xiongbo-sjtu commented on code in PR #43021: URL: https://github.com/apache/spark/pull/43021#discussion_r1337996350
########## core/src/test/scala/org/apache/spark/executor/CoarseGrainedExecutorBackendSuite.scala: ########## @@ -302,7 +302,12 @@ class CoarseGrainedExecutorBackendSuite extends SparkFunSuite resourceProfile = ResourceProfile.getOrCreateDefaultProfile(conf)) assert(backend.taskResources.isEmpty) - val taskId = 1000000 + // Ensure thread-safety (https://issues.apache.org/jira/browse/SPARK-45227) + assert(backend.taskResources.isInstanceOf[ + ConcurrentMap[Long, Map[String, ResourceInformation]] + ]) Review Comment: The above `assert` logic was added so that the thread-safety data structure (i.e., CHM) will not be unintentionally refactored away later. That's why I think that it's better for us to keep the logic here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org