242 stories, newest first.
365 points by otoolep | 62 comments
Philip O'Toole's blog post recounting the history of distributed SQLite since he launched rqlite in 2014, covering dqlite, Litestream, LiteFS, libSQL/Turso, cr-sqlite and Cloudflare D1.
113 points by skadamat | 73 comments
Blog post by a data platform engineer describing how his team replaced much Looker usage with an internal service hosting Claude-generated HTML dashboards backed by Snowflake.
166 points by f311a | 104 comments
A merged ClickBench pull request removing the pgrust entry for using hand-written per-query kernels and result caching that violate the benchmark rules.
3 points by surprisetalk | 0 comments
A technical blog post explaining how PostgreSQL's TABLESAMPLE SYSTEM and BERNOULLI methods select rows by hashing physical addresses, and the resulting sampling biases.
40 points by plaur782 | 5 comments
Blog post by Jeremy Schneider explaining how Postgres recovery_prefetch amplifies replica IOPS and, with synchronous replication, can cause prolonged write outages, with a repro.
439 points by nnx | 62 comments
DuckDB blog post announcing the 2.0.0 LTS "Cinnamon Teal" release, covering the Quack server protocol, async I/O, VARIANT type, agent mode, new PEG parser and migration notes.
5 points by surprisetalk | 2 comments
A dataset by Robin Wilson digitising John Snow's 1854 Broad Street cholera map, with death points, pump locations, and georeferenced maps for GIS software.
19 points by signa11 | 4 comments
ArcadeDB product page explaining and benchmarking Dijkstra, A*, and Customizable Contraction Hierarchies for in-database route planning on the Florida road network.
49 points by aphyr | 1 comments
Jepsen analysis by Kyle Kingsbury of Orkes Conductor 5.3.2–5.5.0-rc2, finding concurrent task execution, lost or abandoned workflows, and startWorkflow errors.
198 points by hans_castorp | 36 comments
Blog post by PostgreSQL committer Peter Eisentraut reflecting on why 8 to 10 significant features were reverted from PostgreSQL 19 during its beta period.
56 points by murtazayusuf | 32 comments
GitHub repository for KiviDB, a multi-threaded Redis and Valkey compatible in-memory database written in Rust with full-text and vector search.
148 points by magoghm | 56 comments
The Register article reporting that PostgreSQL 19's release was pushed to November and up to 10 features reverted after AI review tools surfaced more bugs than developers could fix.
22 points by KraftyOne | 6 comments
A DBOS blog post by Peter Kraft and Qian Li explaining how to make large-scale DELETE operations in Postgres perform and scale well.
13 points by tatvamasi | 11 comments
Infino blog post discussing the design implications of storing a search index on Amazon S3 object storage.
18 points by hnp9j9qtda | 3 comments
A Percona blog post, the second in a series, on whether profile-guided optimization (PGO) compiler builds improve MySQL database performance.
15 points by eeko_systems | 5 comments
An AP News-hosted Newsfile press release, linked under a title asking why data companies are acquiring internal data; no page content was captured.
197 points by jascha_eng | 49 comments
GitHub repository for pg_vectorsearch, a Timescale PostgreSQL extension providing high-performance vector search indexing.
51 points by marcbpaul | 6 comments
Blog post comparing InnoDB and Apache Iceberg internals while moving a stock analysis project from an OLTP engine to an OLAP lakehouse stack.
6 points by gardensalad | 1 comments
Documentation page for the Hypermass CLI, an Apache 2.0 tool for subscribing to and publishing live open data streams as files delivered to a local folder.
4 points by SAUMS | 0 comments
GitHub repository for sqlthon, a simple Python package providing a lightweight layer for SQLite3 operations.
146 points by saisrirampur | 148 comments
ClickHouse blog recap of a POSETTE 2026 talk arguing PostgreSQL performance at scale is limited by storage, with benchmarks and a local-NVMe production architecture.
