Oracle WebLogic Server 14c: Performance Tuning Workshop

Course Introduction

• Course Objectives
• Target Audience
• Course Prerequisites
• Course Schedule
• Course Practices
• For More Information
• Related Training

Performance Tuning: Overview

• Learning Objectives
• Agenda
• Performance Terminology
• Scalability
• Performance Testing
• Maintaining Test Integrity
• Benchmarking
• Load and Stress Testing
• Why is testing important?
• Performance Tuning Methodology
• Performance Testing Concerns
• Performance Testing Methodology Tips
• Metrics
• Results Reporting
• Bottlenecks
• CPU Bound
• I/O Bound
• Disk Bound
• Network Bound
• Database Bound
• Section Summary
• Practice 2-1 Overview: Setting Up the Practice Environment
• Practice 2-2 Overview: Exploring the Course Applications
• Agenda
• Load-Testing Tools
• Choosing Testing Tools
• The Grinder
• The Grinder Architecture
• The Grinder Console
• The Grinder Summary Statistics
• Monitoring Performance by Using the Administration Console
• Oracle WebLogic Server Monitoring Dashboard
• Monitoring Dashboard: Views
• Summary
• Practice 2-3 Overview: Executing a Benchmark
• Practice 2-4 Overview: Stress Testing an Application and Identifying
• Bottlenecks

Tuning Operating System Resources

• Learning Objectives
• Agenda
• Processor Metrics
• Memory Metrics
• Network Interface Metrics
• I/O Device Metrics
• Section Summary
• Agenda
• What to Monitor in the Operating System
• CPU Utilization: What to Look For
• CPU Usage in the Linux Environment
• sar Command
• vmstat Command
• iostat Command
• netstat Command
• System Monitor
• Performance Tools and Commands
• Monitoring Disk I/O
• Swapping
• inode Cache
• Section Summary
• Practice 3-1 Overview: Monitoring Linux CPU Utilization
• Practice 3-2 Overview: Monitoring Linux Disk I/O
• Practice 3-3 Overview: Monitoring Linux Virtual Memory and Network
• Agenda
• File Handles
• TCP/IP Parameters to Support a Large Number of Connections
• Summary
• Practice 3-4 Overview: Analyzing and Tuning Linux Kernel Parameters

Tuning HotSpot JVM

• Learning Objectives
• Assumptions and Expectations
• Agenda
• What is performance?
• Performance Focus for This Lesson
• HotSpot JVM Monitoring Tools
• Section Summary
• Agenda
• Garbage Collection Basics
• Generational Garbage Collection
• Garbage Collectors: Java Heap Options
• Setting Heap Memory Size
• Setting Heap Size Options
• G1 Garbage Collector
• GC Algorithms
• GC Performance Goals
• Focusing on Throughput
• Ergonomics
• Focusing on Responsiveness
• Evaluating GC Algorithm
• GC Tuning Tips
• Server-Class Machine Detection
• Ergonomics: What It Does
• Section Summary
• Practice 4-1 Overview: Tuning JVM Garbage Collection
• Agenda
• Using jps
• Using jps: Example
• Using jcmd
• Using jcmd: Examples
• Using jcmd: Histogram
• Using jinfo
• Using jstat
• Using jstack
• jstack
• Section Summary
• Practice 4-2 Overview: Using JVM Command-Line Tools
• Agenda
• Java Monitoring and Management Architecture
• Using jconsole
• VisualVM
• VisualVM Connections
• Remote Monitoring
• VisualVM Interface
• Monitoring JVM
• Monitoring Threads
• JVM Sampler and Profiling
• VisualVM Plugins
• Using VisualGC
• Practice 4-3 Overview: Using Java VisualVM
• Practice 4-4 Overview: Using VisualGC and jconsole
• Java Mission Control
• Java Discovery Protocol
• Mission Control: Architecture
• JVM Browser
• Mission Control: Management Console Overview Tab
• Server Information Tab
• MBeans: Attributes, Operations, Notifications, and Metadata
• MBeans: Triggers
• System and Memory Tabs
• Runtime: Threads
• Practice 4-5 Overview: Using Mission Control
• Flight Recorder
• Flight Recorder: Benefits
• Data Flow in Flight Recorder
• Initiating Recording Using the Management Console
• Flight Recording Automatic Analysis
• Flight Recorder Detailed Data Examples
• Flight Recorder General Tab
• Flight Recorder Memory
• Flight Recorder: Garbage Collections
• Flight Recorder Memory: Object Statistics
• Summary
• Practice 4-6 Overview: Using Flight Recorder

