Jackie-Jiang commented on PR #8564:
URL: https://github.com/apache/pinot/pull/8564#issuecomment-1103238294

   I don't follow the fix here. Let's say a consuming segment is dropped (or 
reset), we will destroy the current consuming segment, and that will add a 
checkpoint to the source. The next consuming segment will skip the records 
within the dropped segment, and cause data loss.
   IMO we should add the checkpoint only when then previous segment is 
successfully sealed and we want to start a new consuming segment.


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