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[Docs] Mention search related deprecations #42751

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May 31, 2019
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[Docs] Mention search related deprecations #42751

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20 changes: 19 additions & 1 deletion docs/reference/migration/migrate_7_3.asciidoc
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Expand Up @@ -38,4 +38,22 @@ appropriate.
==== IndexStorePlugin changes

IndexStore and DirectoryService have been replaced by a stateless and simple
DirectoryFactory interface to create custom Lucene directory instances per shard.
DirectoryFactory interface to create custom Lucene directory instances per shard.


[float]
[[breaking_73_search_changes]]
=== Search Changes

[float]
==== Deprecation of queries

The `common` query has been deprecated. The same functionality can be achieved
by the `match` query if the total number of hits is not tracked.

[float]
===== Deprecation of query parameters

The `cutoff_frequency` parameter has been deprecated for `match` and `multi_match`
queries. The same functionality can be achieved without any configuration provided
that the total number of hits is not tracked.