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The most popular blog posts about databases & data on Hacker News. 4,224 posts.
YC Stats Winter 2015
Here is what YC looks like in Winter 2015 Number of startups in the W15 batch: 114 Number of companies funded by YC overall: 842 Total market cap of all YC companies: Over $30B Total money raised by YC companies: Over $3B Number of YC companies worth more than $1B: 4 Number of YC companies worth more than $100…
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.
What’s the origin of the phrase “big data doesn’t fit in excel”?
Welcome to Yak Shaving School! As part of my MSc I'm reading a book about Data Analytics. So I've been chasing down quotes to find their origin. One paper had this popular quote in it (emphasis added): As with many rapidly emerging concepts, Big Data has been variously defined and operationalized, ranging from trite…
UUIDv7 Comes to PostgreSQL 18
PostgreSQL 18 adds native support for UUIDv7. A timestamp-based UUID variant that plays nicely with btree indexes. Here's what that means for you.
FastMRI initiative releases neuroimaging data set
As part of the fastMRI research project to use AI to speed up MRI scans, NYU Langone Health is making a new dataset of de-identified brain MRIs available to researchers and Facebook AI is sharing additional tools and resources.
Using machine learning to choose compression algorithms
30% less disk required compared to using the single best strategy
NYC taxi meter and options pricing
An experiment analyzing the NYC taxi dataset through the eyes of an options trader.
A Predictive Database
What is a predictive database? A database that lets you query predictions from structured tabular data with no model training step. Learn how predictive databases work, when to use them, and how they compare to traditional ML.
What’s New in PostgreSQL 18 – a Developer’s Perspective
PostgreSQL 18 features that change how application developers write and ship code.
Nearest neighbor indexes for similarity search
Vector similarity search is a game-changer in the world of search. It allows us to efficiently search a huge range of media, from GIFs to articles — with incredible accuracy in sub-second timescales for billion+ size datasets.
PostgreSQL Logical Replication Explained
Vigneshwaran C explained the internals of PostgreSQL Logical Replication during PGConf India - if you were not able to attend, you can read all here.
Hard Drive Stats for Q2 2018
This review looks at the quarterly and lifetime statistics for 98,184 hard drives with a focus on consumer vs. enterprise drive reliability.
Analytics at GitHub
In the interest of getting back into writing, I want to break the seal with a simple “what have I been up to and thinking about lately” style post.…
Massively Parallel Postgres Backups
PlanetScale backs up petabyte-scale sharded Postgres databases in hours using parallel infrastructure, object storage, and WAL replay.
How to Find and Stop Running Queries on PostgreSQL
Your PostgreSQL server is seizing up, with some naughty queries consuming too many resources or blocking others. Don’t panic! You can stop those problem queries and stabilize your system.
Cassandra 1.0: 400% read performance improvement
Deepening watsonx capabilities to address enterprise gen AI data needs with DataStax.
Modelling game economy with Neo4j
Learn to build production-ready serverless applications on AWS
Free Data Science Books
I've been impressed in recent months by the number and quality of free datascience/machine learning books available online. I don't mean fre...
Our Journey with Apache Arrow (Part 2): Adaptive Schemas and Sorting
In the previous article, we discussed our use of Apache Arrow within the context of the OpenTelemetry project. We investigated various techniques to maximize the efficiency of Apache Arrow, aiming to find the optimal balance between data compression ratio and queryability. The compression results speak for themselves…
A Guide to Bayesian Statistics
A guide for getting started with Bayesian Statistics! Start your way with Bayes' Theorem and end up building your own Bayesian Hypothesis test!
Document Clustering with Python
ASIAN4D membahas apakah pola Toto4D benar-benar ada, bagaimana cara pemain membacanya, serta insight sederhana yang sering dipakai pemain Indonesia.