UZi5136225 commented on a change in pull request #1652:
URL: https://github.com/apache/hudi/pull/1652#discussion_r429590352



##########
File path: 
hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/helpers/KafkaOffsetGen.java
##########
@@ -207,6 +208,11 @@ public KafkaOffsetGen(TypedProperties props) {
     maxEventsToReadFromKafka = (maxEventsToReadFromKafka == Long.MAX_VALUE || 
maxEventsToReadFromKafka == Integer.MAX_VALUE)
         ? Config.maxEventsFromKafkaSource : maxEventsToReadFromKafka;
     long numEvents = sourceLimit == Long.MAX_VALUE ? maxEventsToReadFromKafka 
: sourceLimit;
+
+    if (numEvents < toOffsets.size()) {

Review comment:
       The general production environment will not have such operations. But I 
found this problem in the test environment, and feel that I should give at 
least one hint




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