diff --git a/.chloggen/users_sourabhjain_moreoperationmetrics.yaml b/.chloggen/users_sourabhjain_moreoperationmetrics.yaml
new file mode 100644
index 0000000000..8c2dad39df
--- /dev/null
+++ b/.chloggen/users_sourabhjain_moreoperationmetrics.yaml
@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: db
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Added `db.cosmosdb.regions_contacted` attribute to Cosmos DB metrics and traces.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [1525]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
diff --git a/docs/attributes-registry/db.md b/docs/attributes-registry/db.md
index bc6f42e7f4..a0abc785a6 100644
--- a/docs/attributes-registry/db.md
+++ b/docs/attributes-registry/db.md
@@ -195,10 +195,13 @@ This group defines attributes for Azure Cosmos DB.
| `db.cosmosdb.client_id` | string | Unique Cosmos client instance id. | `3ba4827d-4422-483f-b59f-85b74211c11d` |  |
| `db.cosmosdb.connection_mode` | string | Cosmos client connection mode. | `gateway`; `direct` |  |
| `db.cosmosdb.consistency_level` | string | Account or request [consistency level](https://learn.microsoft.com/azure/cosmos-db/consistency-levels). | `Eventual`; `ConsistentPrefix`; `BoundedStaleness`; `Strong`; `Session` |  |
+| `db.cosmosdb.regions_contacted` | string | Comma Separated List of regions contacted during operation in the order specific region was contacted. [10] | `North Central US`; `Australia East, Australia Southeast` |  |
| `db.cosmosdb.request_charge` | double | Request units consumed for the operation. | `46.18`; `1.0` |  |
| `db.cosmosdb.request_content_length` | int | Request payload size in bytes. | |  |
| `db.cosmosdb.sub_status_code` | int | Cosmos DB sub status code. | `1000`; `1002` |  |
+**[10]:** Region name matches the format of `displayName` in [Azure Location API](https://learn.microsoft.com/rest/api/subscription/subscriptions/list-locations?view=rest-subscription-2021-10-01&tabs=HTTP#location)
+
`db.cosmosdb.connection_mode` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
| Value | Description | Stability |
@@ -223,9 +226,9 @@ This group defines attributes for Elasticsearch.
| Attribute | Type | Description | Examples | Stability |
|---|---|---|---|---|
| `db.elasticsearch.node.name` | string | Represents the human-readable identifier of the node/instance to which a request was routed. | `instance-0000000001` |  |
-| `db.elasticsearch.path_parts.` | string | A dynamic value in the url path. [10] | `db.elasticsearch.path_parts.index=test-index`; `db.elasticsearch.path_parts.doc_id=123` |  |
+| `db.elasticsearch.path_parts.` | string | A dynamic value in the url path. [11] | `db.elasticsearch.path_parts.index=test-index`; `db.elasticsearch.path_parts.doc_id=123` |  |
-**[10]:** Many Elasticsearch url paths allow dynamic values. These SHOULD be recorded in span attributes in the format `db.elasticsearch.path_parts.`, where `` is the url path part name. The implementation SHOULD reference the [elasticsearch schema](https://raw.githubusercontent.com/elastic/elasticsearch-specification/main/output/schema/schema.json) in order to map the path part values to their names.
+**[11]:** Many Elasticsearch url paths allow dynamic values. These SHOULD be recorded in span attributes in the format `db.elasticsearch.path_parts.`, where `` is the url path part name. The implementation SHOULD reference the [elasticsearch schema](https://raw.githubusercontent.com/elastic/elasticsearch-specification/main/output/schema/schema.json) in order to map the path part values to their names.