36 points by saisrirampur | 1 comments
GitHub repository for clickhouse-c, a minimalist header-only C library for talking to ClickHouse over its native binary protocol in embedded contexts.
19 points by acossta | 14 comments
Pydantic blog post explaining how dynamically shredding JSON columns into typed columns gave Logfire up to 1000x faster queries.
81 points by tosh | 17 comments
GitHub repository for APSW, Another Python SQLite Wrapper, a C extension providing a thin Python interface to the SQLite database library.
18 points by kbumsik | 3 comments
Blog post on the SQLAlchemy website announcing the release of SQLAlchemy 2.1.0, the Python SQL toolkit and ORM.
34 points by yegortk | 36 comments
A web app recreating the CIA World Factbook with country data from World Bank, WHO, IMF and others, offering search, metrics, scatter plots, and CSV export.
192 points by tosh | 60 comments
MotherDuck blog post by Mehdi Ouazza testing DuckDB 2.0 alpha features like async I/O over S3 and recursive CTEs, explaining why the new version is faster.
35 points by arthuredelstein | 3 comments
Project Timestamper blog post announcing the timestamping of Common Crawl's 339 billion web page snapshots collected over 18 years.
225 points by saikatsg | 32 comments
GitHub repository for DuckLake, DuckDB's integrated data lake and catalog format released under the MIT license.
14 points by gvsg-rs | 0 comments
Readyset blog post explaining how its query transformation pipeline rewrites SQL queries internally.
408 points by simicd | 94 comments
Polars blog post by Ritchie Vink announcing the Polars 2.0 release and its highlights, including out-of-core spill-to-disk support and performance improvements.
6 points by mariuz | 1 comments
GitHub repository for a project that simulates and renders DOOM inside the Firebird SQL database, running in the browser via Firebird compiled to WebAssembly.
![Screenshot of nivdayan.github.io: Better Space-Time Trade-Offs for LSM-Tree Based Key-Value Stores [pdf]](https://hn.urlbox.com/shots/renders/2026/10/5/b85b20b9-9285-492d-bd4c-ee219e7970f9.jpg)
24 points by ibobev | 0 comments
SIGMOD 2018 paper by Niv Dayan and Stratos Idreos introducing Dostoevsky, Lazy Leveling, and Fluid LSM-tree for better space-time trade-offs in LSM-tree key-value stores.
55 points by alexpadula | 22 comments
TidesDB blog post announcing its write- and space-optimized storage engine is now available as a plugin for MySQL v9 and v26.
24 points by adityamukho | 16 comments
GitHub repository for Minigraf, an embedded bi-temporal graph database library in Rust with Datalog queries, aimed at AI agents, mobile apps, and browsers.
9 points by javierluraschi | 2 comments
AwesomeDataviz is a community-curated directory of 291 data visualization tools ranked daily using GitHub, npm, PyPI and CRAN data.
293 points by Vaslo | 45 comments
CedarDB blog post describing a port of the original 1993 Doom game logic and renderer to SQL, running inside the database with Python only handling timing and display.
171 points by cvburgess | 89 comments
Supabase blog post by CEO Paul Copplestone announcing the company is acquiring Turso to evolve database infrastructure for AI agents creating many databases.
22 points by kcmarr | 7 comments
GitHub repository for Graphene, an open source toolkit giving coding agents a semantic layer and MDX-style dashboards for data analysis.
64 points by pykello | 8 comments
GitHub repository for ExplainDB, an AGPL-licensed educational database system designed for understandability, with notebooks and tutorials.
54 points by craigkerstiens | 9 comments
ParadeDB blog post describing search performance improvements in its Postgres-based search extension.
369 points by razin | 102 comments
Turbopuffer blog post announcing its v3 storage architecture, moving beyond a vector-index-centric design toward a generalized search database.
38 points by greghn | 6 comments
A Database Architects blog post on making optimistic lock coupling safe for scalable concurrent data structures like trees on many-core CPUs.
