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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>>. See also <<release-highlights>> and <<es-release-notes>>.
coming[7.3.0]
//NOTE: The notable-breaking-changes tagged regions are re-used in the //NOTE: The notable-breaking-changes tagged regions are re-used in the
//Installation and Upgrade Guide //Installation and Upgrade Guide
//tag::notable-breaking-changes[] //tag::notable-breaking-changes[]
[discrete]
// end::notable-breaking-changes[]
[[breaking_73_mapping_changes]] [[breaking_73_mapping_changes]]
=== Mapping changes === Mapping changes
`dense_vector` field now requires `dims` parameter, specifying the number of `dense_vector` field now requires `dims` parameter, specifying the number of
dimensions for document and query vectors for this field. dimensions for document and query vectors for this field.
[float] [discrete]
==== Defining multi-fields within multi-fields ==== Defining multi-fields within multi-fields
Previously, it was possible to define a multi-field within a multi-field. 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 chained `fields` blocks into a single level, or by switching to `copy_to` if
appropriate. appropriate.
[discrete]
[[breaking_73_plugin_changes]] [[breaking_73_plugin_changes]]
=== Plugins changes === Plugins changes
[float] [discrete]
==== IndexStorePlugin changes ==== IndexStorePlugin changes
IndexStore and DirectoryService have been replaced by a stateless and simple IndexStore and DirectoryService have been replaced by a stateless and simple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] [discrete]
[[breaking_73_search_changes]] [[breaking_73_search_changes]]
=== Search Changes === Search changes
[float] [discrete]
==== Deprecation of queries ==== Deprecation of queries
The `common` query has been deprecated. The same functionality can be achieved 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. by the `match` query if the total number of hits is not tracked.
[float] [discrete]
===== Deprecation of query parameters ===== Deprecation of query parameters
The `cutoff_frequency` parameter has been deprecated for `match` and `multi_match` The `cutoff_frequency` parameter has been deprecated for `match` and `multi_match`
queries. The same functionality can be achieved without any configuration provided queries. The same functionality can be achieved without any configuration provided
that the total number of hits is not tracked. that the total number of hits is not tracked.
[float] [discrete]
[[breaking_73_ccr_changes]] [[breaking_73_ccr_changes]]
=== CCR Changes === CCR changes
[float] [discrete]
==== Directly modifying aliases of follower indices is no longer allowed ==== Directly modifying aliases of follower indices is no longer allowed
Aliases are now replicated to a follower from its leader, so directly modifying Aliases are now replicated to a follower from its leader, so directly modifying
aliases on follower indices is no longer allowed. aliases on follower indices is no longer allowed.
// end::notable-breaking-changes[]