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Carol McDonald's Blog (3)
movie recommendations with Spark machine learning
Tutorial on Apache Spark, movie recommendations with machine learning
This post discusses building a recommendation model from movie ratings using an iterative algorithm and parallel processing with Apache Spark MLlib.
https://dzone.com/links/parallel-and-iterative-processing-for-machine-lear.html
Added by Carol McDonald on August 4, 2015 at 11:15am — No Comments
An Inside Look at the Components of a Recommendation Engine
Recommendation engines help narrow your choices to those that best meet your particular needs. In this post, we’re going to take a closer look at how all the different components of a recommendation engine work together. We’re going to use collaborative filtering on movie ratings data to recommend movies. The key components are a collaborative filtering algorithm in Apache Mahout to build and train a machine learning model,…
ContinueAdded by Carol McDonald on April 13, 2015 at 9:14am — 1 Comment
screencast about MySQL for Developers
If you are a developer using MySQL, you should learn enough to take advantage of its strengths, because having an understanding of the database can help you develop better-performing applications. This session will talk about MySQL database design and SQL tuning for developers. Some topics include:
* MySQL Storage Engine Architecture
* Schema, the basic foundation of performance
* Think about performance when… Continue
Added by Carol McDonald on March 30, 2009 at 10:30am — No Comments
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Welcome to Codetown!
Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
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Etsy Migrates 1000-Shard, 425 TB MySQL Sharding Architecture to Vitess
The Etsy engineering team recently described how the company migrated its long-running MySQL sharding infrastructure to Vitess. The transition moved shard routing from Etsy’s internal systems to Vitess using vindexes, enabling capabilities such as resharding data and sharding previously unsharded tables.
By Renato LosioPresentation: Latency: The Race to Zero...Are We There Yet?
Amir Langer discusses the evolution of latency reduction, from the Pony Express to modern hardware. He explains how separation of concerns - decoupling business logic from I/O - and tools like Aeron and the Disruptor achieve single-digit microsecond speeds. He shares insights into replicated state machines, consensus protocols like Raft, and the future of low-latency sequencer architectures.
By Amir LangerCNCF and Kusari Partner to Strengthen Software Supply Chain Security Across Cloud-Native Projects
The Cloud Native Computing Foundation (CNCF) and Kusari have announced a new collaboration aimed at strengthening software supply chain security across cloud-native projects, providing free access to Kusari's AI-powered security tooling for CNCF-hosted projects.
By Craig RisiGoogle Cloud Highlights Ongoing Work on PostgreSQL Core Capabilities
Google Cloud has outlined its recent technical contributions to PostgreSQL, emphasizing improvements in logical replication, upgrade processes, and overall system stability. The update reflects ongoing collaboration with the upstream community and focuses on enhancements to the core engine aimed at addressing scalability, replication, and operational challenges.
By Robert KrzaczyńskiSafari Adds scrollend Event Support, Completing Baseline Browser Coverage
Safari's release of version 26.2 in December introduced support for the scrollend event, completing its alignment with major browsers. This event signals when scrolling has definitively ended, enabling more reliable interactions without the need for workarounds. It improves performance for developers managing UI updates and data fetching based on scroll completion.
By Daniel Curtis
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