beyond1920 commented on code in PR #9850:
URL: https://github.com/apache/hudi/pull/9850#discussion_r1358191937


##########
hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/sink/utils/TestWriteBase.java:
##########
@@ -524,9 +524,15 @@ private void checkInstantState(HoodieInstant.State state, 
String instantStr) {
     }
 
     protected String lastCompleteInstant() {
-      return OptionsResolver.isMorTable(conf)
-          ? TestUtils.getLastDeltaCompleteInstant(basePath)
-          : TestUtils.getLastCompleteInstant(basePath, 
HoodieTimeline.COMMIT_ACTION);
+      if (OptionsResolver.isLocklessMultiWriter(this.conf)) {
+        // If there are lockless multiple writer, fetch last complete instant 
of current writer from ckp metadata
+        // because the writer started first might finish later, similarly, the 
writer started later might finish first.
+        return this.ckpMetadata.lastCompleteInstant();
+      } else {

Review Comment:
   In most case `return this.ckpMetadata.lastCompleteInstant();`  directly 
works fine.
   But the case `testSubtaskFails` would fail because failover happens, the ckp 
meta might be cleaned, fetch the instant from timeline.
   I add branch to handle this case.



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