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System Design, System Design, System Design Entities, Terms in DS: …

- - - - Photo = 5 MB
- - - - Caching with DB ( Redis )
        
        Writeback Caching Technique
- - - - Least Recently Used(LRU)
      - ■ Least Frequently Used(LFU)
      - ■ First in First Out (FIFO)
- - - - Active - Active
        
        Loadbalancer is required
        
        Failover
        
        Failback - restore bad Master
      - Active - Passive
        
        Master - Slave - HeartBit mechanism
        
        Failover
        
        Failback - Restore bad Master
    - - Master - Master
      - Master Slave
      - Distributed Concensus, Data Replication Strategies
      - Algorithms Used: Strong consistancy
        2PC ( Phase commit)
        3PC ( 3 Phase Commit)
        MVCC
        SAGA
        Eventual consistancy Algo
        gossip protocol,
        epidemic broadcast trees,
        bimodel multicast