[DOCS] Synchronize location of Breaking Changes (#33588)

docs/reference/index.asciidoc

@@ -29,8 +29,6 @@ include::setup/bootstrap-checks-xes.asciidoc[]
 :edit_url:
 include::upgrade.asciidoc[]
 
-include::migration/index.asciidoc[]
-
 include::api-conventions.asciidoc[]
 
 include::docs.asciidoc[]
@@ -76,6 +74,8 @@ include::glossary.asciidoc[]
 
 include::release-notes/highlights.asciidoc[]
 
+include::migration/index.asciidoc[]
+
 include::release-notes.asciidoc[]
 
 include::redirects.asciidoc[]

docs/reference/migration/migrate_7_0.asciidoc

@@ -1,30 +1,14 @@
 [[breaking-changes-7.0]]
 == Breaking changes in 7.0
+++++
+<titleabbrev>7.0</titleabbrev>
+++++
 
 This section discusses the changes that you need to be aware of when migrating
 your application to Elasticsearch 7.0.
 
 See also <<release-highlights>> and <<es-release-notes>>.
 
-[float]
-=== Indices created before 7.0
-
-Elasticsearch 7.0 can read indices created in version 6.0 or above.  An
-Elasticsearch 7.0 node will not start in the presence of indices created in a
-version of Elasticsearch before 6.0.
-
-[IMPORTANT]
-.Reindex indices from Elasticsearch 5.x or before
-=========================================
-
-Indices created in Elasticsearch 5.x or before will need to be reindexed with
-Elasticsearch 6.x in order to be readable by Elasticsearch 7.x.
-
-=========================================
-
-[float]
-=== Also see:
-
 * <<breaking_70_aggregations_changes>>
 * <<breaking_70_cluster_changes>>
 * <<breaking_70_indices_changes>>
@@ -41,6 +25,22 @@ Elasticsearch 6.x in order to be readable by Elasticsearch 7.x.
 * <<breaking_70_restclient_changes>>
 * <<breaking_70_low_level_restclient_changes>>
 
+[float]
+=== Indices created before 7.0
+
+Elasticsearch 7.0 can read indices created in version 6.0 or above.  An
+Elasticsearch 7.0 node will not start in the presence of indices created in a
+version of Elasticsearch before 6.0.
+
+[IMPORTANT]
+.Reindex indices from Elasticsearch 5.x or before
+=========================================
+
+Indices created in Elasticsearch 5.x or before will need to be reindexed with
+Elasticsearch 6.x in order to be readable by Elasticsearch 7.x.
+
+=========================================
+
 include::migrate_7_0/aggregations.asciidoc[]
 include::migrate_7_0/analysis.asciidoc[]
 include::migrate_7_0/cluster.asciidoc[]

docs/reference/migration/migrate_7_0/aggregations.asciidoc

@@ -1,21 +1,26 @@
+[float]
 [[breaking_70_aggregations_changes]]
 === Aggregations changes
 
+[float]
 ==== Deprecated `global_ordinals_hash` and `global_ordinals_low_cardinality` execution hints for terms aggregations have been removed
 
 These `execution_hint` are removed and should be replaced by `global_ordinals`.
 
+[float]
 ==== `search.max_buckets` in the cluster setting
 
 The dynamic cluster setting named `search.max_buckets` now defaults
 to 10,000 (instead of unlimited in the previous version).
 Requests that try to return more than the limit will fail with an exception.
 
+[float]
 ==== `missing` option of the `composite` aggregation has been removed
 
 The `missing` option of the `composite` aggregation, deprecated in 6.x,
 has been removed. `missing_bucket` should be used instead.
 
+[float]
 ==== Replaced `params._agg` with `state` context variable in scripted metric aggregations
 
 The object used to share aggregation state between the scripts in a Scripted Metric

docs/reference/migration/migrate_7_0/analysis.asciidoc

@@ -1,12 +1,15 @@
+[float]
 [[breaking_70_analysis_changes]]
 === Analysis changes
 
+[float]
 ==== Limiting the number of tokens produced by _analyze
 
 To safeguard against out of memory errors, the number of tokens that can be produced
 using the `_analyze` endpoint has been limited to 10000. This default limit can be changed
 for a particular index with the index setting `index.analyze.max_token_count`.
 
+[float]
 ==== Limiting the length of an analyzed text during highlighting
 
 Highlighting a text that was indexed without offsets or term vectors,
@@ -16,13 +19,15 @@ To protect against this, the maximum number of characters that will be analyzed
 limited to 1000000. This default limit can be changed
 for a particular index with the index setting `index.highlight.max_analyzed_offset`.
 