## Deprecated Database Attributes
diff --git a/docs/database/cosmosdb.md b/docs/database/cosmosdb.md
index 272bce2ab7..eab3064bf6 100644
--- a/docs/database/cosmosdb.md
+++ b/docs/database/cosmosdb.md
@@ -42,29 +42,32 @@ Cosmos DB instrumentation includes call-level (public API) surface spans and net
| [`db.collection.name`](/docs/attributes-registry/db.md) | string | Cosmos DB container name. [1] | `public.users`; `customers` | `Conditionally Required` if available |  |
| [`db.cosmosdb.connection_mode`](/docs/attributes-registry/db.md) | string | Cosmos client connection mode. | `gateway`; `direct` | `Conditionally Required` [2] |  |
| [`db.cosmosdb.consistency_level`](/docs/attributes-registry/db.md) | string | Account or request [consistency level](https://learn.microsoft.com/azure/cosmos-db/consistency-levels). | `Eventual`; `ConsistentPrefix`; `BoundedStaleness`; `Strong`; `Session` | `Conditionally Required` If available. |  |
+| [`db.cosmosdb.regions_contacted`](/docs/attributes-registry/db.md) | string | Comma Separated List of regions contacted during operation in the order specific region was contacted. [3] | `North Central US`; `Australia East, Australia Southeast` | `Conditionally Required` If available. |  |
| [`db.cosmosdb.request_charge`](/docs/attributes-registry/db.md) | double | Request units consumed for the operation. | `46.18`; `1.0` | `Conditionally Required` when available |  |
| [`db.cosmosdb.sub_status_code`](/docs/attributes-registry/db.md) | int | Cosmos DB sub status code. | `1000`; `1002` | `Conditionally Required` when response was received and contained sub-code. |  |
| [`db.namespace`](/docs/attributes-registry/db.md) | string | The name of the database, fully qualified within the server address and port. | `customers`; `test.users` | `Conditionally Required` If available. |  |
-| [`db.operation.name`](/docs/attributes-registry/db.md) | string | The name of the operation or command being executed. [3] | `create_item`; `query_items`; `read_item` | `Conditionally Required` [4] |  |
+| [`db.operation.name`](/docs/attributes-registry/db.md) | string | The name of the operation or command being executed. [4] | `create_item`; `query_items`; `read_item` | `Conditionally Required` [5] |  |
| [`db.response.returned_rows`](/docs/attributes-registry/db.md) | int | Cosmos DB row count in result set. | `10`; `20` | `Conditionally Required` if response was received and returned any rows |  |
-| [`db.response.status_code`](/docs/attributes-registry/db.md) | string | Cosmos DB status code. [5] | `200`; `201` | `Conditionally Required` if response was received |  |
-| [`error.type`](/docs/attributes-registry/error.md) | string | Describes a class of error the operation ended with. [6] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` | `Conditionally Required` If and only if the operation failed. |  |
-| [`server.port`](/docs/attributes-registry/server.md) | int | Server port number. [7] | `80`; `8080`; `443` | `Conditionally Required` If not default (443). |  |
-| [`az.namespace`](/docs/attributes-registry/azure.md) | string | [Azure Resource Provider Namespace](https://learn.microsoft.com/azure/azure-resource-manager/management/azure-services-resource-providers) as recognized by the client. [8] | `Microsoft.DocumentDB` | `Recommended` |  |
+| [`db.response.status_code`](/docs/attributes-registry/db.md) | string | Cosmos DB status code. [6] | `200`; `201` | `Conditionally Required` if response was received |  |
+| [`error.type`](/docs/attributes-registry/error.md) | string | Describes a class of error the operation ended with. [7] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` | `Conditionally Required` If and only if the operation failed. |  |
+| [`server.port`](/docs/attributes-registry/server.md) | int | Server port number. [8] | `80`; `8080`; `443` | `Conditionally Required` If not default (443). |  |
+| [`az.namespace`](/docs/attributes-registry/azure.md) | string | [Azure Resource Provider Namespace](https://learn.microsoft.com/azure/azure-resource-manager/management/azure-services-resource-providers) as recognized by the client. [9] | `Microsoft.DocumentDB` | `Recommended` |  |
| [`db.cosmosdb.client_id`](/docs/attributes-registry/db.md) | string | Unique Cosmos client instance id. | `3ba4827d-4422-483f-b59f-85b74211c11d` | `Recommended` |  |
| [`db.cosmosdb.request_content_length`](/docs/attributes-registry/db.md) | int | Request payload size in bytes. | | `Recommended` |  |
-| [`db.operation.batch.size`](/docs/attributes-registry/db.md) | int | The number of queries included in a batch operation. [9] | `2`; `3`; `4` | `Recommended` |  |
-| [`db.query.summary`](/docs/attributes-registry/db.md) | string | Low cardinality representation of a database query text. [10] | `SELECT wuser_table`; `INSERT shipping_details SELECT orders`; `get user by id` | `Recommended` [11] |  |
-| [`db.query.text`](/docs/attributes-registry/db.md) | string | The database query being executed. [12] | `SELECT * FROM wuser_table where username = ?`; `SET mykey ?` | `Recommended` [13] |  |
-| [`server.address`](/docs/attributes-registry/server.md) | string | Name of the database host. [14] | `example.com`; `10.1.2.80`; `/tmp/my.sock` | `Recommended` |  |
-| [`user_agent.original`](/docs/attributes-registry/user-agent.md) | string | Full user-agent string is generated by Cosmos DB SDK [15] | `cosmos-netstandard-sdk/3.23.0\|3.23.1\|1\|X64\|Linux 5.4.0-1098-azure 104 18\|.NET Core 3.1.32\|S\|` | `Recommended` |  |
