Hi Jacky, Raghunandan S: Thanks for your reply. Currently I am working on PR2045, this pr will automatically delete the segment lock files when execute method 'SegmentStatusManager.deleteLoadsAndUpdateMetadata', and it will scan 'tablestatus' file to decide which segment lock file need to be deleted. Ravindra Pesala considers the performance of reading tablestatus file as the size of it is getting larger. So I want to know whether it can reduce the size of tablestatus file. According to Raghunandan S's suggestion, I think we can *append* the invisible segment list to the file called 'tablestatus.history' when execute command 'CLEAN FILES FOR TABLE' every time, separate visible and invisible segments into two files. If later it needs to support listing all segments(include visible and invisible) list when execute 'SHOW SEGMENTS FOR TABLE', it just need to read from two files. Is it OK to do so?
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