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Observability 2.0 and the Database for It
What Observability 2.0 means in practice, how wide events replace siloed metrics/logs/traces, and why GreptimeDB is purpose-built as the database foundation.
New
The latest blog posts to take off on Hacker News. 2,337 posts.
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Instant SQL for results as you type in DuckDB UI
Type, see, tweak, repeat! Instant SQL is now in Preview in MotherDuck and the DuckDB Local UI. Bend reality with SQL superpowers to get real-time query results as you type. | Reading time: 8 min read
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ClickHouse gets lazier and faster: Introducing lazy materialization
ClickHouse learned to procrastinate strategically. Discover how lazy materialization skips unnecessary column reads to accelerate queries.
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Kaggle and the Wikimedia Foundation are partnering on open data
Kaggle is hosting Wikimedia Enterprise's beta release of structured data in both French and English. Kaggle is home to a vast trove of open and accessible data, with mor…
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Arroyo (YC W23) has been acquired by Cloudflare
Arroyo has been acquired by Cloudflare to bring serverless SQL stream processing to the Cloudflare Developer Platfrorm, integrated with Queues, Workers, and R2. The Arroyo Engine will remain open-source and self-hostable.
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Colossus for Rapid Storage
Colossus’s performance comes from its stateful protocol, which plays a pivotal role in the new Rapid Storage offering launched at Google Cloud Next '25.
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PostgreSQL Full-Text Search: Fast When Done Right (Debunking the Slow Myth)
Boost PostgreSQL full-text search speed by 50x with simple optimizations. Use VectorChord-BM25 to accelerate and better BM25 ranking in postgres.
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My Browser WASM't Prepared for This. Using DuckDB, Apache Arrow and Web Workers
by Przemyslaw Maciolek
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A year of Rust in ClickHouse
This story is about how ClickHouse supports Rust components in the C++ code base and the challenges we had to overcome.
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Cursed Excel: "1/2"+1=45660
Explore Excel's bizarre date/time quirks—like “1/2”+1=45660—and how Quadratic fixes legacy issues with a modern approach to datetimes and spreadsheet logic.
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Stop syncing everything
Discover Graft, an open-source transactional storage engine built to solve the challenges of syncing data at the edge. Inspired by lessons from SQLSync, Graft enables lazy, partial, and strongly consistent replication—allowing edge applications to sync only the data they need, exactly when they need it.
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Turso SQLite Offline Sync Public Beta
Turso Offline Sync is now in public beta. Write to local SQLite databases offline at file speed, then sync push and pull with Turso Cloud when reconnected.
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A glitch in an online survey replaced the word 'yes' with 'forks'
Dating back to at least early 2023, a bizarre and alarming technical glitch started popping up in some organizations’ online surveys and forms.
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Preview: Amazon S3 Tables and Lakehouse in DuckDB
We are happy to announce a new preview feature that adds support for Apache Iceberg REST Catalogs, enabling DuckDB users to connect to Amazon S3 Tables and Amazon SageMaker Lakehouse with ease.
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Building AI agents to query your databases
In the world of AI agents, the ability to understand and analyze structured data is a game-changer. While large language models excel at understanding natural...
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The DuckDB Local UI
The DuckDB team and MotherDuck are excited to announce the release of a local UI for DuckDB shipped as part of the ui extension.
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Polars Cloud: The Distributed Cloud Architecture to Run Polars Anywhere
We introduce Polars Cloud, the distributed cloud architecture to scale and run Polars anywhere.
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Optimistic Locking in B-Trees
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
260
Postgres Just Cracked the Top Fastest Databases for Analytics
Databricks offers a unified platform for data, analytics and AI. Build better AI with a data-centric approach. Simplify ETL, data warehousing, governance and AI on the Data + AI Platform.
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SQLite-on-the-server is misunderstood: Better at hyper-scale than micro-scale
Learn why SQLite-on-the-server fits hyper-scale systems when each tenant gets an isolated database with local reads, durable storage, and simple…
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BM25 in PostgreSQL
VectorChord-BM25 enhances PostgreSQL search with BM25 ranking, 3x faster than ElasticSearch. Supports BERT, Tocken, and Unicode tokenizers
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Understanding Smallpond and 3FS
A concise breakdown of what smallpond and 3FS are, how to use them, and if they're suitable for your data processing needs.
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Putting Andrew Ng's OCR models to the test
Testing Andrew Ng's document extraction service reveals over 50% hallucinated values in financial tables. | Pulse AI
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Postgres as a Graph Database: (Ab)Using PgRouting
Learn how to use pgRouting as a lightweight graph database solution in Postgres.
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EdgeDB is now Gel and Postgres is the future
EdgeDB is now Gel. New identity, renewed focus on delivering the best PostgreSQL data platform in the world.
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MongoDB acquires Voyage AI
MongoDB to integrate Voyage AI's industry-leading embedding and reranking models, delivering highly accurate and relevant information retrieval to power sophisticated AI use cases NEW YORK , Feb. 24, 2025 /PRNewswire/ -- MongoDB, Inc. (NASDAQ: MDB), the leading database for modern applications,
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Keeping our free tier sustainable by preventing abuse
A free tier allows people to try a SaaS without paying first, but it opens up the service to bad actors. Here's how we balance preventing bad actors while still supporting legitimate users.
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MySQL at Uber
At Uber, our MySQL® fleet is the backbone of our data infrastructure, supporting a vast array of operations critical to our platform. Uber operates an extensive MySQL fleet, consisting of over 2,300 independent clusters. Building a control plane to manage this fleet at such a massive scale, while ensuring zero…