Your streams application is reading from an input topic that has 5 partitions. You run 5 instances of your application, each with num.streams.threads set to 5. How many stream tasks will be created…

The correct answer is D. 25 created, 5 active. One partition is assigned a thread, so only 5 will be active, and 25 threads (i.e. tasks) will be

Developing with Kafka Streams

Question

Your streams application is reading from an input topic that has 5 partitions. You run 5 instances of your application, each with num.streams.threads set to 5. How many stream tasks will be created and how many will be active?

Options

A5 created, 1 active
B5 created, 5 active
C25 created, 25 active
D25 created, 5 active

How the community answered

(38 responses)

A
13% (5)
B
26% (10)
C
5% (2)
D
55% (21)

Explanation

One partition is assigned a thread, so only 5 will be active, and 25 threads (i.e. tasks) will be

Topics

#stream tasks#num.streams.threads#parallelism#partition count

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