-| [`db.query.parameter.`](/docs/attributes-registry/db.md) | string | A query parameter used in `db.query.text`, with `` being the parameter name, and the attribute value being a string representation of the parameter value. [16] | `someval`; `55` | `Opt-In` |  |
+| [`db.operation.batch.size`](/docs/attributes-registry/db.md) | int | The number of queries included in a batch operation. [10] | `2`; `3`; `4` | `Recommended` |  |
+| [`db.query.summary`](/docs/attributes-registry/db.md) | string | Low cardinality representation of a database query text. [11] | `SELECT wuser_table`; `INSERT shipping_details SELECT orders`; `get user by id` | `Recommended` [12] |  |
+| [`db.query.text`](/docs/attributes-registry/db.md) | string | The database query being executed. [13] | `SELECT * FROM wuser_table where username = ?`; `SET mykey ?` | `Recommended` [14] |  |
+| [`server.address`](/docs/attributes-registry/server.md) | string | Name of the database host. [15] | `example.com`; `10.1.2.80`; `/tmp/my.sock` | `Recommended` |  |
+| [`user_agent.original`](/docs/attributes-registry/user-agent.md) | string | Full user-agent string is generated by Cosmos DB SDK [16] | `cosmos-netstandard-sdk/3.23.0\|3.23.1\|1\|X64\|Linux 5.4.0-1098-azure 104 18\|.NET Core 3.1.32\|S\|` | `Recommended` |  |
+| [`db.query.parameter.`](/docs/attributes-registry/db.md) | string | A query parameter used in `db.query.text`, with `` being the parameter name, and the attribute value being a string representation of the parameter value. [17] | `someval`; `55` | `Opt-In` |  |
**[1]:** It is RECOMMENDED to capture the value as provided by the application without attempting to do any case normalization.
**[2]:** if not `gateway` (the default value is assumed to be `gateway`).
-**[3]:** The `db.operation.name` has the following list of well-known values.
+**[3]:** The `db.cosmosdb.regions_contacted` attribute is populated with all regions that were contacted during the operation. If there is more than one region listed, it indicates that the operation was performed on multiple regions i.e. cross-regional call.
+
+**[4]:** The `db.operation.name` has the following list of well-known values.
If one of them applies, then the respective value MUST be used.
Batch operations:
@@ -188,44 +191,44 @@ If none of them applies, it's RECOMMENDED to use language-agnostic representatio
client method name in snake_case. Instrumentations SHOULD document
additional values when introducing new operations.
-**[4]:** If readily available and if there is a single operation name that describes the database call. The operation name MAY be parsed from the query text, in which case it SHOULD be the single operation name found in the query.
+**[5]:** If readily available and if there is a single operation name that describes the database call. The operation name MAY be parsed from the query text, in which case it SHOULD be the single operation name found in the query.
-**[5]:** The status code returned by the database. Usually it represents an error code, but may also represent partial success, warning, or differentiate between various types of successful outcomes.
+**[6]:** The status code returned by the database. Usually it represents an error code, but may also represent partial success, warning, or differentiate between various types of successful outcomes.
Semantic conventions for individual database systems SHOULD document what `db.response.status_code` means in the context of that system.
This attribute has stability level RELEASE CANDIDATE.
-**[6]:** The `error.type` SHOULD match the `db.response.status_code` returned by the database or the client library, or the canonical name of exception that occurred.
+**[7]:** The `error.type` SHOULD match the `db.response.status_code` returned by the database or the client library, or the canonical name of exception that occurred.
When using canonical exception type name, instrumentation SHOULD do the best effort to report the most relevant type. For example, if the original exception is wrapped into a generic one, the original exception SHOULD be preferred.
Instrumentations SHOULD document how `error.type` is populated.
-**[7]:** When observed from the client side, and when communicating through an intermediary, `server.port` SHOULD represent the server port behind any intermediaries, for example proxies, if it's available.
+**[8]:** When observed from the client side, and when communicating through an intermediary, `server.port` SHOULD represent the server port behind any intermediaries, for example proxies, if it's available.
-**[8]:** When `az.namespace` attribute is populated, it MUST be set to `Microsoft.DocumentDB` for all operations performed by Cosmos DB client.
+**[9]:** When `az.namespace` attribute is populated, it MUST be set to `Microsoft.DocumentDB` for all operations performed by Cosmos DB client.
-**[9]:** Operations are only considered batches when they contain two or more operations, and so `db.operation.batch.size` SHOULD never be `1`.
+**[10]:** Operations are only considered batches when they contain two or more operations, and so `db.operation.batch.size` SHOULD never be `1`.
This attribute has stability level RELEASE CANDIDATE.
-**[10]:** `db.query.summary` provides static summary of the query text. It describes a class of database queries and is useful as a grouping key, especially when analyzing telemetry for database calls involving complex queries.
