Logging

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Whilst developing with Elasticsearch using NEST, it can be extremely valuable to see the requests that NEST generates and sends to Elasticsearch, as well as the responses returned.

There are a couple of popular ways of capturing this information

More detailed diagnostic information can be captured with

In addition to logging requests and responses, Elasticsearch 5.0+ also sends back warning headers in the response, to notify you if you are using a feature that is marked as deprecated.