Returning Many Large Documents and Performace

I'm executing a query where I could possibly return 100k results. The
documents are quite large, about 3.6 kb per document, 312 mb for 100k of

When executing the query in ES, the query itself is somewhat fast, about 5
seconds. But it takes longer than a minute to get the results back from the

What can be done to improve this performance? Is ElasticSearch not meant to
handle such large documents?

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