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OpenSearch/docs/reference/migration/migrate_7_3.asciidoc

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Remove IndexStore and DirectoryService (#42446) Both of these classes are basically a bloated wrapper around a simple construct that can simply be a DirectoryFactory interface. This change removes both classes and replaces them with a simple stateless interface that creates a new `Directory` per shard. The concept of `index.store` is preserved since it makes sense from a configuration perspective.
2019-05-24 04:44:59 -04:00
[[breaking-changes-7.3]]
== Breaking changes in 7.3
++++
<titleabbrev>7.3</titleabbrev>
++++
This section discusses the changes that you need to be aware of when migrating
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[]
Deprecate support for chained multi-fields. (#42330) This PR contains a straight backport of #41926, and also updates the migration documentation and deprecation info API for 7.x.
2019-05-24 18:55:06 -04:00
[[breaking_73_mapping_changes]]
=== Mapping changes
Add dims parameter to dense_vector mapping (#43444) (#43895) Typically, dense vectors of both documents and queries must have the same number of dimensions. Different number of dimensions among documents or query vector indicate an error. This PR enforces that all vectors for the same field have the same number of dimensions. It also enforces that query vectors have the same number of dimensions.
2019-07-02 21:14:16 -04:00
`dense_vector` field now requires `dims` parameter, specifying the number of
dimensions for document and query vectors for this field.
Deprecate support for chained multi-fields. (#42330) This PR contains a straight backport of #41926, and also updates the migration documentation and deprecation info API for 7.x.
2019-05-24 18:55:06 -04:00
[float]
==== Defining multi-fields within multi-fields
Previously, it was possible to define a multi-field within a multi-field.
Defining chained multi-fields is now deprecated and will no longer be supported
in 8.0. To resolve the issue, all instances of `fields` that occur within a
`fields` block should be removed from the mappings, either by flattening the
chained `fields` blocks into a single level, or by switching to `copy_to` if
appropriate.
Remove IndexStore and DirectoryService (#42446) Both of these classes are basically a bloated wrapper around a simple construct that can simply be a DirectoryFactory interface. This change removes both classes and replaces them with a simple stateless interface that creates a new `Directory` per shard. The concept of `index.store` is preserved since it makes sense from a configuration perspective.
2019-05-24 04:44:59 -04:00
[[breaking_73_plugin_changes]]
=== Plugins changes
[float]
==== IndexStorePlugin changes
IndexStore and DirectoryService have been replaced by a stateless and simple
[Docs] Mention search related deprecations (#42751) Add deprecation entries for 7.3 regarding `common` query and `cutoff_frequency` parameter. Follows: #42691
2019-05-31 06:56:07 -04:00
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.