IBM WebSphere eXtreme Scale 6 -- Table of Contents -- IBM WebSphere eXtreme Scale 6 -- Credits -- About the Author -- About the Reviewers -- Preface -- What this book covers -- What you need for this book -- Who this book is for -- Conventions -- Reader feedback -- Customer support -- Errata -- Piracy -- Questions -- 1. What is a Data Grid -- Data grid basics -- Getting IBM WebSphere eXtreme Scale -- Setting up your environment -- Hello, world! -- Summary -- 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 -- 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 -- 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 -- 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 -- 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 -- 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 -- 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 -- 9. Spring Integration -- Injecting ObjectGrid instances -- Spring-managed eXtreme Scale configuration -- Transaction management -- Basic configuration -- ObjectGrid client configuration -- Remembering our patterns -- Summary -- 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.