WebLogic and GraalVM
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A talk about the innovation of WebLogic Server, held at the Oracle Groundbreakers Tour APAC 2020 https://oracle-groundbreakers-apac-virtual-tour-2020.heysummit.com/speakers/michel-schildmeijer/
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WebLogic and GraalVM
- 1. A presentation by Michel Schildmeijer, 30 October 2o2o A new era for application servers: WebLogic and GraalVM
- 2. • From Amsterdam, the Netherlands • Lead Technologist at Qualogy • Oracle ACE since 2012 • Authored 2 books about WebLogic in 2011 • IT Career started with UNIX in 1994 • Former BEA technology in 2000 • Focus on containerization strategies, DevOps etc. Me
- 3. Topics • Short flashback WebLogic • WebLogic: • Containerized(OKE / Verrazzano) • Cloud neutral • Jakarta EE and GraalVM • WebLogic and GraalVM Integration
- 4. Short Flashback WebLogic • WebLogic 1.48 – 1995 (founders developed also the 1st JDBC Drivers) • Ground base Caffe Roma – Caffe WebLogic in San Francisco • DBKona • JDBC drivers for interacting with databases • HTMLKona • Classes to create servlets • T3Kona • 1st Server release begin 1996
- 5. Short Flashback WebLogic • WebLogic Tengah - Nov 1997
- 6. Short Flashback WebLogic • In 1998 BEA Acquired WebLogic • In 2008 oracle Acquired BEA (10.3) • WebLogic Server 11gR3 (10.3.4) --> 01-2011 • End 2012 WebLogic 12 • End 2019 WebLogic 14
- 7. Oracle WebLogic Foundation Cloud Application Foundation for Java applications WebLogic Server Java EE: Reliability, Availability, Scalability & Performance Coherence EE Data Grid Scale Out for Java, C++, .NET Java Virtual Machines Oracle and OpenSource JVM’s DevelopmentTools Jdeveloper/Eclipse EnterpriseManager AdminandOperations WebLogic Suite Custom App Packaged App Fusion Middleware
- 8. WebLogic, Coherence 10.3.X and 3.7.X WebLogic, Coherence 12.1.X WebLogic, Coherence 12.2.1.X WebLogic, Coherence 14.1.X • Java EE 5 • JDK 6 and 7 • 2009 - 2012 • Java EE 6 • JDK 7 and 8 • 2011 - 2014 • Java EE 7 • JDK 8 • 2015 - 2019 • Java/Jakarta EE 8 • JDK 8 & 11 • 2019 + WebLogic & Coherence versions and roadmaps
- 9. Future of WebLogic • 1st Focus of Oracle will be Cloud • Focus on containers and orchestration • Domain partitions are deprecated • All Cloud versions will be released for on premise • Current on premise version: 14.1.1 and ongoing
- 10. WebLogic Cloud – Container Engine for Kubernetes (OKE) WebLogic Cloud – Virtual Machines (VM) WebLogic Cloud Options – no Java Cloud Service
- 11. OKEVM Non-JRF 12.2.1.3 Provisioning Marketplace Operator and Marketplace Universal Credit Model Yes (planned) Yes (planned) BYOL model Yes (available today) Yes (planned) Coherence (WLS Suite) Installed Yes WLS versions JRF 12.2.1.3/11.1.1.7 Non-JRF 12.2.1.3 JRF 12.2.1.3 ETA Available today (BYOL) Q1CY2020 WebLogic Cloud options
- 12. WebLogic Cloud Neutral • Containerized workloads • Monitoring and tracing tools • Service mesh • Security • Open source
- 13. WebLogic Cloud Neutral • CNCF Certified • WebLogic Server is certified & supported for production use • Container runtimes: • Docker & cri-o • Orchestration • Kubernetes • Service Mesh: • Certification for Istio is ongoing Future: • Smaller footprint for WebLogic Server • Coherence is supported in Kubernetes with operator • Java & Jakarta EE 8 support WebLogic and Coherence 14.1.1 • Verrazano
- 14. WebLogic Multi Cloud • Run on Azure: • IaaS on VMs – Azure Virtual Machines • Single Node • Only WLS install • Admin Server • Single VM, started domain & AdminServer. • Cluster • n-node highly available cluster of WLS VMs • Dynamic Cluster
- 15. WebLogic Multi Cloud AdminServer Managed Servers Cluster Azure Region Database Azure App Gateway AdminServer Managed Servers Cluster Azure Region Database Azure App Gateway Replication Azure Traffic Manager
- 16. WebLogic Multi Cloud • Run on Azure Kubernetes Service: • Azure Managed Kubernetes • Like OKE
- 17. WebLogic Enterprise Platform EE Develop Build Package/build /deploy Operate/ Monitor/Scale Monitor, Update, Patch, Extend
- 18. Verrazzano • From Coffee(Java) to Italian wine ? • Enterprise Grade Open Source Container platform • Kubernetes Open Source EE?
