Why do fielddata still exist in new versions of Elasticsearch?
Can not they be discontinued?
Are doc_values currently unable to replace them?
In what cases are fielddata necessary, since we can use doc_value in a much more performative way?
It can be useful when you still need to generate multiple terms from a given text vs indexing the whole text.
It can be useful when you prefer to pay the cost of memory usage than index space...
So I believe this can be still useful.
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