Apache Avro

Additionally, it provides an InputFormat for reading Avro OCF files when using native batch indexing, see for details on how to ingest OCF files.

Make sure to include as an extension.

union types which aren’t of the form [null, otherType] aren’t supported at this time.

and fixed Avro types will be returned by default as base64 encoded strings unless the binaryAsString option is enabled on the Avro parser. This setting will decode these types as UTF-8 strings.

record and types representing nested data can be ingested using on the parser.

Druid doesn’t currently support Avro logical types, they will be ignored and fields will be handled according to the underlying primitive type.