How to simulate X-Opaque-Id semantics in Elasticsearch 5.3

[btiernay-o (btiernay)]

For the benefit of future readers, I see there is another approach using stats:

Passing requestId in ES logs

Hi @animageofmine, stats groups are per request. You define them directly in your query. Copying the example that I gave in the other thread verbatim: GET /_search { "query": { "match_all": {} }, "stats" : ["myapplication"] } This will show up in the slow query log as: [2017-05-26 12:12:08,011][INFO ][index.search.slowlog.fetch] [Elven] [old_books][3] took[219.7micros], took_millis[0], types[], stats[myapplication], search_type[QUERY_THEN_FETCH], total_shards[5], source[{…