moomindani commented on a change in pull request #27690: [SPARK-21514][SQL]
Added a new option to use non-blobstore storage when writing into blobstore
storage
URL: https://github.com/apache/spark/pull/27690#discussion_r396284464
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -751,6 +751,20 @@ object SQLConf {
.checkValues(HiveCaseSensitiveInferenceMode.values.map(_.toString))
.createWithDefault(HiveCaseSensitiveInferenceMode.NEVER_INFER.toString)
+ val HIVE_BLOBSTORE_SUPPORTED_SCHEMES =
+ buildConf("spark.sql.hive.blobstore.supported.schemes")
+ .doc("Comma-separated list of supported blobstore schemes.")
Review comment:
Thank you for the comment. Current explanation is the same sentence as
Hive's. I will add explanation like `If you disable this parameter, Spark
writes the data first in scratch dir, and move it to blobstore because moving
it on blobstore is expensive.` based on your comment.
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