Get top hits aggregation without aggregating on all values

Elastic Stack Elasticsearch
1

Hey,

Based on the documentation top aggregations can be used as a sub aggregator.

Maybe I can achieve it in a different way but my use case is:
I have the following structure:

{
    name: "x"
}

I basically need to get the top 10 document based on the name field.
The problem is that I have 100M documents, and possible 100K values for the name field.
From what I understand, this is not a good use case for ES, because running an aggregation with more then tens of thousands buckets will not have good performance, and will take a lot in terms of resources from the cluster.

To sum it up. I just need the topX documents based on a field with many possible values.

Is there a "good" way to achieve this?
Is my assumption regards the number of buckets is wrong?

Thanks!!

2

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