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SAP_JAVA_Architecture_Advanced_Training.pptx
- 1. SAP JAVA Architecture– Enterprise Training L3 Support | Technical Deep Dive | Corporate Training Material
- 2. Agenda • SAP Java– Concept and Enterprise Usage • SAP NetWeaver Java Deep Architecture • SAP Java Start/Stop Internal Flow • Java Stack Administration Tools (Deep Dive) • SAP Java Monitoring & Performance Tuning • Support Package & Patch Lifecycle Management • Best Practices – L3 Support Perspective
- 3. What is SAPJava (Technical View) • SAP Java Stack is based on SAP NetWeaver Application Server Java (AS Java) • Implements Java EE standards • Provides cluster-based enterprise runtime environment • Supports SAP middleware and portal technologies • Runs on JVM optimized for SAP workloads
- 4. SAP Java InternalRuntime Components • Java Dispatcher – Request routing • Server Processes – Execute Java applications • SDM / Deployment Services • JVM Memory Structure – Heap, PermGen/Metaspace • Thread Management and Connection Pools
- 5. Enterprise Use Casesof SAP Java • SAP Enterprise Portal (EP) • SAP PI/PO Integration Engines • SAP Solution Manager Java Components • Identity Management and Access Control • SAP Cloud Connectors
- 6. SAP Java MultiTier Architecture • Presentation Layer → Application Layer → Database Layer Presentation Application (AS Java) Database
- 7. SAP Java ClusterArchitecture (Deep Dive) • Central Services Instance (SCS) • Multiple Server Nodes • Message Server – Load Balancing • Enqueue Service – Lock Management • Database Layer – Persistent Storage
- 8. SAP Java ClusterLogical View • User Requests → Dispatcher → Server Nodes → DB Dispatcher Server Node 1 Server Node 2
- 9. SAP NetWeaver JavaEngine Deep Architecture • Java EE Containers (Web, EJB, Services) • Cluster Manager • Security Provider Framework • JMX Monitoring Layer • Service Registry
- 10. Java Security Architecture •UME – User Management Engine • Authentication – LDAP, AD, SSO • Authorization – Role Based Access • Secure Network Communication (SSL) • Ticket Based Authentication
- 11. SAP Java StartProcess – Technical Sequence • Database Startup • Central Services (SCS) Startup • Dispatcher Initialization • Server Nodes Startup • Application Services Startup
- 12. SAP Java StopProcess – Technical Sequence • Stop Applications • Stop Server Nodes • Stop Dispatcher • Stop Central Services • Stop Database
- 13. SAP Java AdministrationTools – Deep View • NWA – Central Administration • Config Tool – Offline Configuration • Telnet – Low Level Debug • SAP MMC – OS Level Control • Log Viewer – Root Cause Analysis
- 14. NWA Technical Areas •System Monitoring • Configuration Management • Performance Monitoring • Log and Trace Monitoring • User Administration
- 15. SAP Java Monitoring– Technical Metrics • Heap Memory Usage • Thread Count Monitoring • DB Connection Usage • CPU and OS Resource Utilization • GC Performance Metrics
- 16. Java Performance TuningAreas • JVM Parameter Optimization • GC Tuning • Thread Pool Optimization • Connection Pool Optimization • Service Restart Strategy
- 17. Java Support PackageLifecycle • Patch Planning • SUM Tool Execution • Downtime Planning • Validation Testing • Post Patch Monitoring
- 18. SUM Technical Phases •Extraction Phase • Configuration Phase • Execution Phase • Downtime Phase • Finalization Phase
- 19. Common Production Issues(L3 Level) • OutOfMemory Errors • Thread Deadlocks • DB Connection Exhaustion • Deployment Failures • Cluster Node Failures
- 20. SAP Java Logs– Important Locations • DefaultTrace Logs • System Logs • Server Node Logs • GC Logs • Security Logs
- 21. SAP Java BestPractices (Enterprise) • Proactive Monitoring • Patch Compliance • Capacity Planning • Regular Log Review • Backup Validation
- 22. Training Summary • SAPJava is Enterprise Grade Runtime Platform • Architecture Understanding is Critical • Monitoring Prevents Major Incidents • Patch Management Ensures Stability • Tools Knowledge Defines Support Efficiency
Editor's Notes
- #2 This training is designed for L3 support engineers and senior SAP Basis professionals.
- #3 Focus on AS Java runtime, cluster nodes, and enterprise workload handling.
- #4 Important for troubleshooting performance and memory issues in production.
- #5 Interview focus: Why Java stack used instead of ABAP stack.
- #6 Explain request flow from browser to database via Java server nodes.
- #7 Cluster architecture ensures high availability and scalability.
- #8 Explain load balancing and failover scenarios.
- #9 Important topic for architecture interviews.
- #10 Security architecture is critical in production landscape.
- #11 Explain dependency chain – Common interview question.
- #12 Used during patching and maintenance windows.
- #13 Know which tool to use in which scenario.
- #14 NWA is primary daily working tool for L2/L3 support.
- #15 Memory leaks and thread locks are common production issues.
- #16 Used for performance incident resolution.
- #17 Patch failures require log analysis and rollback planning.
- #18 Very common L3 troubleshooting topic.
- #19 Be ready with troubleshooting approach in interviews.
- #20 Log reading is core L3 skill.
- #21 Corporate environments require compliance and audit readiness.
- #22 Summarize key training outcomes.