8 points by chrismungall | 1 comments
Documentation homepage for jevotron, a command-line tool that scores field-level anomalies in data files and produces a review queue with caching.
10 points by ajoski9 | 6 comments
Free trial page for Strata, a semantic layer and BI platform with dashboards and LLM/MCP access that runs locally via Docker.
10 points by tenesripranav | 0 comments
A Lupyd blog post arguing that QUIC stream multiplexing beats traditional TCP connection pooling for Postgres over WAN, with benchmark numbers.
32 points by ianmcook | 5 comments
A Columnar blog post by Ian Cook describing experiments in bulk inference using TypeSafe's new Jev model with Apache Arrow data.
154 points by birdculture | 92 comments
Blog post explaining pitfalls of Postgres's AT TIME ZONE 'UTC' operator and why it may need to be applied twice.
117 points by vira28 | 40 comments
A browser-based tool that parses PostgreSQL migration SQL with libpg_query WASM and flags operations that may be unsafe, such as locking schema changes.
56 points by tkhattra | 61 comments
Blog post by Viktor Leis arguing that S3-centric cloud data architectures rest on hardware assumptions that are becoming obsolete.
9 points by quasiben | 0 comments
Blog post describing RapidsMPF, a reusable out-of-core GPU data shuffler for distributed analytics that spills to avoid OOM, reaching 1.8 TiB/s.
8 points by 91awebsi | 5 comments
Interactive data visualization mapping US roads whose names match over 1,000 themes derived by cross-referencing Wikidata articles with OpenStreetMap roads.
68 points by andrearitossa | 22 comments
HN Atlas, a site that groups Hacker News stories into browsable topics with post counts and trends over time since 2024.
83 points by KraftyOne | 26 comments
A DBOS blog post by Peter Kraft explaining why Postgres SELECT DISTINCT queries perform poorly at scale.
28 points by badrequest | 7 comments
Blog post by a developer at a gig-economy delivery app about discovering Redis Cluster hash slots while building a courier-matching service that relies on distance data.
14 points by fvaleri | 1 comments
Red Hat Developer article on Apache Kafka's native cluster mirroring feature for replicating data between Kafka clusters.
26 points by grep_it | 2 comments
Meta engineering blog post describing Delta, an internal highly available, strongly consistent storage service built on chain replication.
22 points by hubraumhugo | 6 comments
An open-source dashboard tracking daily USDA food commodity prices at shipping points, wholesale markets, and supermarket ads, with historical charts.
323 points by rustywasm | 171 comments
Parcelscope interactive visualization showing every building in Los Angeles colored by decade built, animating the city's growth from 1880 to today.
377 points by komape | 128 comments
Polars blog post announcing the first release candidate for Polars 2.0, which makes LazyFrame queries run on the streaming engine by default and drops old design decisions.
1061 points by onderkalaci | 307 comments
Announcement by DuckLabs founders that the company will join Amazon Web Services while DuckDB, DuckLake, and Quack remain open source.
412 points by karlmush | 238 comments
A blog post by Raphael Bauer arguing for using PostgreSQL as the single backend for many workloads instead of specialized tools.
684 points by ibotty | 120 comments
DuckDB blog post previewing v2.0 features including server mode, triggers, VARIANT type, async I/O, a new SQL parser and storage format.
1128 points by ropbear | 215 comments
Tailscale blog post describing how the team tracked down a 16-year-old SQLite bug related to write-ahead log (WAL) resets.
317 points by adletbalzhanov | 220 comments
Shopify Engineering blog post on replacing Redis with MySQL for inventory reservations using SKIP LOCKED, composite primary keys, and connection visibility.
318 points by nikolay_sivko | 67 comments
ClickHouse blog post by Andy Pavlo announcing he is joining ClickHouse to establish and lead a new research team called ClickHouse Labs.
