IBM WebSphere eXtreme Scale 6 Table Of Contents

Table of Contents

• Preface

• Chapter 1: What is a Data Grid
• Data grid basics
• Getting IBM WebSphere eXtreme Scale
• Setting up your environment
• Hello, world!
• Summary

• Chapter 2: The ObjectMap API
• Different kinds of maps
• Get and put
• Updating objects in the grid
• Lock strategies
• Lock types
• Hash map refresher (or crash course)
• Optimistic collisions
• Deadlocks
• Removing objects
• FIFO queues
• Unsupported methods
• Wrapping up
• Summary

• Chapter 3: Entities and Queries
• Entities
• Defining Entities
• Persisting Entities
• Composition versus Inheritance
• The Find methods
• Entity life-cycle states
• Merge, remove, and the detached state
• Entity relationships
• @OneToMany, @ManyToOne
• schemaRoot
• The Query API
• Joins and aggregate functions
• IDs and Indexes
• Summary

• Chapter 4: Database Integration
• You're going where?
• Where does an IMDG fit?
• JPALoader and JPAEntityLoader
• The Loader's job
• Performance and referential integrity
• Removal versus eviction
• Write-through and write-behind
• BackingMap and Loader
• Picking battles
• JPALoader
• Summary

• Chapter 5: Handling Increased Load
• The building blocks
• Shards and partitions
• Client/Server ObjectGrid
• A basic deployment
• Starting a container
• Connecting to a distributed grid
• Adding more containers
• Partition placement
• Capacity planning
• Hitting the wall
• Summary

• Chapter 6: Keeping Data Available
• Containers, shards, partitions, and replicas
• The foundation
• Shards
• Map sets
• Partitions
• Replication
• Shard placement
• Shard start-up
• Lost shards and failover
• Physical location
• Controlled data separation
• Preferred zones
• Summary

• Chapter 7: The DataGrid API
• What does DataGrid do for me?
• Borrowing from functional programming
• GridAgent and Entity
• GridAgent with an unknown key set
• Aggregate results
• Using ephemeral objects in agents
• Updates with agents
• Scheduling agents
• Summary

• Chapter 8: Data Grid Patterns
• XTP: Extreme Transaction Processing
• The data model
• Schema root
• Reference data and object duplication
• How do we duplicate objects?
• Time-to-live keeps us out of trouble
• Early eviction
• Rely on partitions, not the entire grid
• One transaction, one node
• Object schema denormalization
• Summary

• Chapter 9: Spring Integration
• Injecting ObjectGrid instances
• Spring-managed eXtreme Scale configuration
• Transaction management
• Basic configuration
• ObjectGrid client configuration
• Remembering our patterns
• Summary

• Chapter 10: Putting It All Together
• The bookmarks app
• The data model
• The service layer
• Storing data how it is used
• Grid/ORM hybrid
• Preloading data
• Improving responsiveness
• Caching more than ORM
• Summary

• Index