- 19. Verrazzano • Project from based on: • Containers (Docker) • Orchestration (Kubernetes) • Kubernetes Management(Rancher) • Identity & Access Management(Keycloak) • Service Routing (Istio) • Logging and tracing(ELK, Jaeger)
- 20. Hybrid Application and Environment Management Open Operating Systems Cloud Native Environment Public Cloud Private Cloud Hybrid Cloud Operators Verrazzano base
- 21. Hybrid Application and Environment Management Open Operating Systems Cloud Native Environment Java Microservices Polyglot microservicesTraditional Applications Public Cloud Private Cloud Hybrid Cloud Operators Verrazzano integration
- 22. WebLogic Kubernetes WebLogic Docker certification □ Docker images, Dockerfiles, GitHub WebLogic Kubernetes certification □ CNCF, OpenSource Integration □ Management: Operator □ Monitoring: Exporter for Prometheus □ Migration: Deploy tooling □ Logging: Exporter for Elastic Stack □ Image: Tool management
- 23. WebLogic Containerized Kubernetes Kubernetes Cluster pod pod pod pod pod K8S NodeK8S Node WebLogic Cluster WLS K8S operator Monitor Orchestrate manage kubectl loadbalance
- 24. WebLogic Kubernetes Operator Kubernetes Cluster pod pod pod pod pod K8S Node K8S Node WebLogic Cluster WLS K8S operator Orchestrate manage kubectl Manage WLS configured or dynamic clusters loadbalance Expose T3 + Admin Console to Ingress WLS Logs to Elastic Search Operational: Start Stop, REST API, WLDF Install Domain inputs (yaml) K8S Job Domain resource Create domain K8S resource
- 25. JakartaEE • Collaboration with the Eclipse Foundation • New standard for Enterprise Java, Java EE 8 compatible • Same Java EE 8 APIs using the javax namespace • WebLogic Server 14.1.1 supports Jakarta EE 8 • Baseline for evolution of Enterprise Java • Vendor-neutral, open source community process
- 26. Helidon – Java path to microservices • Set of libraries for bringing Java apps to microservices • Latest MicroProfile standard • JPA and JTA support • gRPC & UCP support • Performance benchmarks • GraalVM support • Supported by Oracle
- 27. • Set of libraries for bringing Java apps to microservices • Latest MicroProfile standard • JPA and JTA support • gRPC & UCP support • Performance benchmarks • GraalVM support • Supported by Oracle Helidon – Java path to microservices
- 28. GraalVM • GraalVM –virtual machine for running polyglot Applications: • JavaScript, Python, Ruby, R, Java, Scala... • The same JVM commands, flags, and options • High performance • Fully Java compliant • Run languages natively in JVM – so no Java implementation like: • Jython Python - Graalpython • JRuby Ruby - Truffleruby
- 29. GraalVM CE • Open Source Community JVM • JVM for Java based languages • Also Kotlin and Scala • Also an interpreter for non Java languages: • Python, NodeJS • And even lowlevel system languages • C, C++
- 30. Java Source code .java Java bytecodeJRE RuntimeCompiler Java Runtime JDK Compiler The Traditional Java Virtual Machine
- 31. • A Java application runs a piece of code • Code enters the JVM • It enters several stages: • Operations • Data structure • Transformation ( to bytecode) Java code JVM Operat ons Data Structu re Transformati on 110110 100 JVM Code to machine
- 32. GraalVM JAVA VM Foundation JVM Compiler InterfaceCompiler Interface GraalVM Compiler Truffle Framework Sulong JVM Languages Lightweight Languages Compiler Low Level Languages
- 33. Example Flow GraalVM C++ code LLVM Interpreter Sulong Truffle Framework Truffle Interpreter Graal Interpreter Compile & Execute
- 34. GraalVM EE • Enterprise implementation of Opensource • Subscription License • CPU • Core factor 0.25 • 6 cores require 2 processor licenses (6x0.25, rounded up) • Named User Plus • Certified for WebLogic 14 and included • Free when running on Oracle Cloud Infrastructure • Two modes: • JIT – By WebLogic • AOT – Standalone ( native image )
- 35. GraalVM EE Integration Actions • Obtain the GraalVM EE software package • Build a GraalVM EE Docker Image and push it to private container registry • Build a WebLogic 14 image using the GraalVM EE Image and push it to private registry • Create a WebLogic 14 domain on Kubernetes using the WebLogic Kubernetes Operator
- 36. GraalVM EE Image build • GraalVM EE 19.3.2
- 37. GraalVM EE Image build
- 38. GraalVM EE Image Registry
- 39. WebLogic EE Image Registry
- 42. Conclusions / Open Ends • WebLogic 14 on JDK 11 – not all features • Some endorsed jars to support EE8 on JDK8 • Not modular, still jars • No FMW support • Focus is container/cloud/neutral • Ongoing evolution of how we do IT • We need to invest in innovation • Set a roadmap/path for your IT landscape • Java Application Servers can talk many languages • But are Application Servers still relevant…?
