MongoDB: how to find 10 random document in a collection of 100?

Question

Is MongoDB capable of funding number of random documents without making multiple queries?

e.g. I implemented on the JS side after loading all the document in the col

Answer 1

skip didn't work out for me. Here is what I wound up with:

var randomDoc = db.getCollection("collectionName").aggregate([ {
    $match : {
// criteria to filter matches
    }
}, {
    $sample : {
        size : 1
    }
} ]).result[0];

gets a single random result, matching the criteria.