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PostgreSQL 9.6.2, 9.5.6, 9.4.11, 9.3.16 and 9.2.20 released
The PostgreSQL Global Development Group has released an update to all supported versions of our database system, including 9.6.2, 9.5.6, …
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Amazon Aurora with PostgreSQL Compatibility
Late last year I told you about our plans to add PostgreSQL compatibility to Amazon Aurora. We launched the private beta shortly after that announcement, and followed it up earlier this year with an open preview. We’ve received lots of great feedback during the beta and the preview and have done our best to make […]
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Words growing or shrinking in Hacker News titles: a tidy analysis
In May, some friends and I built Tagger News, a real-time automatic classifier of Hacker News articles based on their text (see here for more about how we built it). This process started me down some interesting paths, particularly analyzing trends in titles. By finding words that became more or less common in Hacker…
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Prime Day 2017: 12.9M DynamoDB requests per second
The third annual Prime Day set another round of records for global orders, topping Black Friday and Cyber Monday, making it the biggest day in Amazon retail history. Over the course of the 30 hour event, tens of millions of Prime members purchased things like Echo Dots, Fire tablets, programmable pressure cookers…
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Faiss: A library for efficient similarity search
Visit the post for more.
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A Comparison of Distributed Machine Learning Platforms
This paper surveys the design approaches used in distributed machine learning (ML) platforms and proposes future research directions. This ...
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Transactionally Staged Job Drains in Postgres
Building a robust background worker system that leverages transactional isolation to never work a job too early, and transactional durability to never let one drop.
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Why the bounce rate of AMP pages is so high
Your AMP pages have a higher than usual bounce rate? Don't worry, your data may be wrong. In this article, I explain you why.
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Serverless Aurora
Learn what Serverless Aurora is, what it means for serverless developers, and why we think it's the future of data. Solving the serverless data layer.
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The New Gold Rush? Wall Street Wants Your Data
I invest in early-stage AI, ML, and data startups at FirstMark Capital, and I write about the space here
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Databases and Distributed Deadlocks: A FAQ
A developer FAQ created by the Citus engineering team when they first began working on distributed deadlock detection in the Citus database. Explores when PostgreSQL acquires locks, when deadlocks occur, and how Citus detects and prevents distributed deadlocks in Postgres.
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Getting Started with Event Sourcing in Postgres
In a previous post we explored how our application tracks sent emails. We set things up to update or insert a record for each email with the current state (delivered, dropped, etc). In this post we'll look at an alternative data model where we'll store each event as its own record and then roll up t
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Unbalanced reads from SSDs in software RAID mirrors in Linux
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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What the SATs Taught Us about Finding the Perfect Fit
On the Stitch Fix Algorithms team, we’ve always been in awe of what professional stylists are able to do, especially when it comes to knowing a customer’s si...
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Postgres Job Queues and Failure by MVCC
How Postgres’ concurrency model coupled with long-lived transactions can degrade the performance of indexes on hot tables in your database.
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Turning the database inside-out with Apache Samza (2015)
Confluent is building the foundational platform for data in motion so any organization can innovate and win in a digital-first world.