mqliang commented on a change in pull request #7086:
URL: https://github.com/apache/incubator-pinot/pull/7086#discussion_r659970454



##########
File path: 
pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/BaseSingleSegmentConversionExecutor.java
##########
@@ -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:
       @mcvsubbu 
   I was thinking this will make our change be consistent with the old logic: 
old logic will fail when upload, here we fail early. I am fine with treating 
this as an no-error case by return an empty`SegmentConversionResult`.




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