What is Kafka serializer?

Serialization is the process of converting an object into a stream of bytes that are used for transmission. Kafka stores and transmits these bytes of arrays in its queue. Deserialization, as the name suggests, does the opposite of serialization, in which we convert bytes of arrays into the desired data type.

What is string serializer?

String serialization is the process of writing a state of object into a byte stream.

Does Kafka use JSON?

The Write JSON to a Kafka Topic Output Connector can be used to write event data, adapted and formatted as generic JSON, to an Apache Kafka Topic. For more information about getting started with Apache Kafka, see Apache Kafka Introduction.

Is there a custom Serializer for Kafka in Java?

You can define your own custom serializer, as described here. Kafka stores and transports byte arrays in its queue. The String and Byte array serializers are provided by Kafka out-of-the-box, but if you use them for objects which are not Strings or byte arrays, you will be using Java’s default serializer for your objects.

Is there a deserializer for Protobuf in Kafka?

New Kafka serializers and deserializers are available for Protobuf and JSON Schema, along with Avro. The serializers can automatically register schemas when serializing a Protobuf message or a JSON-serializable object. The Protobuf serializer can recursively register all imported schemas, .

Which is the opposite of serialization in Apache Kafka?

Although, Apache Kafka stores as well as transmit these bytes of arrays in its queue. Whereas, the opposite of Serialization is Deserialization. Here we convert bytes of arrays into the data type we desire. However, make sure Kafka offers serializers and deserializers for only a few data types, such as 3.

How does the JSON Schema deserializer work in Kafka?

Similar to how the Avro deserializer can return an instance of a specific Avro record type or a GenericRecord, the JSON Schema deserializer can return an instance of a specific Java class, or an instance of JsonNode. For more information, see JSON Schema Serializer and Deserializer.

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