kafka-streams-topology
Kafka Streams Topology Skill
Expert knowledge of Kafka Streams library for building stream processing topologies in Java/Kotlin.
What I Know
Core Abstractions
KStream (Event Stream - Unbounded, Append-Only):
- Represents immutable event sequences
- Each record is an independent event
- Use for: Clickstreams, transactions, sensor readings
KTable (Changelog Stream - Latest State by Key):
- Represents mutable state (compacted topic)
- Updates override previous values (by key)
- Use for: User profiles, product catalog, account balances
GlobalKTable (Replicated Table - Available on All Instances):
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