Category Archives: Kafka

Kafka Streams – Resetting Application State

Kafka Streams – Resetting Application State I the previous post, we discussed that we might need to reprocess data during development during application development. Since Kafka Streams ensures the application state, it doesn’t pull and reprocess data. In this case, you might find yourself keep waiting for the join operations to get triggered, but to… Continue reading »

Building Serde for Kafka Streams Application

Building Serde for Kafka Streams Application While developing Kafka Streams applications, I found myself requiring some utility code over and over. One such code is to build Serde for custom types. It is better if it is refactored into separate types and used when needed. It has two methods specificAvroSerde and genericAvroSerde. It must be… Continue reading »

Kafka Tools – kafka.tools.ReplayLogProducer [Copy from a Topic]

Kafka Tools – kafka.tools.ReplayLogProducer Replay Log Producer is a Kafka tool available to copy messages from one Kafka Topic to the other in the same Broker cluster. This supports copying a limited or all messages from a Kafka Topic. The tool is specially useful in a development environment when we want to test something with… Continue reading »