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[SPARK-30881][SQL][DOCS]Revise the doc of spark.sql.sources.parallelPartitionDiscovery.threshold #27639

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[SPARK-30881][SQL][DOCS]Revise the doc of spark.sql.sources.parallelPartitionDiscovery.threshold #27639

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4 changes: 2 additions & 2 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Expand Up @@ -878,8 +878,8 @@ object SQLConf {
buildConf("spark.sql.sources.parallelPartitionDiscovery.threshold")
.doc("The maximum number of paths allowed for listing files at driver side. If the number " +
"of detected paths exceeds this value during partition discovery, it tries to list the " +
"files with another Spark distributed job. This applies to Parquet, ORC, CSV, JSON and " +
"LibSVM data sources.")
"files with another Spark distributed job. This configuration is effective only when " +
"using file-based sources such as Parquet, JSON and ORC.")
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@gengliangwang gengliangwang Feb 19, 2020

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This follows the doc of spark.sql.files.maxPartitionBytes and spark.sql.files.openCostInBytes

.intConf
.checkValue(parallel => parallel >= 0, "The maximum number of paths allowed for listing " +
"files at driver side must not be negative")
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