Configuration property fixed at build time - All other configuration properties are overridable at runtime

Configuration property

Type

Default

quarkus.kafka-streams.topics

A comma-separated list of topic names.

The micro-service will only be ready once all these topics are present in the Kafka cluster.

Environment variable: QUARKUS_KAFKA_STREAMS_TOPIC

list of string

quarkus.kafka-streams.application-id

A unique identifier for this Kafka Streams application.

It is used as Kafka consumer group id, so multiple replicas of micro-service balance their partition workload.

Environment variable: QUARKUS_KAFKA_STREAMS_APPLICATION_ID

string

${quarkus.application.name}

kafka-streams.producer.linger.ms

It is the number of milliseconds a producer is willing to wait before sending a batch out.

Environment variable: KAFKA_STREAMS_PRODUCER_LINGER_MS

int

0

kafka-streams.compression.type

The compression type for all data generated by the producer.

Environment variable: KAFKA_STREAMS_COMPRESSION_TYPE

Possible values:

none gzip snappy lz4 zstd

none