kasakrisz commented on code in PR #6286:
URL: https://github.com/apache/hive/pull/6286#discussion_r2827520865


##########
ql/src/test/org/apache/hadoop/hive/ql/txn/compactor/CompactorTest.java:
##########
@@ -735,7 +733,13 @@ enum CommitAction {
   }
 
   protected long compactInTxn(CompactionRequest rqst) throws Exception {
-    return compactInTxn(rqst, CommitAction.COMMIT);
+    long compactorTxnId = compactInTxn(rqst, CommitAction.COMMIT);
+
+    // Wait for the cooldown period so the Cleaner can see the last committed 
txn as the highest committed watermark
+    // TODO: doesn't belong here, should probably be moved to 
CompactorTest#startCleaner()
+    Thread.sleep(MetastoreConf.getTimeVar(
+        conf, ConfVars.TXN_OPENTXN_TIMEOUT, TimeUnit.MILLISECONDS));
+    return compactorTxnId;

Review Comment:
   Is there a status stored somewhere (maybe in backend db) which indicates 
whether the cooldown period is timed out or not? If yes IMHO checking the 
status would be more consistent.



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