DOC-11708 Deprecated REST API endpoint for bucket stats (#3859)

* Update rest-buckets-table.adoc

* DOC-11708 Update rest-scopes-and-collections-table.adoc

replaced '/pools/default/buckets' with '/pools/defaults/stats/range'

* DOC-11708 Update rest-memory-and-storage-table.adoc

replaced pools/default/buckets with /pools/defaults/stats/range

* DOC-11708 Update rest-xdcr-table.adoc

replaced  /pools/default/buckets with /pools/defaults/stats/range

* /DOC-11708 Update rest-buckets-table.adoc

Updated post a conversation with Liam that only "/pools/default/buckets/[bucket-name]/stats" needs to change

* /DOC-11708 Update rest-scopes-and-collections-table.adoc

reverted earlier changes

* /DOC-11708 Update rest-memory-and-storage-table.adoc

reverted earlier changes

* Update rest-buckets-table.adoc

DOC-11708 
replaced GET /pools/default/buckets/[bucket-name]/stats with GET /pools/default/stats/range and added a link to the Statistics page.

* removed an extra slash in line 47

* Corrected original content updates

* Added xdcr rest api for getting statistics

* updated important note

* Edited important note

---------

Co-authored-by: rao-shwe <[email protected]>

Author: supritha-kumar

modules/rest-api/pages/rest-bucket-stats.adoc

@@ -1,11 +1,16 @@
 = Getting Bucket Statistics
-:description: pass:q[To retrieve bucket statistics, use the `GET` operation with the `/pools/default/buckets/bucket_name/stats` URI.]
+:description: pass:q[See the IMPORTANT note.]
 :page-topic-type: reference
 :page-aliases: rest-api:rest-node-retrieve-stats
 
+[.deprecated]#Deprecated#
+
 [abstract]
 {description}
 
+IMPORTANT: As of Couchbase Server 8.0, the REST API endpoint `GET /pools/default/buckets/<bucket-name>/stats` is deprecated.
+For retrieving bucket statistics details, use xref:rest-api:rest-statistics-single.adoc[Getting a Single Statistic] or xref:rest-api:rest-statistics-multiple.adoc[Getting Multiple Statistics] instead.
+
 == HTTP method and URI
 
 Statistics can be retrieved at the bucket level.

modules/rest-api/partials/rest-buckets-table.adoc

@@ -23,8 +23,12 @@
 | xref:rest-api:rest-retrieve-bucket-nodes.adoc[Listing Nodes by Bucket]
 
 | `GET`
-| `/pools/default/buckets/[bucket-name]/stats`
-| xref:rest-api:rest-bucket-stats.adoc[Getting Bucket Statistics]
+| `/pools/default/stats/range/[metric_name]/[function-expression]`
+| xref:rest-api:rest-statistics-single.adoc[Getting a Single Statistic]
+
+| `POST`
+| `/pools/default/stats/range`
+| xref:rest-api:rest-statistics-multiple.adoc[Getting Multiple Statistics]
 
 | `GET`
 | `/pools/default/buckets/default`

modules/rest-api/partials/rest-xdcr-table.adoc

@@ -42,9 +42,8 @@
 | `/settings/replications/<settings_URI>`
 | xref:rest-api:rest-xdcr-adv-settings.adoc[Managing Advanced Settings]
 
-
 | `GET`
-| `/pools/default/buckets/[source_bucket]/stats/[destination_endpoint]`
-| xref:rest-api:rest-xdcr-statistics.adoc[Getting Statistics]
+| `/pools/default/stats/range/[statistics_name]`
+| xref:rest-api:rest-statistics-single.adoc[Getting a Single Statistic]
 
 |===