# Write an Avro file

Publish / file

A variant of [Write a columnar file](https://meridian.online/operations/write-a-columnar-file).

Write rows as Avro records to a container file.

Page: <https://meridian.online/operations/write-a-columnar-file/write-an-avro-file>

## Status

Not built yet.

arcform does not do this yet. [Its place on the roadmap](https://meridian.online/roadmap#write-a-columnar-file)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- Azure Data Factory: [`Avro format (sink)`](https://learn.microsoft.com/en-us/azure/data-factory/format-avro) (read 2026-09-27)
- Duckle: [`Avro`](https://github.com/slothflowlabs/duckle/blob/f85f8960edfb6efbf4cb89d58a7b32e16df0e867/website/docs/components.html) (read 2026-09-25)
- AWS Glue: [`Avro (write)`](https://docs.aws.amazon.com/glue/latest/dg/aws-glue-programming-etl-format-avro-home.html) (read 2026-09-27)
- Apache Hop: [`Avro file output`](https://hop.apache.org/manual/latest/pipeline/transforms/avro-file-output.html) (read 2026-09-27)
- Apache NiFi: [`AvroRecordSetWriter`](https://nifi.apache.org/components/org.apache.nifi.avro.AvroRecordSetWriter/) (read 2026-09-27)
- Pentaho Data Integration: [`Avro Output`](https://docs.pentaho.com/pdia-data-integration/9.3-data-integration/pdi-transformation-steps-reference-overview) (read 2026-09-27)
- Polars: [`DataFrame.write_avro`](https://docs.pola.rs/api/python/stable/reference/io.html) (read 2026-09-27)
- Talend: [`tAvroOutput`](https://help.qlik.com/talend/en-US/components/8.0/avro/avro-component) (read 2026-09-27)