+[float]
 ==== `delimited_payload_filter` renaming
 
 The `delimited_payload_filter` was deprecated and renamed to `delimited_payload` in 6.2.
 Using it in indices created before 7.0 will issue deprecation warnings. Using the old
 name in new indices created in 7.0 will throw an error. Use the new name `delimited_payload`
 instead.
 
+[float]
 ==== `standard` filter has been removed
 
 The `standard` token filter has been removed because it doesn't change anything in the stream.

docs/reference/migration/migrate_7_0/api.asciidoc

@@ -1,6 +1,8 @@
+[float]
 [[breaking_70_api_changes]]
 === API changes
 
+[float]
 ==== Camel case and underscore parameters deprecated in 6.x have been removed
 A number of duplicate parameters deprecated in 6.x have been removed from
 Bulk request, Multi Get request, Term Vectors request, and More Like This Query
@@ -22,6 +24,7 @@ The following parameters starting with underscore have been removed:
 Instead of these removed parameters, use their non camel case equivalents without
 starting underscore, e.g. use `version_type` instead of `_version_type` or `versionType`.
 
+[float]
 ==== Thread pool info
 
 In previous versions of Elasticsearch, the thread pool info returned in the
@@ -48,10 +51,12 @@ aligns the output of the API with the configuration values for thread
 pools. Note that `core` and `max` will be populated for scaling thread pools,
 and `size` will be populated for fixed thread pools.
 
+[float]
 ==== The parameter `fields` deprecated in 6.x has been removed from Bulk request 
 and Update request. The Update API returns `400 - Bad request` if request contains 
 unknown parameters (instead of ignored in the previous version).
 
+[float]
 [[remove-suggest-metric]]
 ==== Remove support for `suggest` metric/index metric in indices stats and nodes stats APIs
 
@@ -66,6 +71,7 @@ In the past, `fields` could be provided either as a parameter, or as part of the
 body. Specifying `fields` in the request body as opposed to a parameter was deprecated
 in 6.4.0, and is now unsupported in 7.0.0.
 
+[float]
 ==== `copy_settings` is deprecated on shrink and split APIs
 
 Versions of Elasticsearch prior to 6.4.0 did not copy index settings on shrink
@@ -76,10 +82,12 @@ will be for such settings to be copied on such operations. To enable users in
 the only behavior in 8.0.0, this parameter is deprecated in 7.0.0 for removal in
 8.0.0.
 
+[float]
 ==== The deprecated stored script contexts have now been removed
 When putting stored scripts, support for storing them with the deprecated `template` context or without a context is
 now removed. Scripts must be stored using the `script` context as mentioned in the documentation.
 
+[float]
 ==== Get Aliases API limitations when {security} is enabled removed
 
 The behavior and response codes of the get aliases API no longer vary
@@ -88,6 +96,7 @@ depending on whether {security} is enabled. Previously a
 current user was not authorized for any alias. An empty response with
 status 200 - OK is now returned instead at all times.
 
+[float]
 ==== Put User API response no longer has `user` object
 
 The Put User API response was changed in 6.5.0 to add the `created` field

docs/reference/migration/migrate_7_0/cluster.asciidoc

@@ -1,16 +1,20 @@
+[float]
 [[breaking_70_cluster_changes]]
 === Cluster changes
 
+[float]
 ==== `:` is no longer allowed in cluster name
 
 Due to cross-cluster search using `:` to separate a cluster and index name,
 cluster names may no longer contain `:`.
 
+[float]
 ==== New default for `wait_for_active_shards` parameter of the open index command
 
 The default value for the `wait_for_active_shards` parameter of the open index API
 is changed from 0 to 1, which means that the command will now by default wait for all
 primary shards of the opened index to be allocated.
 
+[float]
 ==== Shard preferences `_primary`, `_primary_first`, `_replica`, and `_replica_first` are removed
 These shard preferences are removed in favour of the `_prefer_nodes` and `_only_nodes` preferences.

docs/reference/migration/migrate_7_0/indices.asciidoc

@@ -1,17 +1,20 @@
+[float]
 [[breaking_70_indices_changes]]
 === Indices changes
 
+[float]
 ==== `:` is no longer allowed in index name
 
 Due to cross-cluster search using `:` to separate a cluster and index name,
 index names may no longer contain `:`.
 
+[float]
 ==== `index.unassigned.node_left.delayed_timeout` may no longer be negative
 
 Negative values were interpreted as zero in earlier versions but are no
 longer accepted.
 
-
+[float]
 ==== `_flush` and `_force_merge` will no longer refresh
 
 In previous versions issuing a `_flush` or `_force_merge` (with `flush=true`)
@@ -20,7 +23,7 @@ visible to searches and non-realtime GET operations. From now on these operation
 don't have this side-effect anymore. To make documents visible an explicit `_refresh`
 call is needed unless the index is refreshed by the internal scheduler.
 
