mcvsubbu commented on a change in pull request #7086:
URL: https://github.com/apache/incubator-pinot/pull/7086#discussion_r658357255



##########
File path: 
pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/BaseSingleSegmentConversionExecutor.java
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@@ -70,6 +71,14 @@ public SegmentConversionResult executeTask(PinotTaskConfig 
pinotTaskConfig)
     String originalSegmentCrc = 
configs.get(MinionConstants.ORIGINAL_SEGMENT_CRC_KEY);
     String authToken = configs.get(MinionConstants.AUTH_TOKEN);
 
+    long currentSegmentCrc = getSegmentCrc(tableNameWithType, segmentName);
+    if (Long.parseLong(originalSegmentCrc) != currentSegmentCrc) {
+      LOGGER.info("Segment CRC does not match, skip the task. Original CRC: 
{}, current CRC: {}", originalSegmentCrc,
+          currentSegmentCrc);
+      throw new FatalException(taskType + " on table: " + tableNameWithType + 
", segment: " + segmentName

Review comment:
       Why are you throwing an exception here? The job will be treated as an 
ERROR case, when it is not an error. We are just optimizing saying that this is 
done.




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