Upayavira <u...@odoko.co.uk> wrote: > Also, attempting to facet across a large number of docs is going to take > some time. Perhaps you might gain some performance benefit by sharding > your index?
One should be aware that distributed faceting on String fields has a non-trivial overhead: It is a two-phase system, where the first phase is a bit heavier than a non-distributed faceting call and the second phase varies (depending on corpus and query) between being lighter and even heavier. If faceting performance is the problem, it is quite possible to end up with worse overall performance by changing from a single-shard setup to a multi-shard one. As always, measure. - Toke Eskildsen
