[GitHub] [spark] cloud-fan commented on a diff in pull request #36966: [SPARK-37753] [FOLLOWUP] [SQL] Fix unit tests sometimes failing

[GitBox <gi...@apache.org>]

cloud-fan commented on code in PR #36966:
URL: https://github.com/apache/spark/pull/36966#discussion_r907040117


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sql/core/src/test/scala/org/apache/spark/sql/execution/adaptive/AdaptiveQueryExecSuite.scala:
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@@ -710,18 +711,20 @@ class AdaptiveQueryExecSuite
 
   test("SPARK-37753: Inhibit broadcast in left outer join when there are many empty" +
     " partitions on outer/left side") {
-    withSQLConf(
-      SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true",
-      SQLConf.NON_EMPTY_PARTITION_RATIO_FOR_BROADCAST_JOIN.key -> "0.5") {
-      // `testData` is small enough to be broadcast but has empty partition ratio over the config.
-      withSQLConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "200") {
-        val (plan, adaptivePlan) = runAdaptiveAndVerifyResult(
-          "SELECT * FROM (select * from testData where value = '1') td" +
-            " left outer join testData2 ON key = a")
-        val smj = findTopLevelSortMergeJoin(plan)
-        assert(smj.size == 1)
-        val bhj = findTopLevelBroadcastHashJoin(adaptivePlan)
-        assert(bhj.isEmpty)
+    eventually(timeout(40.seconds), interval(500.milliseconds)) {

Review Comment:
   the interval is 500 ms, do you know how long this test takes?



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