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Raft and Paxos are protocols that help computers agree on values in distributed systems.

FAANG engineers use high-level design principles to create scalable systems.

Raft's safety rules guarantee that committed entries are preserved even after leader failures.

Backpressure prevents system overload by managing message processing rates in Kafka.

Partition pruning helps databases skip unnecessary data scans, speeding up queries.

Kafka's `seek()` lets you replay only specific messages, saving time.