In elasticsearch, as we know, while querying we can give various aspects of
One category is Query_and_fetch v/s Query_then_fetch.
Also one more add on we can provide is the dfs query with both of them.
I heard one of the vedio of Shay Banon explaining dfs query and he
in case of dfs, there is an additional phase in which frequencies from all
*I am not sure what he means by frequencies. Is it just the distributed
term frequencies *
*or it also takes into account the distributed inverse document frequencies?
Thanks in advance.