Monitoring and Tuning Server Performance

• Learning Objectives
• Agenda
• On-Demand Deployment
• Enabling Exalogic Optimizations
• Monitoring Channel Connections
• Section Summary
• Agenda
• Stuck Threads
• Configuring Stuck Threads Behavior
• Parameters for Stuck Threads at the Server Level
• Actions Upon Stuck Threads Condition
• Automatic Restart of a Failed Server
• WebLogic Overload
• Section Summary
• Practice 5-1 Overview: Configuring Server Stuck Thread Behavior
• Practice 5-2 Overview: Configuring Automatic Restarting of a Failed Server
• Practice 5-3 Overview: Configuring WebLogic Overload Protection
• Agenda
• Secure Sockets Layer
• Section Summary
• Agenda
• Logging Considerations
• Summary

Monitoring and Tuning Cluster Performance

• Learning Objectives
• Agenda
• Cluster: Review
• Benefits of Clustering
• Basic (Single-Tier) Cluster Architecture
• Multitier Cluster Architecture
• Remote Calls and Deployment Packaging
• Architecture Advantages and Disadvantages
• Cluster Communication
• Section Summary
• Practice 6-1 Overview: Configuring Unicast and Multicast Clustering
• Agenda
• A Cluster Proxy for a Web Application Cluster
• Proxy Plug-Ins
• Oracle HTTP Server
• Hardware Load Balancers
• Section Summary
• Agenda
• HTTP Session Persistence
• In-Memory Session Replication
• File Session Persistence
• JDBC Session Persistence
• Oracle Coherence: Overview
• Coherence*Web and WebLogic Clusters
• Session Persistence Comparison
• Summary
• Practice 6-2 Overview: Tuning Session Persistence

Tuning JDBC Performance

• Learning Objectives
• Agenda
• Connection Pools
• Connection Pool Sizing
• Database Listener Timeouts
• JDBC and Application Design
• Section Summary
• Agenda
• Connection Testing
• Shrink Frequency
• Section Summary
• Practice 7-1 Overview: Tuning JDBC Connection Pools
• Agenda
• Row Prefetch
• Statement Caching
• Statement Cache Tuning
• Connection Pinned-To-Thread
• Section Summary
• Practice 7-2 Overview: Testing the Performance of JDBC Statement Caching
• Practice 7-3 Overview: Testing the Performance of Pinned-To-Thread
• Agenda
• Combining Transactions
• Batch Updates
• Section Summary
• Practice 7-4 Overview: Configuring Batch Updates
• Agenda
• Exalogic Optimizations
• Section Summary
• Agenda
• Oracle Database Tuning
• Tips for Tuning Other Databases
• Summary
• Practice 7-5 Overview: Tuning an Oracle Database for WebLogic

Configuring Work Managers

• Learning Objectives
• Agenda
• WebLogic Server Threads
• Monitoring a Server Thread Pool
• Monitoring Server Threads
• Section Summary
• Agenda
• Work Managers
• Work Manager Scope
• Work Manager Architecture
• Default Work Manager
• Section Summary
• Agenda
• Request Classes
• Creating a Work Manager
• Creating a Request Class
• Constraints
• Creating a Constraint
• Work Manager WLST Example
• Work Managers and Stuck Threads
• Assigning Work Managers to Applications
• Practice 8-1 Overview: Creating and Using Work Managers
• Practice 8-2 Overview: Configuring Work Manager Constraints

