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[DOCS] Adds notable 7.3 breaking changes (#45057)

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Lisa Cawley 2019-07-31 11:47:10 -07:00 committed by GitHub
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docs/reference/migration/migrate_7_3.asciidoc
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@ -9,21 +9,17 @@ your application to Elasticsearch 7.3.
See also <<release-highlights>> and <<es-release-notes>>.
coming[7.3.0]
//NOTE: The notable-breaking-changes tagged regions are re-used in the
//Installation and Upgrade Guide
//tag::notable-breaking-changes[]
// end::notable-breaking-changes[]
[discrete]
[[breaking_73_mapping_changes]]
=== Mapping changes
`dense_vector` field now requires `dims` parameter, specifying the number of
dimensions for document and query vectors for this field.
[float]
[discrete]
==== Defining multi-fields within multi-fields
Previously, it was possible to define a multi-field within a multi-field.
@ -33,39 +29,41 @@ in 8.0. To resolve the issue, all instances of `fields` that occur within a
chained `fields` blocks into a single level, or by switching to `copy_to` if
appropriate.
[discrete]
[[breaking_73_plugin_changes]]
=== Plugins changes
[float]
[discrete]
==== IndexStorePlugin changes
IndexStore and DirectoryService have been replaced by a stateless and simple
DirectoryFactory interface to create custom Lucene directory instances per shard.
[float]
[discrete]
[[breaking_73_search_changes]]
=== Search Changes
=== Search changes
[float]
[discrete]
==== 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]
[discrete]
===== 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.
[float]
[discrete]
[[breaking_73_ccr_changes]]
=== CCR Changes
=== CCR changes
[float]
[discrete]
==== Directly modifying aliases of follower indices is no longer allowed
Aliases are now replicated to a follower from its leader, so directly modifying
aliases on follower indices is no longer allowed.
// end::notable-breaking-changes[]