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From Ryanne Dolan <ryannedo...@gmail.com>
Subject Re: Kafka Streams Join does not work
Date Fri, 15 Mar 2019 13:29:22 GMT
Hello! When using exactly-once semantics, uncommitted or aborted records
are skipped by the consumer as if they don't exist.

When inspecting the topic manually, use isolation.level=read_committed to
get the same behavior.

Ryanne

On Fri, Mar 15, 2019, 6:08 AM Федор Чернилин <investormephi@gmail.com>
wrote:

> I also noticed another important thing now. Message which used for join is
> uncommitted. I understood it with the help of consumer's setting isolation
> level - read_committed. The message got into the topic using the same
> stream app. Remind that stream app has processing guarantee
> = exactly_once. How could this happen?
>

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