hi Linwood,
1. better to implement "Update feature enhancement" at first, it will
create a new segment to store new files.
http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/Discussion-Update-feature-enhancement-td99769.html
2. clean deletedelta files
now carbon need clean invalid .deletedelta files before update/delete.
If we don't clean them, after next update/delete, these files will become
valid .deletedela files.
How to avoid clean invalid .deletedelta files and they don't impact
data after next update/delete operation?
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Best Regards
David Cai
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