javascript - What will be the feasible way to change analyzed to not analyed in elasticsearch? -


i have migrated data mysql elasticsearch, found elasticsearch default analyzed on string. want change string fields analyzed not-analyzed. cannot change directly elasticsearch. optimal way change without deleting data? or should first backup elasticsearch data, create new index mapping , migrate old new one.

well , option here backup data , create new index updated mapping , re indexing entire set of documents new one. elasticsearch produces great deal of meta data based on data provide on search happens. needs regenerated , way reindexing.


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