I have a simple question about "store=true" of field mapping.
I thought that "store=true" is like clusted-index on MySQL so I expected a
benefit when searching something and accessing stored fields because of
removing a random I/O for retrieving an original JSON.
In my performance testing, however, "store=true" looked like that there was
no performance benefit even if I used '_fields' on my script. '_doc' is
more faster than '_fields'. If this is a fact, why there is "store=true"
Please give me some advice.
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