Hinweis der Redaktion
- Good day to you all, here from the NL. Introduction, talk about the COVID situation
- Talk in brief about the topics
- We also have developed Open Sourced utilities like the Operator – to help deployment and management of the WebLogic domain and the Kubernetes resources on behalf of the WebLogic domain Monitoring Exporter – to export the WebLogic runtime metrics that can be consumed by tools like Prometheus and Grafana Deploy Tooling : to help take WebLogic configuration from on premises and move them to Containers/Kubernetes environments
- mprove productivity — Developers that have integrated containers into their development tool chains have seen improvements in productivity. One of the key reasons why is that containers provide pre-made platforms that are easy to spin up and use by developers. Before, just setting up a development environment could take days to complete to write some of the most basic apps. Containers however give the developer tools pre-installed on images that can be used for building and testing applications in an environment that closely mirrors a production environment. Read about how Lyft used containers to standardize their developer’s tools and improve productivity. Improve operation efficiency — Containers by their nature help improve operational efficiency because they decouple applications from the underlying infrastructures. This means that applications can be patched independently of the infrastructure without disrupting both the applications and the infrastructure. Applications therefore can be patched on a tighter cadence than they historically have because it doesn’t interfere with infrastructure or necessarily involved operations to deploy the applications and patches. Developers can simply patch the application images and automatically redploy them with DevOps tool chains. Cornell University combined containers with DevOps tools to streamline their IT operations and drastically improved efficiency in the organization. ht Improve time to market — One of the best ways to improve revenue is to improve time to market. The combined effects of containers on developers and improved operation efficiencies means that software ship faster with fewer bugs. This not only improves customer satisfaction, but it also translates into getting new features and new software into the hands of customers before the competition does. A McKinsey study showed how DevOps when combined with containers was able to improve 70% with time to market whenever these two were combined. Lower TCO — Besides the benefits from efficiency and productivity gains, containers generally have a lower total cost of ownership than their virtual machine counterparts. There’s a number of factors involved here, but it hinges on the fact that containers do not carry with them operating systems and their associated costs (such as licensing) and all of the operation costs of maintaining operating systems. By eliminating this overhead, it can substantially reduce the total cost of ownership for most any application being deployed into a container. more in depth. Docker too has put together a ROI savings estimator calculator that compares VM with containers. Cloud agnostic, infrastructure agnostic — Most companies these days are not selling software, rather selling SaaS or something to that effect. But for companies wanting to sell software, containers enable software to run on virtually every public cloud offering available and on premise. Azure Container Service, Azure Service Fabric, Azure Web Apps, Azure Container Instances, AWS Elastic Beanstock, AWS EC2 Container Service, and Google Compute all offer options. Likewise, Docker and/or Kubernetes can run on premise and use the exact same container images. For companies looking to be able to run an app anywhere on any cloud, public or private, containers offer a way to do this consistently across all of the platforms. The case for container adoption is fortunately easy to verify given that there are real world examples and analysis supporting the claims made by the sales pitch. The key endeavor for any organization is to focus in on how containers (or any technology for that matter) can deliver business values to justify the return on investment. In the case of containers, this is often huge given that it can practically improve every part of application lifecycle management.
- Talk in brief about the topics