How to Deploy, Monitor and Manage Middle-Tier Applications

Lars Ewe, Principal Product ManagerValerie K. Kane, Group Manager

Oracle Corporation

Session id: 40025

Agenda

Understanding J2EE Applications J2EE Application Management Lifecycle

– Deploy– Monitor– Diagnose– Administer

Q & A

Understanding J2EE Applications

Application Layers Mapped to J2EE Tiers and Technology

J2EE helps developers build layered applications, each providing different services

Servlets

HTML, JSP

Java Objects, Session Beans

Java Objects, Entity Beans

Control

Presentation

Business Logic

Persistent Objects

Web Tier

Web Tier

Business Tier

Business Tier

Application Layer J2EE Tier J2EE Technology

Web Application / JDBC

Pros– Simple to build– Simple to package and

deploy– Low overhead from container– Relatively easy to test

Cons– Needs discipline to keep UI

and logic separate– No container transaction

support– Must code all database calls

JSP + ServletUI

Business Logic JDBC

DB

Web Container

Web Application / Local EJB

Pros– Separation of business logic– Entity beans for persistence– No serialization or network

calls– Concurrency managed– Can convert to remote

interface and Web service endpoint if required

Cons– Uses EJB infrastructure– Harder to test business logic

behind local interfaces

JSP + Servlet UI

Session Bean - LogicEntity Bean - Persistence

DB

Web + EJB Container

local

Web Application / Remote EJB

Pros– Most flexible architecture – Can separate EJB

container to different server– Multi client enabled– Can be exposed as Web

service endpoint Cons

– Slower performance, remote network calls and serialization

– Can be difficult to configure and debug

Session Bean - LogicEntity Bean - Persistence

DB

Web Container

remote

JSP + ServletUI

EJB Container

Web Container

J2EE Platform Roles

Product Provider Tool Provider Application Developer Application Assembler Application Deployer System Administrator

Focus of this presentation

Application Assembler and Deployer Role Application Assembler

– Packages set of components to build the EAR using a tool or utility

– Documents external dependencies for the application

Application Deployer– Configures external dependencies for the

application– Deploys the application to application server

Inter-Module dependencies in J2EE

All Resource Adapters

All EJBs

Web-Module 1 Web-Module 2

OC4J Classloader TreeJava2 JRE

OC4J

Shared JARs commonly go

here

WebApp 1 WebApp 2Web App

Web App EJB/Libraries

EJBsRes. Adapters

Global-Application

Global-Res. Adapters

System

Extension

Bootstrap

J2EE Application Management Lifecycle

J2EE Application Mgmt Lifecycle

Ongoing Production Management

DiagnoseMonitor

Deploy Administer

Application Deployment

Deployment Steps– Map URLs– Map Resource References– Publish Webservices (if needed)

Application Configuration– Resources– Security

D E M O N S T R A T I O N

Deployment & Configuration

Oracle Eco-System

Application Performance Management

AvailabilityManagement

Oracle Enterprise Manager 10g

NotificationsModeling End-UserCommunities

Root Cause Analysis

Alerts Trending

TransactionPerformance

End-User Performance

Cross-TierTracing

Application Performance Management

SLA Management

Non-Oracle Systems

Impact Analysis

Model End-User Communities

Web Application

Availability and Performance may vary from location to location

End-User Performance

Monitoring of ALL URLs accessed by ALL users

End-user impact analysis Server vs network response

time Analysis of end-user response

times by URL, domain, regions, visitor, Web server

Web server load and response distribution

Watch list to highlight performance of critical URLs

Web Application

Interactive Cross-Tier Transaction Tracing

URL/JSP EJB JDBC/SQL

On-demand diagnosis of problems across tiers of J2EE Web application

Intuitive drill-downs of all invocation paths to the SQL level

internetinternet

Middle Tier

Page Performance Analysis

Servlet EJB JDBC/SQL

Full URL processing call stack analysis Tracing down to the SQL statement level Tuning Recommendations

internetinternet

JSP

Processing time and Load

Slowest URLs and # of Hits

Top Servlets & JSPs by Requests & Processing Time

Application Performance Correlation

D E M O N S T R A T I O N

Application Performance Management

J2EE Monitoring

Pre-defined thresholds Alert notifications and response actions Blackout periods Performance baselines Graphical performance charts Historical data repository Performance trends and comparisons

Monitor Application Server Performance at Multiple Levels

Server resource usage OC4J container performance J2EE application responsiveness Servlets, JSPs and EJBs performance

Application Server Historical Data Trends and Comparisons What’s the current CPU usage for server #1? How did it do over the past 24 hours? How does that compare to server #2 over the same

timeframe?

J2EE Application Diagnostics

Real-time and historical performance Easily identify top resource consumers

J2EE Diagnostic Drilldowns What are my top web modules, servlets &

JSPs?

J2EE Diagnostic Drilldowns What are my top EJBs and EJB methods?

D E M O N S T R A T I O N

J2EE Monitoring & Diagnostics

Application Server Management

Consolidated view of J2EE applications across all OC4J instances

OC4J and application configuration Central log viewer Port Management

D E M O N S T R A T I O N

DemonstrationManagement

Wednesday, September 10thKeynote: Mastering the Grid Ken Jacobs – 2:30pm – North Keynote Hall

Configuring, Deploying and Managing the Oracle Collaboration Suite Session 40216 – Val Kane – 4:30pm Moscone Room 270

Thursday, September 11thExtending the Reach of Enterprise Manager to Monitor Custom Applications Across the Grid Session 40289 – Hoosh Afsar of Fannie Mae, V Tummalapalli – 1:00pm Moscone Room 202

Enterprise Manager: Scalable Oracle ManagementSession 40037 – John Kennedy – 1:00pm Moscone Room 103

Rapid Deployment of Enterprise Manager: Install and Configure in 6 Easy StepsSession – 40032 – Ana Hernandez, Dave Leroy – 2:15pm Moscone Room 103

Securing Your Enterprise with Oracle Enterprise ManagerSession 40034 – Amir Najmi, Julie Wong – 3:15pm Moscone Room 103