Hi,
My question is about the performance (or other) impact of the difference
between _source and fields projection.
These 2 queries return (at least in my perspective) an equivalent result:
{"_source":{"include":["name"]}}
==> {... "_source":{"name":"blah"}}
and:
{"fields":["name"]}
==>{... "fields":{"name":"blah"}}
In cases where the _source is stored -
Is there a preference to one of the approaches?
performance/memory/functional wise?
Thanks,
Udi
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