SteNicholas opened a new pull request #17500:
URL: https://github.com/apache/flink/pull/17500
## What is the purpose of the change
*According to the experience of other frameworks, snappy compression is
recommended by default, which will reduce the file size.This does not affect
reading, because these formats will automatically uncompress the file according
to the head information of the file. Parquet, orc and.avro format could define
the default of the compression codec as the snappy compression.*
## Brief change log
- *Update the `AvroFormatOptions`, `OrcBulkWriterFactory` and
`ParquetRowDataBuilder` for the change of the default compression to snappy.*
## Verifying this change
- *Update the `AvroFilesystemITCase` and `OrcFileSystemITCase` to verify
whether the default compression could change to snappy.*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / **no** / don't
know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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