Which of these joins does not require input topics to be sharing the same number of partitions?

The correct answer is C. KStream-GlobalKTable. GlobalKTables have their datasets replicated on each Kafka Streams instance and therefore no repartitioning is required.

Developing with Kafka Streams

Question

Options

AKStream-KTable join
BKStream-KStream join
CKStream-GlobalKTable
DKTable-KTable join

How the community answered

(44 responses)

A
9% (4)
B
5% (2)
C
70% (31)
D
16% (7)

Explanation

GlobalKTables have their datasets replicated on each Kafka Streams instance and therefore no repartitioning is required.

Topics

#GlobalKTable#co-partitioning#stream joins#Kafka Streams

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