if you have a good hardware with tons of RAM, you can use
ParallelMultiSearcher, which looks-up in all indieces simulateneously.
if you are short on that, you must search in one index at a time, using
MultiSearcher.
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Hi,
I have around 10 different indexfiles to request. Is it better to do
this via one request to one MultiReader or is better to request the 10
indeces one after another?
Especially for doing some filtering on the result with a HitCollector
it might by easier to use the multi request approch
