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@edeandrea

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@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

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@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 Free copy (while they last)! Come see me at the Red Hat booth! 2:00 PM today!

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@edeandrea Java, The Enterprise Workhorse

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@edeandrea Java, The Enterprise Workhorse

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

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

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@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Cloud-Native Microservices Spring Boot MicroProfile Java, The Enterprise Workhorse

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@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Cloud-Native Microservices Spring Boot MicroProfile Java, The Enterprise Workhorse

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@edeandrea Monolith J2SE / J2EE Java / Jakarta EE Cloud-Native Microservices Spring Boot MicroProfile Java, The Enterprise Workhorse

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@edeandrea Java / Jakarta EE J2SE / J2EE Monolith Cloud-Native Microservices Spring Boot MicroProfile Java, The Enterprise Workhorse

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@edeandrea Java / Jakarta EE J2SE / J2EE Monolith Cloud-Native Microservices Serverless Event-Driven Microservices Cloud-Native Spring Boot MicroProfile Java, The Enterprise Workhorse

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@edeandrea The Warmup Issue with Java Simon Ritter - Azul Systems - https://youtu.be/bWmuqh6wHgE (first 13 minutes)

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@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?

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@edeandrea The Quarkus Way Runtime Build Time @ 
 @ > Package 
 model

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@edeandrea JVM Build Time @ 
 @ > Package 
 model Native The Quarkus Way enables Native Compilation

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@edeandrea Unification of Imperative & Reactive Unification of Imperative and Reactive

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@edeandrea 🤘Zero-config Live coding 🤘Auto-provision services 🤘Continuous testing 🤘Dev UI 🤘CLI Enhancing Developer Joy

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@edeandrea IT’S STILL JAVA!

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@edeandrea

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@edeandrea Jam Time!

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@edeandrea https://www.techempower.com/benchmarks/#section=data-r21&test=db&f=zijunz-zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-zik0zj-v2qiv3-xamxa7-zik0zj-zik0zj-zik0zj-zik0zj-35r 
 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!

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@edeandrea JVM Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 7.85 4.12 190.69% Av. RSS after startup (MB) 174.29 264.37 65.93% Av. time to 1st req (ms) 2,498.33 5,354 46.66% Av. RSS after 1st req (MB) 233.38 313.83 74.36% Av. throughput (req/sec) 28,212.77 7,159.16 394.08% Av. RSS for max throughput (MB) 412.74 472.65 87.33% Max throughput density (req/sec/ MB) 69.87 15.39 454.13% Native Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 128 210.25 60.88% Av. RSS after startup (MB) 65.7 148.66 44.19% Av. time to 1st req (ms) 51.33 222.33 23.09% Av. RSS after 1st req (MB) 72.89 151.43 48.14% Av. throughput (req/sec) 17,661.69 6,196.88 285.01% Av. RSS for max throughput (MB) 344.49 480.85 71.64% Max throughput density (req/sec/ MB) 54.84 13.8 397.54% Don’t Take My Word For It! Some real numbers (8 cores, 12GB RAM, GraalVM 22.3.1.r17)

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@edeandrea JVM Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 7.85 4.12 190.69% Av. RSS after startup (MB) 174.29 264.37 65.93% Av. time to 1st req (ms) 2,498.33 5,354 46.66% Av. RSS after 1st req (MB) 233.38 313.83 74.36% Av. throughput (req/sec) 28,212.77 7,159.16 394.08% Av. RSS for max throughput (MB) 412.74 472.65 87.33% Max throughput density (req/sec/ MB) 69.87 15.39 454.13% Native Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 128 210.25 60.88% Av. RSS after startup (MB) 65.7 148.66 44.19% Av. time to 1st req (ms) 51.33 222.33 23.09% Av. RSS after 1st req (MB) 72.89 151.43 48.14% Av. throughput (req/sec) 17,661.69 6,196.88 285.01% Av. RSS for max throughput (MB) 344.49 480.85 71.64% Max throughput density (req/sec/ MB) 54.84 13.8 397.54% Don’t Take My Word For It! Some real numbers (8 cores, 12GB RAM, GraalVM 22.3.1.r17)

