pan3793 commented on code in PR #52925:
URL: https://github.com/apache/spark/pull/52925#discussion_r2502020441
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -4063,6 +4063,19 @@ object SQLConf {
.checkValues(Set("none", "zstd", "lz4"))
.createWithDefault("none")
+ val ARROW_EXECUTION_ZSTD_COMPRESSION_LEVEL =
+ buildConf("spark.sql.execution.arrow.zstd.compressionLevel")
Review Comment:
I wonder if it's better to follow the existing config name
```
spark.io.compression.codec
spark.io.compression.zstd.level
spark.io.compression.zstd.workers
...
```
if so, it should be
```
spark.sql.execution.arrow.compression.codec
spark.sql.execution.arrow.compression.lz4...
spark.sql.execution.arrow.compression.zstd.level
spark.sql.execution.arrow.compression.zstd...
...
```
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