Apache Avro

Question 1

What is Apache Avro?

Answer 1

Apache Avro is a data serialization system

Question 2

According to the documentation, is code generation an optional optimization?

Answer 2

Correct. Avro does not require code generation. However, for statically typed languages, code generation optimizes performance.

Question 3

Is data always accompanied by a schema?

Answer 3

Yes. This means data can be fully processed without code generation.

Question 4

How is an Avro schema represented?

Answer 4

An Avro schema is represented by a JSON object

Question 5

Give an example of an Avro schema

Answer 5

{
    "type": "record",
    "name": "User",
    "fields": [{"name": "firstName", "type": "string"}, {"name": "age", "type": "int"}]
}

Question 6

What is code generation?

Answer 6

Code generation is a feature that uses an Avro schema to automatically build a Java class that can be used to build Avro objects