Contents

List of Examples

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Documentation Accessibility
• Related Documents
• Conventions

Part I Coherence Concepts

1 Defining a Data Grid

2 Provide a Data Grid

• Targeted Execution
• Parallel Execution
• Query-Based Execution
• Data-Grid-Wide Execution
• Agents for Targeted, Parallel and Query-Based Execution
• Data Grid Aggregation
• Node-Based Execution
• Work Manager
  • Oracle Coherence Work Manager: Feedback from a Major Financial Institution
• Summary

3 Provide a Queryable Data Fabric

• Data Fabric
• EIS and Database Integration
• Queryable
• Continuous Query
• Summary

4 Cluster Your Objects and Data

• Coherence and Clustered Data
• Availability
  • Supporting Redundancy in Java Applications
  • Enabling Dynamic Cluster Membership
  • Exposing Knowledge of Server Failure
  • Eliminating Other Single Points Of Failure (SPOFs)
  • Providing Support for Disaster Recovery (DR) and Contingency Planning
• Reliability
• Scalability
  • Distributed Caching
  • Partitioning
  • Session Management
• Performance
  • Replication
  • Near Caching
  • Write-Behind, Write-Coalescing and Write-Batching
• Serviceability
• Manageability
• Summary

5 Deliver Events for Changes as they Occur

• Listener Interface and Event Object
• Caches and Classes that Support Events
• Signing Up for All Events
• Using an Inner Class as a MapListener
• Configuring a MapListener for a Cache
• Signing up for Events on specific identities
• Filtering Events
• "Lite" Events
• Advanced: Listening to Queries
  • Filtering Events Versus Filtering Cached Data
• Advanced: Synthetic Events
• Advanced: Backing Map Events
  • Producing Readable Backing MapListener Events from Distributed Caches
• Advanced: Synchronous Event Listeners
• Summary

6 Automatically Manage Dynamic Cluster Membership

• Cluster and Service Objects
• Member object
• Listener interface and Event object

7 Managing an Object Model

• Cache Usage Paradigms
• Techniques to Manage the Object Model
• Domain Model
  • Best Practices for Data Access Objects in Coherence
• Service Layer
  • Automatic Transaction Management
  • Explicit Transaction Management
  • Optimized Transaction Processing
• Managing Collections of Child Objects
  • Shared Child Objects
  • Owned Child Objects
  • Bottom-Up Management of Child Objects
  • Bi-Directional Management of Child Objects
• Colocating Owned Objects
  • Denormalization
  • Affinity
• Managing Shared Objects
• Refactoring Existing DAOs

8 Overview for Implementors

• Basic Concepts
  • Clustered Data Management
  • A single API for the logical layer, XML configuration for the physical layer
  • Caching Strategies
  • Data Storage Options
  • Serialization Options
  • Configurability and Extensibility
  • Namespace Hierarchy
• Read/Write Caching
  • NamedCache
  • Requirements for Cached Objects
  • NamedCache Usage Patterns
• Querying the Cache
• Transactions
• HTTP Session Management
• Invocation Service
• Events
• Object-Relational Mapping Integration
• C++/.NET Integration
• Management and Monitoring

9 Read-Through, Write-Through, Write-Behind, and Refresh-Ahead Caching

• Pluggable Cache Store
• Read-Through Caching
• Write-Through Caching
• Write-Behind Caching
• Write-Behind Requirements
• Refresh-Ahead Caching
• Selecting a Cache Strategy
  • Read-Through/Write-Through versus Cache-Aside
  • Refresh-Ahead versus Read-Through
  • Write-Behind versus Write-Through
• Idempotency
• Write-Through Limitations
• Cache Queries
• Creating a CacheStore Implementation
• Plugging in a CacheStore Implementation
• Implementation Considerations
  • Re-entrant Calls
  • Cache Server Classpath
  • CacheStore Collection Operations
  • Connection Pools

10 Coherence*Extend

• Types of Clients
• Proxy Service Overview

11 Real Time Client—RTC

• Uses
• Cache Access
• Local Caches
• Event Notification
• Agent Invocation
• Connection Failover

12 Clustering

13 Cluster Services Overview

14 Replicated Cache Service

15 Partitioned Cache Service

16 Near Cache

• Near Cache Invalidation Strategies
• Configuring the Near Cache
• Obtaining a Near Cache Reference
• Cleaning Up Resources Associated with a Near Cache
• Sample Near Cache Configuration

17 Storage and Backing Map

• Cache Layers
• Operations
• Capacity Planning
• Partitioned Backing Maps

18 Local Storage

19 Local Cache

• Configuring the Local Cache

20 Best Practices

• Coherence and Cache Topologies
• Data Access Patterns
  • Data Access Distribution (hot spots)
  • Cluster-node Affinity
  • Read/Write Ratio and Data Sizes
  • Interleaving Cache Reads and Writes
• Heap Size Considerations
  • Using Several Small Heaps
  • Moving the Cache Out of the Application Heap

21 Network Protocols

• Coherence and the TCMP Protocol
• Protocol Reliability
• Protocol Resource Utilization
• Protocol Tunability
• Multicast Scope
• Disabling Multicast

22 The Coherence Ecosystem

• Breakdown of Coherence editions
• Coherence Client and Server Connections
• Coherence Modules Involved in Connecting Client and Server Editions
  • How a Single Coherence Client Process Connects to a Single Coherence Server
  • Considering Multiple Clients and Servers

23 Session Management for Clustered Applications

• Basic Terminology
• Sharing Data in a Clustered Environment
• Reliability and Availability
• Scalability and Performance
• Conclusion

24 The Portable Object Format

• Overview
• Why Should I Use POF
• Working with POF
  • Implementing the PortableObject interface
  • Implementing the PofSerializer interface:
  • Assigning POF indexes
  • The ConfigurablePofContext
  • Configuring Coherence to use the ConfigurablePofContext
• Summary

25 PofExtractors and PofUpdaters

• Overview
• Navigating a POF object
• Using PofExtractors
• Using PofUpdaters

Part II Installing Coherence

26 Installing Oracle Coherence

• Downloading and Extracting Coherence
• Installing Coherence
• Verifying that Multiple Nodes and Servers are Able to Form a Cluster

A Coherence Features by Edition

• Coherence Server Editions
• Coherence Client Editions

B AbstractMultiplexingBackingMapListener Class Listing

Glossary