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Redis 8.8: New array data structure, rate limiter, performance improvements
Redis 8.8 is now available in Open Source. Explore the new array data type, window counter rate limiter, streams NACK, and more performance-focused updates.
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 2,337 posts.
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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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Raid-Z Expansion Feature for ZFS Goes Live
The Foundation sponsored feature reflows existing data to rewrite it onto a new arrangement of disks thereby freeing space at the end of the logical RAID-Z group The FreeBSD Foundation funded the project to ensure the completion and release of an easy-to-use and practical application. The project came in under budget…
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Scaling the GitLab database
An in-depth look at the challenges faced when scaling the GitLab database and the solutions we applied to help solve the problems with our database setup.
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Timescale raises $110M Series C
Timescale just raised $110 million in our Series C, led by Tiger Global alongside all existing investors: Benchmark, New Enterprise Associates.
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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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How Time Series Databases Work, and Where They Don’t
This blog takes a deep dive into the hows and whys of time series databases—and why Honeycomb couldn't be limited to a TSDB implementation.
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Archive.org and California to start a data sharing and preservation project
Research and cultural heritage institutions are facing increasing costs to provide long-term public access to historically valuable collections of scientific data, born-digital records, and other digital artifacts. With many institutions moving data to cloud services, data sharing and access costs have become more…
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100M Photos – Geotagged, Connected, and Available for All
Last year I wrote a blog post when we hit 10 million photos, to mark the date and thank everyone who helped us get there together. Today, we just passed 100 million.
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MongoDB 3.4.0-rc3
In the past year and a half, MongoDB has put a good deal of work into improved read safety, enabled by the adoption of their new replication protocol and the WiredTiger storage engine. Dirty reads were addressed in 3.2 by introducing a majority read concern , and stale reads were addressed with the introduction of the…
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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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Algolia Acquires Search.io
Acquisition creates world’s first and only hybrid search engine combining Keyword and Vector Search in a single API.
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Super fast aggregations in PostgreSQL 19
See how PostgreSQL 19 speeds up aggregations by aggregating before joins, with a benchmark showing over 5x faster execution.
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GLM 5.2 is nearly as accurate as a human book keeper
A real quarter of UK SME books, 59 transactions, 68 minutes, $2.73 of tokens — and a VAT return within 7 pence of the human-prepared one.
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Optimizing ClickHouse for Intel's ultra-high core count processors
Intel's latest processor generations are pushing the number of cores in a server to unprecedented levels. For analytical databases like ClickHouse, ultra-high core counts represent a huge opportunity and a complex challenge.
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Open-sourcing F14 for memory-efficient hash tables
Hash tables provide a fast way to maintain a set of keys or map keys to values, even if the keys are objects, like strings. They are such a ubiquitous tool in computer science that even incremental…
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A sharded DuckDB on 63 nodes runs 1T row aggregation challenge in 5 sec
What happens when you give a distributed SQL engine a trillion-row dataset? GizmoEdge crushed the Coiled challenge with a 1,000-worker cluster on Azure.
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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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Open and portable Postgres-as-a-service. Also available on Hetzner
With Ubicloud PostgreSQL, we are releasing an open and managed PostgreSQL, and cutting your cloud database spend by 3x.
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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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The AWS and MongoDB Infrastructure of Parse
This is the extended form of a comment that got some interest on Hackernews. After a grace period of one year, Parse is now offline. This…
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Introducing schema.org: Search engines come together for a richer web
Insights from Googlers into our products, technology, and the Google culture