-
+[float]
 ==== Limit to the difference between max_size and min_size in NGramTokenFilter and NGramTokenizer
 
 To safeguard against creating too many index terms, the difference between `max_ngram` and
@@ -29,7 +32,7 @@ limit can be changed with the index setting `index.max_ngram_diff`. Note that if
 exceeded a error is thrown only for new indices. For existing pre-7.0 indices, a deprecation
 warning is logged.
 
-
+[float]
 ==== Limit to the difference between max_size and min_size in ShingleTokenFilter
 
 To safeguard against creating too many tokens, the difference between `max_shingle_size` and
@@ -38,6 +41,7 @@ limit can be changed with the index setting `index.max_shingle_diff`. Note that
 exceeded a error is thrown only for new indices. For existing pre-7.0 indices, a deprecation
 warning is logged.
 
+[float]
 ==== Document distribution changes
 
 Indices created with version `7.0.0` onwards will have an automatic `index.number_of_routing_shards`
@@ -46,6 +50,7 @@ shards the index has. In order to maintain the exact same distribution as a pre
 `index.number_of_routing_shards` must be set to the `index.number_of_shards` at index creation time.
 Note: if the number of routing shards equals the number of shards `_split` operations are not supported.
 
+[float]
 ==== Skipped background refresh on search idle shards
 
 Shards belonging to an index that does not have an explicit
@@ -56,6 +61,7 @@ that access a search idle shard will be "parked" until the next refresh
 happens.  Indexing requests with `wait_for_refresh` will also trigger
 a background refresh.
 
+[float]
 ==== Remove deprecated url parameters for Clear Indices Cache API
 
 The following previously deprecated url parameter have been removed:
@@ -65,12 +71,14 @@ The following previously deprecated url parameter have been removed:
 * `request_cache` - use `request` instead
 * `field_data` - use `fielddata` instead
 
+[float]
 ==== `network.breaker.inflight_requests.overhead` increased to 2
 
 Previously the in flight requests circuit breaker considered only the raw byte representation.
 By bumping the value of `network.breaker.inflight_requests.overhead` from 1 to 2, this circuit
 breaker considers now also the memory overhead of representing the request as a structured object.
 
+[float]
 ==== Parent circuit breaker changes
 
 The parent circuit breaker defines a new setting `indices.breaker.total.use_real_memory` which is
@@ -79,6 +87,7 @@ heap memory instead of only considering the reserved memory by child circuit bre
 setting is `true`, the default parent breaker limit also changes from 70% to 95% of the JVM heap size.
 The previous behavior can be restored by setting `indices.breaker.total.use_real_memory` to `false`.
 
+[float]
 ==== `fix` value for `index.shard.check_on_startup` is removed
 
 Deprecated option value `fix` for setting `index.shard.check_on_startup` is not supported.

docs/reference/migration/migrate_7_0/java.asciidoc

@@ -1,23 +1,28 @@
+[float]
 [[breaking_70_java_changes]]
 === Java API changes
 
+[float]
 ==== `isShardsAcked` deprecated in `6.2` has been removed
 
 `isShardsAcked` has been replaced by `isShardsAcknowledged` in
 `CreateIndexResponse`, `RolloverResponse` and
 `CreateIndexClusterStateUpdateResponse`.
 
+[float]
 ==== `prepareExecute` removed from the client api
 
 The `prepareExecute` method which created a request builder has been
 removed from the client api. Instead, construct a builder for the
 appropriate request directly.
 
+[float]
 ==== Some Aggregation classes have moved packages
 
 * All classes present in `org.elasticsearch.search.aggregations.metrics.*` packages
 were moved to a single `org.elasticsearch.search.aggregations.metrics` package.
 
+[float]
 ==== `Retry.withBackoff` methods with `Settings` removed
 
 The variants of `Retry.withBackoff` that included `Settings` have been removed

docs/reference/migration/migrate_7_0/low_level_restclient.asciidoc

@@ -1,13 +1,16 @@
+[float]
 [[breaking_70_low_level_restclient_changes]]
 === Low-level REST client changes
 
+[float]
 ==== Deprecated flavors of performRequest have been removed
 
 We deprecated the flavors of `performRequest` and `performRequestAsync` that
 do not take `Request` objects in 6.4.0 in favor of the flavors that take
 `Request` objects because those methods can be extended without breaking
 backwards compatibility.
 
+[float]
 ==== Removed setHosts
 
 We deprecated `setHosts` in 6.4.0 in favor of `setNodes` because it supports