Greetings, I am somewhat new to elasticsearch and I am trying to understand the implications of multi_fields in terms of performance/memory consumption. I see from the documents that multi_fields are useful when you want to analyze field data in different ways. What I do not see is any discussion on how expensive it is to have these additional "fields." I realize that this is a very glib question, which is due in large to my ignorance, so any advice or links to documents that might have some information on this would be very useful and I would be grateful. Thanks in advance.
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