Hi, I am a beginner of ES.
I plan to store serveral millions of news documents using ES.
Now if a user queries something like "obama", hundreds of thousand
documents will be returned to the user. This will definitely take a
lot of time. (If I am wrong about this, plz correct me)
So I wanted to limit the size of documents to be searched and
Obviously I want the most relevant documents to be returned. And I
came across "min_score" function. (http://www.elasticsearch.org/guide/
According to the example, looks like I get to choose the score. But I
am wondering what the definition of this "score" is.
Is it the degree of relevance of the document to the query? (like,
Or is it a some kind of percentage of the whole documents that are
Plz help a newbie out.