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We built our customer data warehouse all on Postgres
Engineering deep-dives, product updates, and company news from Tembo — the platform for running coding agents across your stack.
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 185 posts.
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Multi-tenant queues in Postgres
How we implemented fair queueing strategies for Postgres-backed task queues to ensure fair execution time across tenants.
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What happens if we remove 50 percent of Llama?
Discover Sparse Llama: A 50% pruned, GPU-optimized Llama 3.1 model with 2:4 sparsity, enabling faster, cost-effective inference without sacrificing accuracy.
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Deno KV internals: building a database for the modern web
How we built a performant, scalable, ACID-compliant, JavaScript-native database on FoundationDB.
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Binance built a 100PB log service with Quickwit
Binance Scales its Log Service to 100PB and Saves Millions with Quickwit
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Farewell Pandas, and thanks for all the fish
the portable Python dataframe library
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Making a Postgres query 1k times faster
Learn how we discovered what was slowing down large database queries, and what we did to make Postgres queries 1000x faster.
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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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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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Jepsen: Bufstream 0.1
2024-11-13 : An earlier version of this report asserted that consumers with auto-commit enabled could lose data by automatically committing offsets returned by the most recent poll. This claim was based in part on Confluent’s documentation , which states:
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Multi-database support in DuckDB
DuckDB can attach MySQL, Postgres, and SQLite databases in addition to databases stored in its own format. This allows data to be read into DuckDB and moved between these systems in a convenient manner.
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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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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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Using reinforcement learning and $4.80 of GPU time to find the best HN post
The OpenPipe platform has migrated to Weights & Biases and CoreWeave. Browse migration details and the OpenPipe technical archive.
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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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Heroku Postgres is now based on AWS Aurora
We’re thrilled to launch our new Heroku Postgres Essential database plans. These plans have pgvector support, no row count limits, and come with a 32 GB...
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A Technical Dive into PostgreSQL's replication mechanisms
Guide to PostgreSQL Replication and CDC - Navigate the complexities of logical replication in PostgreSQL.
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Loro's rich text CRDT
This article presents the rich text CRDT algorithm implemented in Loro, complying with Peritext's criteria for seamless rich text collaboration. Furthermore, it can be built on top of any List CRDT algorithms and turn them into rich text CRDTs.
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Improvements to data analysis in ChatGPT
Improvements to data analysis in ChatGPT Interact with tables and charts and add files directly from Google Drive and Microsoft OneDrive.
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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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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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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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Amazon S3 now supports the ability to append data to an object
Discover more about what's new at AWS with Amazon S3 Express One Zone now supports the ability to append data to an object
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Do you need Redis? PostgreSQL does queuing, locking, and pub/sub (2021)
It's a common architecture to have PostgreSQL and Redis serve as the backbone of your app, but PostgreSQL may be capable of everything you use Redis for.
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A bird's eye view of Polars
Read how Polars executes your query from planning, optimizing to execution.