Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/19874#discussion_r154853933 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/TPCDSQuerySuite.scala --- @@ -39,6 +40,8 @@ class TPCDSQuerySuite extends QueryTest with SharedSQLContext with BeforeAndAfte */ protected override def afterAll(): Unit = { try { + // For debugging dump some statistics about how much time was spent in various optimizer rules + logWarning(RuleExecutor.dumpTimeSpent()) --- End diff -- use `logInfo`?
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