Github user 10110346 commented on a diff in the pull request:
https://github.com/apache/spark/pull/22350#discussion_r215598798
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala
---
@@ -123,6 +123,9 @@ class ParquetFileFormat
// Sets compression scheme
conf.set(ParquetOutputFormat.COMPRESSION,
parquetOptions.compressionCodecClassName)
+ // Sets Parquet block size
+ conf.setInt(ParquetOutputFormat.BLOCK_SIZE,
sparkSession.sessionState.conf.parquetBlockSize)
--- End diff --
Yes, we are already able to set this via `parquet.block.size`,
I think we should add this parameter into "sql-programming-guide.md"
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