Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22358#discussion_r216881788
--- Diff: docs/sql-programming-guide.md ---
@@ -965,6 +965,8 @@ Configuration of Parquet can be done using the
`setConf` method on `SparkSession
`parquet.compression` is specified in the table-specific
options/properties, the precedence would be
`compression`, `parquet.compression`,
`spark.sql.parquet.compression.codec`. Acceptable values include:
none, uncompressed, snappy, gzip, lzo, brotli, lz4, zstd.
+ Note that `zstd` needs to install `ZStandardCodec` before Hadoop
2.9.0, `brotli` needs to install
+ `brotliCodec`.
--- End diff --
If the link looks expected to be rather permanent, it's fine.
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