What are the differences between KTable and GlobalKTable and leftJoin () vs outerJoin ()?

Question

In the Kafka Stream library, I want to know the difference between KTable and GlobalKTable.

There are also two methods leftJoin()and in the KStream class outerJoin(). What is the difference between these two methods?

I read KStream.leftJoin but could not find the exact difference.

Answer 1

KTable VS GlobalKTable

KTable Kafka Streams, GlobalKTable . GlobalKTable , . , KStream-GlobalKTable . KStream-KTable join - , .

, , : -, Kafka Stream , . , . GlobalKTable , , GlobalKTable GlobalKTable ( , ).

. KIP-99: Kafka.

leftJoin() VS Join()

: , , .

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() , .