HyukjinKwon commented on code in PR #49000:
URL: https://github.com/apache/spark/pull/49000#discussion_r1861729888
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3321,6 +3321,18 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val PYTHON_UDF_ARROW_CONCURRENCY_LEVEL =
+ buildConf("spark.spark.sql.execution.pythonUDF.arrow.concurrency.level")
+ .internal()
+ .doc("The level of concurrency to execute Arrow-optimized Python UDF. " +
+ "This can be useful if Python UDFs use I/O intensively.")
+ .version("4.0.0")
+ .intConf
+ .checkValue(_ > 0,
+ "The value of
spark.spark.sql.execution.pythonUDF.arrow.concurrency.level" +
+ " must be positive.")
Review Comment:
```suggestion
.checkValue(_ > 1,
"The value of
spark.spark.sql.execution.pythonUDF.arrow.concurrency.level" +
" must be more than one.")
```
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