

Top post: Accounting for Computer Scientists

Marc Brooker, an AWS distinguished engineer, writes about distributed systems, databases, load balancing, and reliability.

Top post: The power of two random choices

Crunchy Data's blog, from a Postgres provider, offers tips, performance findings, and features for PostgreSQL and its analytics integrations.

Top post: Postgres support for JSON is 10 years old

Brandur Leach, a software engineer formerly at Stripe and Heroku, writes long technical articles on Postgres, APIs, and web architecture.

Top post: Implementing Stripe-Like Idempotency Keys in Postgres

Jamie Brandon writes about databases, streaming systems, SQL alternatives, Zig and Rust, and his experience as an independent programmer.

Top post: Against SQL

Twitch's engineering team writes about running its streaming platform, including Go performance, PostgreSQL use, and policy updates.

Top post: Go memory ballast: How I learnt to stop worrying and love the heap

Cornell computer scientists, including Emin Gün Sirer, write on distributed systems, Bitcoin, Ethereum, and database fault tolerance.

Top post: Broken by Design: MongoDB Fault Tolerance

Markus Winand writes about SQL indexing, query performance and modern SQL features for application developers.

Top post: Do Not Use Offset for pagination (2014)

ScyllaDB's company blog covers its Cassandra-compatible database, the Seastar framework, benchmarks, and Linux performance topics.

Top post: How io_uring and eBPF Will Revolutionize Programming in Linux

Engineering and product blog of Braintree, a payment processing company, including posts on running high-volume PostgreSQL.

Top post: Braintree's open for business in Canada and Europe

Algolia's company blog covers its hosted search API, how its search engine indexes and queries, and front-end performance.

Top post: Algolia New Pricing

Murat Demirbas, a computer science professor, writes summaries of distributed systems papers and posts on consensus, transactions, and clocks.

Top post: Distributed Transactions at Scale in Amazon DynamoDB (2023)

Ayende Rahien, founder of RavenDB, writes about database internals, .NET, performance, and programming language design including Zig and Odin.

Top post: Blog

Software engineer Nelson Elhage writes on performance, testing, databases, interpreters, and low-level programming topics.

Top post: Computers Can Be Understood

The team behind Dolt, a version-controlled SQL database, writes about database internals, Go performance and testing.

Top post: How Dolt stores table data

The company behind Metabase, an open-source business intelligence tool, posts product news, hiring notices and security incident reports.

Top post: Jobs

Lukas Eder writes about SQL, Java, and the jOOQ library, covering joins, query semantics, and optimizations.

Top post: Say no to Venn diagrams when explaining SQL joins (2016)

PingCAP engineers write about TiDB, their distributed SQL database, plus Rust and Go, performance work, and chaos testing.

Top post: Early Impressions of Go from a Rust Programmer

GitHub's engineering team writes about the infrastructure, databases, security and tooling behind GitHub.

Top post: Introducing DGit

DataStax, the company behind a commercial Apache Cassandra distribution, writes about Cassandra internals, testing, and data modeling.

Top post: Why Cassandra Doesn't Need Vector Clocks

Basho, maker of the Riak database, wrote about distributed systems, Erlang, vector clocks, and CRDTs.

Top post: RICON 2012: Distributed systems conference for developers

InfluxData's company blog covers InfluxDB, its time series database, along with product plans, clustering, and open source licensing.

Top post: InfluxDB 1.X: open-source Time Series Platform

Materialize's company blog covers its streaming SQL database, incremental view maintenance, and engineering write-ups such as a Rust concurrency bug.

Top post: Diagnosing a Double-Free Concurrency Bug in Rust's Unbounded Channels

Percona's engineers write about MySQL performance, indexing, InnoDB internals, storage hardware and cloud database benchmarks.

Top post: Is VoltDB really as scalable as they claim?

Neon's blog covers its serverless Postgres service, including storage architecture, autoscaling, cold starts and vector indexes.

Top post: Architecture decisions in Neon, a serverless Postgres service

The Turso team writes about its SQLite-based database platform, including the Rust rewrite of SQLite, concurrent writes and multitenant architecture.

Top post: Limbo: A complete rewrite of SQLite in Rust

Flickr's engineering team writes about infrastructure, image processing, search, and data projects behind the photo-sharing service.

Top post: Show HN: Using computer vision to detect birds in parks

Cal Paterson writes about Python, databases, software engineering and the tech industry, including an account of working with Bank Python.

Top post: Firefox usage is down despite Mozilla's top exec pay going up

Mark Litwintschik writes benchmarks of databases and analytics tools on large datasets like billion taxi rides, plus geospatial and satellite data work.

Top post: Summary of the 1.1B Taxi Rides Benchmarks

Hubert depesz Lubaczewski writes about PostgreSQL, including query plans, new release features in his "Waiting for" series, and performance topics.

Top post: Postgres 12 Faster CTEs Optional Materialization

Craig Kerstiens, a Postgres and Heroku veteran, writes about Postgres features, SQL tips, and startup practice.

Top post: Why Use Postgres

The PostgreSQL consultancy 2ndQuadrant's blog covers Postgres features, replication, query planning, and performance, written by its core contributors.

Top post: What is ‘skip locked’ for in PostgreSQL 9.5? (2016)

Pinecone, a vector database company, writes about vector search, embeddings, chunking for LLM apps, HNSW indexing, and its move to Rust.

Top post: What Is a Vector Database?

Robert Haas, a PostgreSQL committer, writes about Postgres internals, performance, parallel query, VACUUM, and planner features.

Top post: Postgres 9.2 will feature linear read scalability up to 64 cores

Karl Seguin writes programming books and posts on Go, Zig, Redis, and MongoDB, including the free 'Little' book series.

Top post: The Little Go Book

Anton Zhiyanov, a software engineer, writes about Go, SQLite, SQL, and Python, often with interactive tutorials and release notes.

Top post: SQLite is not a toy database

The company blog of ArangoDB, a multi-model database, with product posts, benchmarks, and articles on graph databases and C++.

Top post: Performance Benchmark 2018 – MongoDB, PostgreSQL, OrientDB, Neo4j and ArangoDB

Pinterest's engineers write about infrastructure and data work, including databases, Kubernetes, build systems, search, and text-to-SQL.

Top post: A one-line change decreased our build times by 99%

Company blog from Timescale, makers of TimescaleDB, covering time-series databases built on Postgres, benchmarks, and licensing changes.

Top post: Building columnar compression in a row-oriented database

Pat Shaughnessy, author of Ruby Under a Microscope, explains the internals of Ruby, Postgres, Python and Rust through diagrams and experiments.

Top post: Ruby Under a Microscope: Learning Ruby Internals through Experiment

CYBERTEC, a PostgreSQL consultancy, publishes technical posts on Postgres performance, indexing, and features, many by Laurenz Albe.

Top post: Unexpected downsides of UUID keys in PostgreSQL

Phil Eaton, a database engineer, writes about building databases, parsers and emulators from scratch, and about writing and careers.

Top post: Writing a storage engine for Postgres: An in-memory table access method (2023)

The PouchDB project blog covers the JavaScript database that syncs with CouchDB, including its internals, build system and async programming lessons.

Top post: We have a problem with promises

Official MongoDB company blog covering database features, durability, distributed consistency, and customer deployments.

Top post: Why MongoDB thinks single server durability is overvalued

Dgraph's company blog covers its distributed graph database and Go libraries like Badger and Ristretto, written by its engineers.

Top post: Manual Memory Management in Go using jemalloc