--- title: Best Baeldung posts — April 2025 | daily.dev description: The most upvoted Baeldung posts from April 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/baeldung/best-of/2025/04 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/baeldung/best-of/2025/04 og:type: website og:site_name: daily.dev og:title: Best Baeldung posts — April 2025 | daily.dev og:description: The most upvoted Baeldung posts from April 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Baeldung — April 2025 1. 1 [](https://daily.dev/posts/thread-per-connection-vs-thread-per-request-hqm6sjwmh "Thread per Connection vs Thread per Request") Article Baeldung · 1y Thread per Connection vs Thread per Request This post compares two server threading models: thread-per-connection and thread-per-request. It defines the terms 'connection' and 'request', discusses their implementation in Java web servers, and highlights the advantages and disadvantages of each model. Thread-per-connection involves a dedicated thread for each client connection, while thread-per-request uses a new thread for each request, regardless of connection status. The choice between these models depends on factors like scalability, context switching, and expected traffic patterns. 67 2. 2 [](https://daily.dev/posts/introduction-to-apache-kylin-vn61dev56 "Introduction to Apache Kylin") Article Baeldung · 1y Introduction to Apache Kylin Apache Kylin is an open-source OLAP engine designed for sub-second query performance on massive datasets. Initially developed by eBay and later managed by the Apache Software Foundation, it excels in handling high concurrency and integrates seamlessly with Hadoop and data lake platforms. Key features include multidimensional modeling, optimized indexing, and support for both batch and streaming data sources. The platform can be easily explored using Docker, allowing for straightforward setup, model creation, and CUBE building via SQL and REST API. 63 3. 3 [](https://daily.dev/posts/how-to-run-a-java-program-in-the-background-rac50azgu "How to Run a Java Program in the Background") Article Baeldung · 1y How to Run a Java Program in the Background Learn various methods to run a Java application as a background process, keep it running after terminal closure, and monitor it using logs. Explore the use of '&' operator, nohup, systemd services, screen, and tmux for effective process management. 36 4. 4 [](https://daily.dev/posts/monitor-a-java-application-with-new-relic-3f3m9t2xm "Monitor a Java Application With New Relic") Article Baeldung · 1y Monitor a Java Application With New Relic Learn how to monitor a Java application using New Relic, an observability platform providing real-time insights into application performance. The tutorial covers setting up a Spring Boot application, configuring the New Relic Java agent, and viewing application metrics on the New Relic dashboard to optimize performance and ensure reliability. 17 5. 5 [](https://daily.dev/posts/extracting-structured-data-from-images-using-spring-ai-0zrqmtlns "Extracting Structured Data From Images Using Spring AI") Article Baeldung · 1y Extracting Structured Data From Images Using Spring AI Learn how to extract structured data from images using the OpenAI chat model with Spring AI. The tutorial provides step-by-step instructions to create a web service that accepts image uploads, analyzes the images using OpenAI, and returns the structured data in JSON format. Key components include configuring Maven dependencies, setting up Spring Boot configurations, and defining POJO classes for structured outputs. 16 6. 6 [](https://daily.dev/posts/building-an-ai-chatbot-in-java-with-langchain4j-and-mongodb-atlas-pq7uu3reg "Building an AI Chatbot in Java With Langchain4j and MongoDB Atlas") Article Baeldung · 1y Building an AI Chatbot in Java With Langchain4j and MongoDB Atlas This guide provides a detailed walkthrough on building an AI chatbot in Java using Langchain4j and MongoDB Atlas. The chatbot can perform similarity searches using vector embeddings to understand user queries better. Dependencies, configuration, document loading flow, and chatbot flow are covered. It also includes setting up the necessary components, creating API endpoints, and testing the chatbot functionality. 11 [See all Baeldung archives](/sources/baeldung/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/baeldung/best-of/2025/04#page","url":"https://daily.dev/sources/baeldung/best-of/2025/04","name":"Best Baeldung Posts — April 2025","description":"The most upvoted Baeldung posts from April 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/baeldung/best-of/2025/04#items","numberOfItems":6,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/thread-per-connection-vs-thread-per-request-hqm6sjwmh","name":"Thread per Connection vs Thread per Request"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/introduction-to-apache-kylin-vn61dev56","name":"Introduction to Apache Kylin"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/how-to-run-a-java-program-in-the-background-rac50azgu","name":"How to Run a Java Program in the Background"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/monitor-a-java-application-with-new-relic-3f3m9t2xm","name":"Monitor a Java Application With New Relic"},{"@type":"ListItem","position":5,"url":"https://daily.dev/posts/extracting-structured-data-from-images-using-spring-ai-0zrqmtlns","name":"Extracting Structured Data From Images Using Spring AI"},{"@type":"ListItem","position":6,"url":"https://daily.dev/posts/building-an-ai-chatbot-in-java-with-langchain4j-and-mongodb-atlas-pq7uu3reg","name":"Building an AI Chatbot in Java With Langchain4j and MongoDB Atlas"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"Baeldung","item":"https://daily.dev/sources/baeldung"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/baeldung/best-of"},{"@type":"ListItem","position":5,"name":"April 2025"}]}]} ```