We have simple search over 50 GB index.
And it's slow.
I can't even wonder why, whole index is in RAM (and a lot of free space is
available) and CPU is a bottleneck (100% load).

The query is simple (except tvrh):

q=(text:(word1+word2)++title:(word1+word2))&tv=true&isShard=true&qt=/tvrh&fq=cat:(10+11+12)&fq=field1:(150)&fq=field2:(0)&fq=date:[2015-01-01T00:00:00Z+TO+2015-04-24T23:59:59Z]

text, title - text_general fields
cat, field1, field2 - tint fields
date - a date field (I know, it's deprecated, will be changed soon).
All fields are indexed, some of them are stored.

And search time is 15 seconds (for warmed searcher, it's not the first
query).

debug=true shows timings process={time=15382.0,query={time=15282.0}

What can I check?



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