adding index.sort options to the list (opensearch-project#10542)

* adding index.sort options to the list

Signed-off-by: Anton Rubin <[email protected]>

* Apply suggestions from code review

Co-authored-by: kolchfa-aws <[email protected]>
Signed-off-by: AntonEliatra <[email protected]>

* Update _install-and-configure/configuring-opensearch/index-settings.md

Signed-off-by: Nathan Bower <[email protected]>

---------

Signed-off-by: Anton Rubin <[email protected]>
Signed-off-by: AntonEliatra <[email protected]>
Signed-off-by: Nathan Bower <[email protected]>
Co-authored-by: kolchfa-aws <[email protected]>
Co-authored-by: Nathan Bower <[email protected]>

Author: 3 people

_install-and-configure/configuring-opensearch/index-settings.md

@@ -144,6 +144,10 @@ For `zstd`, `zstd_no_dict`, `qat_lz4`, and `qat_deflate`, you can specify the co
 
 - `index.soft_deletes.retention_lease.period` (Time unit): The maximum amount of time to retain a shard's history of operations. Default is `12h`.
 
+- `index.sort.field` (String): Specifies the field used to sort documents at index time. The default sort order is `asc` (ascending). To change the order, set the `index.sort.order` parameter.
+
+- `index.sort.order` (String): Specifies the document sort order at index time. Valid values are `asc` (ascending) and `desc` (descending). Default is `asc`. This setting requires `index.sort.field` to also be set.
+
 - `index.load_fixed_bitset_filters_eagerly` (Boolean): Whether OpenSearch should preload cached filters. Available options are `true` and `false`. Default is `true`.
 
 - `index.hidden` (Boolean): Whether the index should be hidden. Hidden indexes are not returned as part of queries that have wildcards. Available options are `true` and `false`. Default is `false`.