xupefei commented on code in PR #45701:
URL: https://github.com/apache/spark/pull/45701#discussion_r1572146508
##########
connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/SparkSession.scala:
##########
@@ -813,6 +823,28 @@ class SparkSession private[sql] (
* Set to false to prevent client.releaseSession on close() (testing only)
*/
private[sql] var releaseSessionOnClose = true
+
+ private[sql] def registerObservation(planId: Long, observation:
Observation): Unit = {
+ // makes this class thread-safe:
+ // only the first thread entering this block can set sparkSession
+ // all other threads will see the exception, as it is only allowed to do
this once
+ observation.synchronized {
Review Comment:
Agreed. I changed it to a concurrent hash map.
##########
connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/SparkSession.scala:
##########
@@ -813,6 +823,28 @@ class SparkSession private[sql] (
* Set to false to prevent client.releaseSession on close() (testing only)
*/
private[sql] var releaseSessionOnClose = true
+
+ private[sql] def registerObservation(planId: Long, observation:
Observation): Unit = {
+ // makes this class thread-safe:
+ // only the first thread entering this block can set sparkSession
+ // all other threads will see the exception, as it is only allowed to do
this once
+ observation.synchronized {
Review Comment:
Agreed. I changed it to a concurrent hashmap.
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