## StartLocation lost incremental mode,useMaxFunc=true or endLocation is not null, StartLocation has been lost <img width="954" alt="image" src="https://user-images.githubusercontent.com/46181516/172185952-9ec221de-a950-48f3-a836-a1646d97fced.png"> ## EndLocation lost EndLocation is lost during recovery from checkpoint/ Savepoint <img width="817" alt="image" src="https://user-images.githubusercontent.com/46181516/172187022-769a3a5a-8195-4050-bf69-14ef58322106.png">