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⚡ One HLD concept. 60 seconds. Interview ready
Log Replication and Majority Commit in Distributed Systems
Log replication ensures data consistency by requiring majority acknowledgment before committing changes.
⚡ One HLD concept. 60 seconds. Interview ready
Kafka Stateful Stream Processing: How Does It Remember?
Kafka uses state stores to remember previous events in stateful stream processing.
⚡ One HLD concept. 60 seconds. Interview ready
Kafka Retention vs Compaction: History or Latest State?
Kafka uses retention to keep historical data and compaction to keep the latest state.
⚡ One HLD concept. 60 seconds. Interview ready
Understanding Raft Log Replication: matchIndex vs commitIndex
matchIndex tracks what each follower has, while commitIndex shows what is committed.
⚡ One HLD concept. 60 seconds. Interview ready
Kafka Streams Local State: Fast Processing and Recovery
Kafka Streams uses local state for quick data access and changelogs for recovery.
⚡ One HLD concept. 60 seconds. Interview ready
Understanding Raft Consensus: Terms, Elections & Log Replication
Raft consensus helps distributed systems elect leaders and replicate logs reliably.
⚡ One HLD concept. 60 seconds. Interview ready
FAANG HLD 🔥 | Raft Safety — Why Committed Entries Survive Leader Failure! 🛡️
Raft's safety rules guarantee that committed entries are preserved even after leader failures.
⚡ One HLD concept. 60 seconds. Interview ready
Kafka Commit Strategies: Auto vs Manual Commit Explained
Kafka commit strategies determine how offsets are managed during message processing.
⚡ One HLD concept. 60 seconds. Interview ready
Kafka Consumer Offsets: Auto Commit vs Manual Commit
Kafka consumer offsets help track message processing to avoid loss and duplication.