npawar commented on code in PR #9020:
URL: https://github.com/apache/pinot/pull/9020#discussion_r914317759


##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/realtime/PinotLLCRealtimeSegmentManager.java:
##########
@@ -1215,12 +1215,18 @@ private void createNewConsumingSegment(TableConfig 
tableConfig, PartitionLevelSt
     StreamPartitionMsgOffset partitionGroupSmallestOffset =
         getPartitionGroupSmallestOffset(streamConfig, partitionGroupId);
 
-    // Start offset must be higher than the start offset of the stream
-    if (partitionGroupSmallestOffset.compareTo(startOffset) > 0) {
-      LOGGER.error("Data lost from offset: {} to: {} for partition: {} of 
table: {}", startOffset,
-          partitionGroupSmallestOffset, partitionGroupId, 
tableConfig.getTableName());
+    if (partitionGroupSmallestOffset != null) {
+      // Start offset must be higher than the start offset of the stream
+      if (partitionGroupSmallestOffset.compareTo(startOffset) > 0) {

Review Comment:
   correct. that's coming from the startOffset value set in segmentZkMetadata



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