yaooqinn commented on a change in pull request #23709:
[SPARK-26794][SQL]SparkSession enableHiveSupport does not point to hive but
in-memory while the SparkContext exists
URL: https://github.com/apache/spark/pull/23709#discussion_r252924877
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala
##########
@@ -36,29 +36,41 @@ import org.apache.spark.sql.internal.StaticSQLConf._
import org.apache.spark.status.ElementTrackingStore
import org.apache.spark.util.{MutableURLClassLoader, Utils}
-
/**
* A class that holds all state shared across sessions in a given
[[SQLContext]].
*/
-private[sql] class SharedState(val sparkContext: SparkContext) extends Logging
{
+private[sql] class SharedState(val sparkContext: SparkContext, initConfig:
Map[String, String])
+ extends Logging {
+ private val conf = sparkContext.conf.clone()
+ private val hadoopConf = new Configuration(sparkContext.hadoopConfiguration)
+
+ // If `SparkSession` is instantiated using an existing `SparkContext`
instance and no existing
+ // `SharedState`, all `SparkSession` level configurations have higher
priority to generate a
+ // `SharedState` instance. This will be done only once then shared across
`SparkSession`s
+ initConfig.foreach { case (k, v) =>
+ logDebug(s"Applying initiate SparkSession options to SparkConf/HadoopConf:
$k -> $v")
+ conf.set(k, v)
+ hadoopConf.set(k, v)
+ }
+ logInfo("Applied all initiate SparkSession options to the brand new
SharedState")
Review comment:
debug level for each
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