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[Docs] Clarify multi match query field limit #34801

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Oct 25, 2018
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[Docs] Clarify multi match query field limit #34801

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4 changes: 3 additions & 1 deletion docs/reference/query-dsl/multi-match-query.asciidoc
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Expand Up @@ -63,7 +63,9 @@ index settings, which in turn defaults to `*`. `*` extracts all fields in the ma
are eligible to term queries and filters the metadata fields. All extracted fields are then
combined to build a query.

WARNING: There is a limit of no more than 1024 fields being queried at once.
WARNING: If you have a huge number of fields, the above auto expansion might lead to
querying a large number of felds which might cause performance issues. In future versions
(stating in 7.0) there will be a limit of no more than 1024 fields that can be queried at once.

[[multi-match-types]]
[float]
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