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@edeandrea JVM Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 7.85 4.12 190.69% Av. RSS after startup (MB) 174.29 264.37 65.93% Av. time to 1st req (ms) 2,498.33 5,354 46.66% Av. RSS after 1st req (MB) 233.38 313.83 74.36% Av. throughput (req/sec) 28,212.77 7,159.16 394.08% Av. RSS for max throughput (MB) 412.74 472.65 87.33% Max throughput density (req/sec/ MB) 69.87 15.39 454.13% Native Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 128 210.25 60.88% Av. RSS after startup (MB) 65.7 148.66 44.19% Av. time to 1st req (ms) 51.33 222.33 23.09% Av. RSS after 1st req (MB) 72.89 151.43 48.14% Av. throughput (req/sec) 17,661.69 6,196.88 285.01% Av. RSS for max throughput (MB) 344.49 480.85 71.64% Max throughput density (req/sec/ MB) 54.84 13.8 397.54% Don’t Take My Word For It! Some real numbers (8 cores, 12GB RAM, GraalVM 22.3.1.r17)

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@edeandrea JVM Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 7.85 4.12 190.69% Av. RSS after startup (MB) 174.29 264.37 65.93% Av. time to 1st req (ms) 2,498.33 5,354 46.66% Av. RSS after 1st req (MB) 233.38 313.83 74.36% Av. throughput (req/sec) 28,212.77 7,159.16 394.08% Av. RSS for max throughput (MB) 412.74 472.65 87.33% Max throughput density (req/sec/ MB) 69.87 15.39 454.13% Native Quarkus Spring Boot Ratio (Quarkus / SB) Framework version 3.2.4.Final 3.1.2 Build time (s) 128 210.25 60.88% Av. RSS after startup (MB) 65.7 148.66 44.19% Av. time to 1st req (ms) 51.33 222.33 23.09% Av. RSS after 1st req (MB) 72.89 151.43 48.14% Av. throughput (req/sec) 17,661.69 6,196.88 285.01% Av. RSS for max throughput (MB) 344.49 480.85 71.64% Max throughput density (req/sec/ MB) 54.84 13.8 397.54% Don’t Take My Word For It! Some real numbers (8 cores, 12GB RAM, GraalVM 22.3.1.r17)

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@edeandrea A Real Example

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@edeandrea 🤘 Compiling a Spring Boot 3 application: ○ 36,583 classes ○ 80,008 fields ○ 256,009 methods ○ 1,783 classes, 2,186 fields, & 11,236 methods using reflection A Real Example

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@edeandrea 🤘 Compiling a Spring Boot 3 application: ○ 36,583 classes ○ 80,008 fields ○ 256,009 methods ○ 1,783 classes, 2,186 fields, & 11,236 methods using reflection 🤘 Compiling a Quarkus 3 application: ○ 22,420 classes ○ 45,178 fields ○ 180,478 methods ○ 733 classes, 160 fields, & 3,968 methods using reflection A Real Example

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@edeandrea 🤘 Compiling a Spring Boot 3 application: ○ 36,583 classes ○ 80,008 fields ○ 256,009 methods ○ 1,783 classes, 2,186 fields, & 11,236 methods using reflection 🤘 Compiling a Quarkus 3 application: ○ 22,420 classes ○ 45,178 fields ○ 180,478 methods ○ 733 classes, 160 fields, & 3,968 methods using reflection 🤘 The Quarkus application has: ○ 14,163 (39%) less classes ○ 34,830 (44%) less fields ○ 75,531 (30%) less methods ○ 1,050 (59%) less classes using reflection ○ 2,026 (92%) less fields using reflection ○ 7,268 (65%) less methods using reflection A Real Example

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@edeandrea https://www.redhat.com/en/resources/greener-java-applications-detail Setup 🤘 AWS (us-east-1) 🤘 SLA > 99% 🤘 800 req/sec over 20 days 🤘 50% load The Cost / Carbon Impact

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@edeandrea

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@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

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@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 Free copy (while they last)! Come see me at the Red Hat booth! 2:00 PM today!

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@edeandrea Thank You!