Why I used Wildcard query ，start with " " and end with " " is also so fast too!!!
but as the official document says "In order to prevent extremely slow wildcard queries, a wildcard term should not start with one of the wildcards * or ?"
My field size is about 100 characters and my test data is about 15Gb.
who can give me an example of a situation where it's going to be slow，plz!
How long does it take?
It can be slow when you have a lot of different terms in the inverted index.
What does your dataset look like?
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