ESQL: Further reduce many-shards overhead

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ESQL: Further reduce many-shards overhead #107330

Open nik9000 opened 5 months ago

nik9000 commented 5 months ago

When ESQL targets hundreds of shards the overhead of the _field_caps and _search_shards requests that it needs to perform even a very small query can add up. This issue is to further lower that overhead.

This is a continuation of the work from 103369

elasticsearchmachine commented 5 months ago

Pinging @elastic/es-analytical-engine (Team:Analytics)