Tuning Java EE Applications

• Learning Objectives
• Agenda
• What is a JavaServer Page?
• JSP Request Processing
• Precompiled JSP
• The appc Application Compiler
• Using the precompile Parameter
• Tuning JSP: Compilation Tuning
• HttpSession Replication Tuning
• The keepgenerated Parameter
• Page Check Interval
• Servlet Reload Check Interval
• Using Web Servers for Static Content
• Session Timeout
• Session Invalidation
• Page Directive and HTTP Session
• Using Custom JSP Tags
• Using the WebLogic cache Tag
• Web Application Tuning JSP and Servlet Output Buffer Tuning
• Section Summary
• Practice 9-1 Overview: Tuning JSP
• Agenda
• Enterprise JavaBeans
• Stateless Session Beans
• Stateless Session Beans Tuning
• Pool Miss Ratio
• Pool Management
• Determining the Pool Size
• Configuring a Stateless Session EJB Pool
• Message-Driven Beans
• Configuring an MDB Pool
• Configuring the Use of Batching with an MDB
• MDB Tuning
• Stateful Session Beans
• Cache Management
• What happens when the cache fills up?
• Determining the Cache Size
• Idle Timeout and Eligibility
• Cache Type
• Configuring a Stateful Session EJB Cache
• Using Filtering ClassLoaders
• General Application Performance Problems
• EJBs: Coding for Performance
• Summary
• Practice 9-2 Overview: Tuning Stateless EJBs

Oracle Cloud

• Agenda
• What is cloud?
• What is cloud computing?
• History: Cloud Evolution
• Components of Cloud Computing
• Characteristics of Cloud
• Cloud Deployment Models
• Cloud Service Models
• Industry Shifting from On-Premises to the Cloud
• Oracle IaaS Overview
• Oracle PaaS Overview
• Oracle SaaS Overview
• Summary

Oracle Java Cloud Service Overview

• Learning Objectives
• Introducing Java Cloud Service
• Java Cloud Service: Three Options
• Java Cloud Service Main Use Cases
• Java Cloud Service Feature: Provisioning
• Java Cloud Service Feature: Patching
• Java Cloud Service Feature: Backup/Restore
• Java Cloud Service Feature: Scaling
• Oracle Coherence Option: Data Caching and Scaling
• Oracle Coherence Option: Your Cloud Data Grid
• How You Interact with Java Cloud Service
• Speaking of Dev Environments…Developer Cloud Service
• Java Cloud Service On-Premises!
• Summary

Appendix: Reference Slides

• Quiz
• The Grinder Agent Configuration
• Steps to Use The Grinder
• Setting Up a Test Directory for The Grinder
• The Grinder Scripts
• Recording Scripts with TCPProxy
• Sample grinder.properties File
• httpscript.py File
• Running the Tests
• Test Results
• out_host-n.log
• The Grinder Console
• Creating a View and Adding a Chart to View
• Quiz
• Other Useful Commands
• Garbage Collectors: Comparisons
• Throughput Goal
• Maximum Pause Time Goal
• Footprint Goal
• Monitoring GC: -XX:+PrintGC
• Monitoring GC: –XX:+PrintGC
• GC Manually Using the Administration Console
• Ergonomics Behavior
• Ergonomics: Command-Line Flags
• Why use jinfo?
• Application Snapshot
• Domain Startup Mode
• WebLogic Server Native IO
• Quiz
• Stuck Threads Work Manager
• Work Manager for Stuck Threads
• Work Manager Tuning: I
• Work Manager Tuning: II
• Work Manager Constraint Tuning: I
• Work Manager Constraint Tuning: II
• Chunk Size
• Tuning the Chunk Size
• Tuning the Chunk Pool Size
• Quiz
• Load Balancers
• Quiz
• Oracle Coherence: Overview
• Coherence*Web: Overview
• Replication Configuration
• Quiz
• JDBC Drivers
• JDBC Architecture
• Data Sources
• Transaction Isolation Levels
• Operations Permitted at Each Isolation Level
• Transaction Isolation Levels
• Quiz
• Logging Last Resource Transactions
• Logging Last Resource: Example
• Configuring Logging Last Resource
• Stuck Thread Handling
• Configuring Stuck Thread Handling
• Application Stuck Thread Handling
• Quiz
• Creating a Work Manager
• Request Classes
• Creating a Request Class
• Constraints
• Creating a Constraint
• Referencing Classes or Constraints
• Sharing Constraints Among Work Managers
• Work Managers and Stuck Threads
• Assigning Work Managers to Applications
• Quiz
• Session Persistence Considerations
• Session Persistence Cache Size
• Offload HTTP Sessions to Coherence*Web
• Quiz
• Singleton Session Bean
• When to Use Singleton Session Beans