ES 2 to 7.5 migration


I'm currently migrating from ES 2 to 7.5. Below query gives me results in the older version and no results/error in newer version when executed in Postman.


Should I reindex API to index all data from old to new instance? Any help is greatly appreciated; thanks!

@lhmzhou you should probably ask this question in the Elasticsearch section. It seems related to Elasticsearch itself, not to ECK.

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