Engineering notes from Stratoflow, page 4
- Performance
Java Performance Problems in 2026: 7 Common Issues, Rated and Fixed
Seven Java performance problems we fix most often, from N+1 queries to OOM kills, with severity, symptoms and fixes.
- AI
Netflix Recommendation Algorithm: How Netflix Decides What You Watch
How Netflix builds your home page, from the $1 million Netflix Prize to personalized posters, explained simply.
- Performance
Java Profilers in 2026: The Best Tools and What Modern JDKs Add
What a Java profiler shows, eight tools worth using in 2026, and the profiling features recent JDKs added.
- Modernization
Enterprise Cloud in 2026: Definition, Benefits, Examples and Best Practices
What an enterprise cloud is, four real examples with their lessons, and the practices that keep cost and risk in check.
- AI
Amazon Recommendation System: How Amazon’s Algorithm Picks Your Products
How Amazon decides what to show you, in four simple steps, and what recommendations do for its sales.
- AI
Movie Recommendation System: A Business Guide for Streaming Services
What recommendations do for a streaming service, and how to add them in seven steps, from simple rows to an A/B test.
- Travel
Introduction to Meta Search Engines: What They Are, How They Work, Examples
What meta search engines are, how they turn one search into one ranked list, and what it takes to build one.
- Performance
How to Build Low Latency Java Applications: Good Practices for 2026
Good practices for low latency Java: measuring the tail, GC and allocation, warmup, threading and tuning.
- Performance
How to Improve Java Performance: Strategies That Make a Difference
Measure first, then fix what pays most: the JDK, data access, caching, garbage collection and concurrency.
- Travel
How to Start a Travel Agency Online: Licenses, Suppliers and the Platform to Buy First
A new online travel agency wins on its niche, its licenses and its supply contracts. Rent the booking platform first and build only when it holds the business back.
- Travel
How to Build a Travel Search Engine: Architecture, Caching and Steps
How travel search engines work, why travel search is harder than web search, and how to build one in eight steps.
- AI
How to Build a Recommendation Engine: Retrieval, Ranking and What LLMs Changed
Production recommender systems still run a retrieval and ranking funnel. LLM embeddings, generative recommenders and conversational front ends fit into it at specific stages.
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