dongjoon-hyun commented on a change in pull request #28053:
[SPARK-29153][CORE]Add ability to merge resource profiles within a stage with
Stage Level Scheduling
URL: https://github.com/apache/spark/pull/28053#discussion_r399463744
##########
File path:
core/src/main/scala/org/apache/spark/resource/ResourceProfileManager.scala
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@@ -34,7 +34,7 @@ import org.apache.spark.util.Utils.isTesting
*/
@Evolving
private[spark] class ResourceProfileManager(sparkConf: SparkConf) extends
Logging {
- private val resourceProfileIdToResourceProfile = new ConcurrentHashMap[Int,
ResourceProfile]()
+ private val resourceProfileIdToResourceProfile = new HashMap[Int,
ResourceProfile]()
Review comment:
~Is there a reason to change like this?~ Never mind. I saw `synchronized` in
the below.
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