LuciferYang commented on code in PR #36200:
URL: https://github.com/apache/spark/pull/36200#discussion_r945861859
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core/src/main/scala/org/apache/spark/internal/config/package.scala:
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@@ -714,6 +715,16 @@ package object config {
.booleanConf
.createWithDefault(true)
+ private[spark] val SHUFFLE_SERVICE_DB_BACKEND =
+ ConfigBuilder(Constants.SHUFFLE_SERVICE_DB_BACKEND)
+ .doc("Specifies a disk-based store used in shuffle service local db. " +
+ "Only LEVELDB is supported now.")
+ .version("3.4.0")
+ .stringConf
+ .transform(_.toUpperCase(Locale.ROOT))
+ .checkValues(DBBackend.values.map(_.toString).toSet)
+ .createWithDefault(DBBackend.LEVELDB.name)
Review Comment:
My idea is to provide only one of two ways to use it, and I don't want the
user to specify the implementation class
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