Each field given in search request adds up to search performance because
the field must be searched, weighted, scored, and ranked.
I recommend using _all field, or combining fields into fewer fields with
"copy_to", and use as few fields as possible for search.
Jörg
On Sun, Nov 23, 2014 at 10:56 AM, Ajay Divakaran <ajay.divakaran86@gmail.com
wrote:
Hi all,
I'm using ES version 0.90.7.
My requirement is to fetch all the fields of the JSON documents that I
search/filter for. Is there a performance difference in specifying all the
field names in the search request vs not specifying the 'fields' parameter.By not specifying the fields parameter I see the response time to be
relatively faster.Could someone explain this behavior?
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