An Apache Kafka Binder for Spring-Cloud Streams.
Documentation: https://cloud.spring.io/spring-cloud-stream-binder-kafka/spring-cloud-stream-binder-kafka.html
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Questions tagged [spring-cloud-stream-binder-kafka]
472 questions
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Spring Cloud Stream generates value as string containing JSON instead of just JSON
In a stream processing application using Spring Cloud Stream I am taking an input stream (keyed on an integer) and calling selectKey on it to create a new topic with the same values, but with a different key (a string). The input topic has records…
Yoni Gibbs
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Spring-cloud-stream functional model with apache-kafka-binder
This is sort of sequel to this question. Can I use "plain" Apache Kafka Binder together with functional model? So far using annotation based configuration I mixed both, spring-cloud-stream-binder-kafka for simple consuming / producing and…
B.Gen.Jack.O.Neill
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Confusion on implementing KStream / Table in Spring Boot
I'm trying to get a sample of some Spring-Boot kafka stream "action" working and I've seemed to end up completely confused :)
I'm receiving JSON data over the wire. I've built a schema in avro which I use to serialize the data:
{
"UID":…
Jeef
- 26,861
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1 answer
How can Kafka Streams throughput be increased?
Currently ~70 records/s will be processed on a single node with a single Kafka broker.
The throughput is low, as is the CPU utilisation and the memory usage.
My topology:
projekte
.leftJoin(wirtschaftseinheiten)
.leftJoin(mietobjekte)
…
Andras Hatvani
- 4,346
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1 answer
How to wait for future inside Kafka Stream map()?
I am implementing Spring Boot application in Java, using Spring Cloud Stream with Kafka Streams binder.
I need to implement blocking operation inside of KStream map method like so:
public Consumer> sink() {
return input -> input
…
alkazap
- 3
- 2
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votes
1 answer
How do i get the messages from the offset in Spring Cloud Stream Kafka Binder?
I am able to connect to the topic, although I am not sure on how I am able to get the messages from the topic. Here is the logs that shows that I have 1076 records on the topic:
Logs
2021-10-05 11:10:09.053 INFO 17364 --- [container-0-C-1]…
Java Student
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1 answer
How to bind a Store using Spring Cloud Stream and Kafka?
I'd like to use a Kafka state store of type KeyValueStore in a sample application using the Kafka Binder of Spring Cloud Stream.
According to the documentation, it should be pretty simple.
This is my main class:
@SpringBootApplication
public class…
Claudio Tasso
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