Module partitioner 

Kafka partitioning strategies.

KafkaPartitioner determines which Kafka partition each record is sent to. Three strategies are provided:

• KeyHashPartitioner: Murmur2 hash (Kafka-compatible default)
• RoundRobinPartitioner: Cycle through partitions
• StickyPartitioner: Batch to one partition until threshold

Structs

KeyHashPartitioner

Key-hash partitioner using Murmur2 (Kafka-compatible).

RoundRobinPartitioner

Round-robin partitioner distributing records evenly across partitions.

StickyPartitioner

Sticky partitioner that batches records to the same partition.

Traits

KafkaPartitioner

Trait for determining the target Kafka partition for a record.