Hello all,
I am seeing a large performance drawdown on an index (8 shards) with around
1 billion docs with json.facet. The fields are docValues true, and only 11
docs qualify for the query. But the facet part itself takes 3 to 4 times
the time taken by the query part (aka without facet).

Questions:
- Does json.facet in solr work differently than regular facets
(facet=true&facet.field=myfield, etc)?

- Is one more performant than the other for a large index or under certain
constraints?

I should mention that the faceting is being done on couple of high
cardinality fields. But still, it *feels *like json.facet is considering a
much larger dataset for evaluation even though only 11 docs qualify.

Thanks,
Rahul

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