Akka and Distributed Systems

  1. Akka Cluster
    1. Cluster Architecture
      1. Peer-to-Peer Design
        1. No Single Point of Failure
          1. Decentralized Coordination
            1. Symmetric Node Roles
            2. Cluster Formation
              1. Bootstrap Process
                1. Seed Node Configuration
                  1. Join Procedures
                2. Cluster Membership
                  1. Node Lifecycle States
                    1. Joining State
                      1. Up State
                        1. Leaving State
                          1. Exiting State
                            1. Down State
                              1. Removed State
                              2. Membership Management
                                1. Member Registration
                                  1. Member Updates
                                    1. Member Removal
                                    2. Gossip Protocol
                                      1. State Dissemination
                                        1. Convergence Mechanisms
                                          1. Failure Detection
                                            1. Network Efficiency
                                            2. Unreachability Detection
                                              1. Phi Accrual Failure Detector
                                                1. Heartbeat Mechanisms
                                                  1. Network Partition Handling
                                                2. Cluster Roles and Responsibilities
                                                  1. Role Assignment
                                                    1. Static Role Configuration
                                                      1. Dynamic Role Management
                                                        1. Role-Based Routing
                                                        2. Role-Specific Behaviors
                                                          1. Multi-Role Nodes
                                                          2. Location Transparency
                                                            1. Remote Actor References
                                                              1. Transparent Message Routing
                                                                1. Network Address Translation
                                                                  1. Cluster-Aware Routers
                                                                  2. Cluster Singleton
                                                                    1. Singleton Manager
                                                                      1. Leader Election
                                                                        1. Singleton Lifecycle
                                                                          1. Failover Mechanisms
                                                                          2. Singleton Proxy
                                                                            1. Message Forwarding
                                                                              1. Transparent Access
                                                                              2. Use Cases
                                                                                1. Cluster Coordination
                                                                                  1. Resource Management
                                                                                    1. Global State Management
                                                                                  2. Cluster Sharding
                                                                                    1. Sharding Concepts
                                                                                      1. Entity Distribution
                                                                                        1. Horizontal Scaling
                                                                                          1. State Partitioning
                                                                                          2. Core Components
                                                                                            1. Shard Region
                                                                                              1. Shard Coordinator
                                                                                                1. Entity Actors
                                                                                                2. Sharding Strategy
                                                                                                  1. Entity ID Extraction
                                                                                                    1. Shard ID Calculation
                                                                                                      1. Custom Sharding Logic
                                                                                                      2. Shard Management
                                                                                                        1. Shard Allocation
                                                                                                          1. Rebalancing Strategies
                                                                                                            1. Entity Passivation
                                                                                                            2. Persistence Integration
                                                                                                            3. Split Brain Resolution
                                                                                                              1. Split Brain Scenarios
                                                                                                                1. Network Partition Causes
                                                                                                                  1. Data Consistency Issues
                                                                                                                    1. Service Availability Impact
                                                                                                                    2. Detection Mechanisms
                                                                                                                      1. Resolution Strategies
                                                                                                                        1. Static Quorum
                                                                                                                          1. Keep Majority
                                                                                                                            1. Keep Oldest
                                                                                                                              1. Custom Strategies
                                                                                                                              2. Downing Providers
                                                                                                                              3. Distributed Data
                                                                                                                                1. CRDT Fundamentals
                                                                                                                                  1. Conflict-Free Replication
                                                                                                                                    1. Convergence Guarantees
                                                                                                                                      1. Commutativity Properties
                                                                                                                                      2. CRDT Types in Akka
                                                                                                                                        1. Counters
                                                                                                                                          1. Sets
                                                                                                                                            1. Maps
                                                                                                                                              1. Registers
                                                                                                                                                1. Flags
                                                                                                                                                2. Replication and Consistency
                                                                                                                                                  1. Gossip-Based Replication
                                                                                                                                                    1. Read and Write Consistency
                                                                                                                                                      1. Conflict Resolution

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                                                                                                                                                  7. Advanced Actor Patterns and Behaviors

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                                                                                                                                                  9. Akka Streams