⚡ One HLD concept. 60 seconds. Interview ready· 1 of 7
Idempotency ensures that repeated operations in APIs do not cause duplicate effects.
⚡ One HLD concept. 60 seconds. Interview ready· 2 of 7
Message delivery semantics define how messages are sent in distributed systems and handle failures.
⚡ One HLD concept. 60 seconds. Interview ready· 3 of 7
Kafka can help ensure messages are processed once, but requires careful design.
⚡ One HLD concept. 60 seconds. Interview ready· 4 of 7
Kafka allows safe message reprocessing by resetting consumer positions without altering data.
⚡ One HLD concept. 60 seconds. Interview ready· 5 of 7
Kafka consumer reprocessing involves safely replaying events to correct system states.
⚡ One HLD concept. 60 seconds. Interview ready· 6 of 7
RPC allows one service to call a function in another service over the network.
⚡ One HLD concept. 60 seconds. Interview ready· 7 of 7
The retry pattern helps systems recover from temporary failures but can cause overload if misused.
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