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Carol McDonald
- Female
- Jacksonville, Florida
- United States
- Blog Posts (3)
- Discussions (4)
- Events
- Groups (9)
- Photos
- Photo Albums
- Videos
Carol McDonald's Groups
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GatorJUG Town
30 members
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Community Corral
23 members
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iPhone Development
40 members
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Database SIG
13 members
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JEE Town
28 members
Carol McDonald's Discussions
Some Java Concurrency Tips
Started Sep 18, 2009
Java Enterprise Tech Tips: Locking and Concurrency in Java Persistence 2.0
Started Sep 14, 2009
Comparing Tomcat and Glassfish
Started Mar 6, 2009
Gifts Received
Carol McDonald has not received any gifts yet
Carol McDonald's Page
Profile Information
- What are your main interests in software development?
- Java, Web, Ajax, Java EE, Spring, Seam, JPA, Web Services
- Do you have a website?
- http://weblogs.java.net/blog/caroljmcdonald/
- Anything else you'd like to add? Where do you live? (optional!)
- Je parle Francais. Ich kann Deutsch.
Carol McDonald's Blog
movie recommendations with Spark machine learning
Posted on August 4, 2015 at 11:15am 0 Comments 1 Like
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
An Inside Look at the Components of a Recommendation Engine
Posted on April 13, 2015 at 9:14am 1 Comment 0 Likes
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,…
Continuescreencast about MySQL for Developers
Posted on March 30, 2009 at 10:30am 0 Comments 0 Likes
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
Happy 10th year, JCertif!
Notes
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Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
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InfoQ Reading List
AWS Culls Portfolio: Over 20 Services Shift to Maintenance or Sunset
AWS is streamlining its service portfolio with a significant lifecycle update for over 20 services, categorizing them as Maintenance, Sunset, or End of Support. This consolidation aims to refocus on high-value offerings and eliminate low-adoption solutions. Customers must urgently plan migrations as AWS transitions to a more mature, efficient product landscape, supported by migration guides.
By Steef-Jan WiggersInside Duolingo’s FinOps Journey: Turning Cloud Spend into Engineering Insight
Duolingo's FinOps journey integrates financial awareness into engineering, empowering developers to link costs with performance. By leveraging real-time data, teams prioritize innovations for maximum impact. This collaborative culture shift transformed cost efficiency into a hallmark of engineering quality, paving the way for smarter, more sustainable cloud spending.
By Mark SilvesterRust Rewrite Enables Cloudflare to Boost CDN Performance and Enhance Security
By adopting Rust for one of its core subsystems, Cloudflare succeeded in reducing response time by 10 ms and boosting performance by 25%. Additionally, the company emphasized that Rust made their system more secure and reduced development time.
By Sergio De SimoneNew Infrastructure-as-Code Tool "formae" Takes Aim at Terraform
Platform Engineering Labs has released formae, an open-source infrastructure-as-code platform. It is trying to address what they describe as fundamental limitations in existing infrastructure-as-code tools. In a press release, the New York-based company announced the launch on 22 October 2025, positioning formae as the first major innovation in infrastructure-as-code in nearly a decade.
By Matt SaundersJava News Roundup: Oracle Critical Patch Update, BellSoft, Grails, Hazelcast, Langchain4j
This week's Java roundup for October 20th, 2025, features news highlighting: Oracle's Critical Patch Update (CPU) for October 2025; BellSoft CPU patches for Liberica JDK; the GA release of Grails 7.0; point releases for Micronaut, Hazelcast, LangChain4j and OpenXava; and the November 2025 beta release of Open Liberty.
By Michael Redlich
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