867 points by jonbaer | 84 comments
An interactive 3D city simulation visualizing PostgreSQL internals like WAL, buffer pool, checkpointer, backends, and replication, with a guided tour.
351 points by KraftyOne | 68 comments
A DBOS blog post by Peter Kraft arguing that Postgres LISTEN/NOTIFY can scale, contrary to common belief.
474 points by abelanger | 206 comments
A Hatchet blog post offering startups a guide to keeping their Postgres databases from falling over under load.
339 points by gnyeki | 154 comments
Blog post arguing SQLite has bad defaults, such as ignoring foreign key constraints, and should adopt Rust-style editions to fix them without breaking compatibility.
749 points by SweetSoftPillow | 635 comments
GitHub repository for pgrust, a rewrite of PostgreSQL in Rust that claims to pass 100% of the Postgres regression tests.
651 points by ytkimirti | 144 comments
Hacker Trends, a tool that charts how often topics, tools, or people appear across 18 years of Hacker News posts and comments, with matching stories listed below.
593 points by tosh | 126 comments
GitHub repository for F3, an open-source data file format presented at SIGMOD 2026 as a future successor to formats like Parquet.
444 points by marklit | 133 comments
A Greybeam blog post, first in a series, explaining DuckDB internals including in-process execution, query planning, and storage.
334 points by robhati | 65 comments
A free in-browser tool that parses SQL CREATE TABLE statements and renders an entity-relationship diagram, with PNG/SVG export and no data uploaded.
525 points by levkk | 245 comments
PgDog blog post announcing the company's funding and describing its proxy for horizontally scaling Postgres.
454 points by coffeemug | 104 comments
GitHub repository for pg_durable, Microsoft's open-source PostgreSQL extension providing durable execution of workflows inside the database.
664 points by tomasol | 365 comments
Obelisk blog post arguing that SQLite, backed up to S3, is sufficient for many durable workflow systems, responding to DBOS's Postgres argument.
329 points by KraftyOne | 137 comments
DBOS blog post by Peter Kraft arguing that Postgres alone is sufficient to build durable workflow execution, describing DBOS's architecture.
347 points by aduffy | 74 comments
DuckDB blog post announcing Quack, a remote protocol letting DuckDB instances communicate in a client-server setup with multiple concurrent writers over HTTP.
577 points by whatisabcdefgh | 177 comments
SQLite documentation page explaining that SQLite is a US Library of Congress Recommended Storage Format for datasets, alongside XML, JSON, and CSV.
439 points by c0l0 | 222 comments
GitHub repository for pgBackRest, a PostgreSQL backup and restore tool, now archived and read-only with a notice that it is no longer maintained.
438 points by thomasp85 | 81 comments
Posit Open Source blog post announcing the alpha release of ggsql, a grammar-of-graphics visualization language built on SQL.
425 points by andygcook | 318 comments
Interactive treemap visualizing 342 BLS occupations covering 143M US jobs, colored by outlook, pay, education, or LLM-scored AI exposure.
357 points by tamnd | 144 comments
Hugging Face dataset page for a complete Hacker News archive of every item since 2006 in Parquet format, updated every 5 minutes.
360 points by bcye | 283 comments
DuckDB blog post benchmarking database workloads on Apple's entry-level MacBook Neo to test its suitability for big data analysis.
425 points by lukakopajtic | 204 comments
Felix Krause's personal site explaining why he has tracked over 100 types of life metrics daily since 2019 in a single database, with visualizations of the results.
441 points by MilkMp | 87 comments
Show HN project: a searchable, exportable archive of CIA World Factbook data from 1990–2025; the page returned an HTTP 503 error when captured.
452 points by turtles3 | 256 comments
A Tiger Data blog post by Raja Rao DV arguing that teams should use PostgreSQL for most workloads instead of adding specialized databases, especially in the AI era.
398 points by haki | 63 comments
Blog post by Haki Benita presenting unconventional, creative techniques for speeding up queries in PostgreSQL beyond standard indexing and query rewrites.