1/23/25 - Montreal JUG - Quarkus Compare and Contrast

Transcript

@edeandrea for Developers Eric Deandrea Sr. Principal Developer Advocate Red

Hat

@edeandrea Who’s on Stage Today? Eric Deandrea 🤘 25+ years

software development experience Java Champion 🤘 Contributor to Open Source projects Quarkus Spring Boot, Spring Framework, Spring Security LangChain4j (& Quarkus LangChain4j) Wiremock Microcks 🤘 Boston Java Users ACM Chapter Board Member 🤘 Published author

@edeandrea • How Quarkus enables modern Java development & the

Kubernetes-native experience • Introduce familiar Spring concepts, constructs, & conventions and how they map to Quarkus • Emphasis on testing patterns & practices https://red.ht/quarkus-spring-devs

@edeandrea Java,The Enterprise Workhorse

@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Java,The

Enterprise Workhorse

@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Java,The

Enterprise Workhorse

@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Cloud-Native

Microservices Spring Boot MicroProfile Java,The Enterprise Workhorse

@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Cloud-Native

@edeandrea Java / Jakarta EE J2SE / J2EE Monolith Cloud-Native

Microservices Serverless Event-Driven Microservices Cloud-Native Spring Boot MicroProfile Java,The Enterprise Workhorse

@edeandrea The Warmup Issue with Java Simon Ritter - Azul

Systems - https://youtu.be/bWmuqh6wHgE (first 13 minutes)

@edeandrea Build Time Runtime Packaging (maven, etc) gradle…) Load config

file from file system Parse it Classpath scanning to find annotated classes Attempt to load class to enable/disable features Build its model of the world. Start the management (thread, pool…) @ @ </> How Does a Framework Start?

@edeandrea The Quarkus Way Runtime Build Time @ @ </>

Package model

@edeandrea JVM Build Time @ @ </> Package model Native

The Quarkus Way enables Native Compilation

@edeandrea What’s the Secret Sauce? Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic Holly Cummins

- https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic Holly Cummins

- https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

@edeandrea What’s the Secret Sauce? Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate 🤘Jandex Indexing (offline reflection) Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate 🤘Jandex Indexing (offline reflection) Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate 🤘Jandex Indexing (offline reflection) 🤘Don’t make humans tell the computer what it knows Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

@edeandrea What’s the Secret Sauce? Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate 🤘Jandex Indexing (offline reflection) 🤘Don’t make humans tell the computer what it knows 🤘Continuous profiling & shaving Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea What’s the Secret Sauce? 🤘Don’t be dynamic 🤘Dead code

elimination / inlining 🤘Extensible build process so libraries can participate 🤘Jandex Indexing (offline reflection) 🤘Don’t make humans tell the computer what it knows 🤘Continuous profiling & shaving 🤘Be reactive without forcing humans to do reactive Holly Cummins - https://youtu.be/vnrXXvnqriA

@edeandrea Unification of Imperative & Reactive Unification of Imperative and

Reactive

@edeandrea 🤘Zero-config Live coding 🤘Auto-provision services 🤘Continuous testing 🤘Dev UI

🤘CLI Enhancing Developer Joy

@edeandrea IT’S STILL JAVA!

@edeandrea AOT/Native vs JVM Mode

@edeandrea

@edeandrea Jam Time!

@edeandrea Migration Toolkit For Applications “Simplifies the Migration of Spring

Apps to Quarkus” 🤘 Automate Application Analysis 🤘 Estimate Level of Effort 🤘 Accelerate Code Transformation & Migration 🤘 Includes Rules for DI, Metrics, Security, Web, Shell, & More https://developers.redhat.com/products/mta

@edeandrea https://www.techempower.com/benchmarks/#section=data-r22&test=db&f=zijunz-zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-v2qiv3-xamxa7-zik0zj-zik0zj-zik0zj-zik0zj- zik0zj-1ekf&hw=ph&l=zik0vz-cn3 https://www.redhat.com/en/blog/key-findings-idc-red-hat-quarkus-lab-validation https://www.reddit.com/r/java/comments/o0ewar/do_quarkus_performance_benefits_scale Don’t Take My Word For

It!

@edeandrea JVM Native Quarkus Spring Boot Ratio (Quarkus / SB)

Spring Boot (w/AOT) Ratio (Quarkus / SB AOT) Ratio (SB AOT / SB) Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.17.5 3.4.1 3.4.1 3.17.5 3.4.1 Build time (s) 12.88 7.82 164.75% 16.88 76.34% 215.81% 172.8 283.39 60.97% Av. RSS after startup (MB) 190.6 297.92 63.98% 293.88 64.86% 98.64% 71.09 206.47 34.43% Av. time to 1st req (ms) 4,684 8,885.33 52.72% 7,940 58.99% 89.36% 132.67 924.33 14.35% Av. RSS after 1st req (MB) 241.29 344.86 69.97% 335.76 71.86% 97.36% 78.95 208.87 37.8% Av. throughput (req/sec) 30,769.99 6,713.7 458.32% 6,750.04 455.85% 100.54% 16,189.26 6,024.12 268.74% Max throughput density (req/sec/MB) 41.77 8.58 487.08% 8.75 477.32% 102.04% 61.1 14.33 426.38% Build RSS (GB) 6.0 7.83 76.63% Binary Size (MB) 90.47 156.58 57.78% Don’t Take My Word For It! Some real numbers (8 cores, 14GB RAM, GraalVM CE 21.0.2)

@edeandrea JVM Native Quarkus Spring Boot Ratio (Quarkus / SB)

@edeandrea A Real Example

@edeandrea 🤘 Spring Boot 3 application contents: ◦ 39,533 classes

◦ 84,792 fields ◦ 285,156 methods ◦ Reflection: ◦ 11,143 classes ◦ 1,637 fields ◦ 13,032 methods A Real Example

@edeandrea 🤘 Spring Boot 3 application contents: ◦ 39,533 classes

◦ 84,792 fields ◦ 285,156 methods ◦ Reflection: ◦ 11,143 classes ◦ 1,637 fields ◦ 13,032 methods 🤘 Quarkus 3 application contents: ◦ 23,814 classes ◦ 47,373 fields ◦ 190,150 methods ◦ Reflection: ◦ 6,691 classes ◦ 202 fields ◦ 4,971 methods A Real Example

@edeandrea 🤘 Spring Boot 3 application contents: ◦ 39,533 classes

◦ 84,792 fields ◦ 285,156 methods ◦ Reflection: ◦ 11,143 classes ◦ 1,637 fields ◦ 13,032 methods 🤘 Quarkus 3 application contents: ◦ 23,814 classes ◦ 47,373 fields ◦ 190,150 methods ◦ Reflection: ◦ 6,691 classes ◦ 202 fields ◦ 4,971 methods 🤘 The Quarkus application has: ◦ 15,719 (40%) less classes ◦ 37,419 (44%) less fields ◦ 87,519 (33%) less methods ◦ 4,452 (40%) less classes using reflection ◦ 1,435 (88%) less fields using reflection ◦ 8,061 (62%) less methods using reflection A Real Example

1/23/25 - Montreal JUG - Quarkus Compare and Co...

1/23/25 - Montreal JUG - Quarkus Compare and Contrast

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