+**[11]:** `db.query.summary` provides static summary of the query text. It describes a class of database queries and is useful as a grouping key, especially when analyzing telemetry for database calls involving complex queries.
Summary may be available to the instrumentation through instrumentation hooks or other means. If it is not available, instrumentations that support query parsing SHOULD generate a summary following [Generating query summary](../../docs/database/database-spans.md#generating-a-summary-of-the-quey-text) section.
This attribute has stability level RELEASE CANDIDATE.
-**[11]:** if readily available or if instrumentation supports query summarization.
+**[12]:** if readily available or if instrumentation supports query summarization.
-**[12]:** For sanitization see [Sanitization of `db.query.text`](../../docs/database/database-spans.md#sanitization-of-dbquerytext).
+**[13]:** For sanitization see [Sanitization of `db.query.text`](../../docs/database/database-spans.md#sanitization-of-dbquerytext).
For batch operations, if the individual operations are known to have the same query text then that query text SHOULD be used, otherwise all of the individual query texts SHOULD be concatenated with separator `; ` or some other database system specific separator if more applicable.
Even though parameterized query text can potentially have sensitive data, by using a parameterized query the user is giving a strong signal that any sensitive data will be passed as parameter values, and the benefit to observability of capturing the static part of the query text by default outweighs the risk.
This attribute has stability level RELEASE CANDIDATE.
-**[13]:** Non-parameterized query text SHOULD NOT be collected by default unless there is sanitization that excludes sensitive data, e.g. by redacting all literal values present in the query text. See [Sanitization of `db.query.text`](../../docs/database/database-spans.md#sanitization-of-dbquerytext).
+**[14]:** Non-parameterized query text SHOULD NOT be collected by default unless there is sanitization that excludes sensitive data, e.g. by redacting all literal values present in the query text. See [Sanitization of `db.query.text`](../../docs/database/database-spans.md#sanitization-of-dbquerytext).
Parameterized query text SHOULD be collected by default (the query parameter values themselves are opt-in, see [`db.query.parameter.`](../../docs/attributes-registry/db.md)).
-**[14]:** When observed from the client side, and when communicating through an intermediary, `server.address` SHOULD represent the server address behind any intermediaries, for example proxies, if it's available.
+**[15]:** When observed from the client side, and when communicating through an intermediary, `server.address` SHOULD represent the server address behind any intermediaries, for example proxies, if it's available.
-**[15]:** The user-agent value is generated by SDK which is a combination of
`sdk_version` : Current version of SDK. e.g. 'cosmos-netstandard-sdk/3.23.0'
`direct_pkg_version` : Direct package version used by Cosmos DB SDK. e.g. '3.23.1'
`number_of_client_instances` : Number of cosmos client instances created by the application. e.g. '1'
`type_of_machine_architecture` : Machine architecture. e.g. 'X64'
`operating_system` : Operating System. e.g. 'Linux 5.4.0-1098-azure 104 18'
`runtime_framework` : Runtime Framework. e.g. '.NET Core 3.1.32'
`failover_information` : Generated key to determine if region failover enabled.
+**[16]:** The user-agent value is generated by SDK which is a combination of
`sdk_version` : Current version of SDK. e.g. 'cosmos-netstandard-sdk/3.23.0'
`direct_pkg_version` : Direct package version used by Cosmos DB SDK. e.g. '3.23.1'
`number_of_client_instances` : Number of cosmos client instances created by the application. e.g. '1'
`type_of_machine_architecture` : Machine architecture. e.g. 'X64'
`operating_system` : Operating System. e.g. 'Linux 5.4.0-1098-azure 104 18'
`runtime_framework` : Runtime Framework. e.g. '.NET Core 3.1.32'
`failover_information` : Generated key to determine if region failover enabled.
Format Reg-{D (Disabled discovery)}-S(application region)|L(List of preferred regions)|N(None, user did not configure it).
Default value is "NS".
-**[16]:** Query parameters should only be captured when `db.query.text` is parameterized with placeholders.
+**[17]:** Query parameters should only be captured when `db.query.text` is parameterized with placeholders.
If a parameter has no name and instead is referenced only by index, then `` SHOULD be the 0-based index.
This attribute has stability level RELEASE CANDIDATE.
@@ -338,17 +341,20 @@ Explaining bucket configuration:
|---|---|---|---|---|---|
| [`db.collection.name`](/docs/attributes-registry/db.md) | string | Cosmos DB container name. [1] | `public.users`; `customers` | `Conditionally Required` If available |  |
| [`db.cosmosdb.consistency_level`](/docs/attributes-registry/db.md) | string | Account or request [consistency level](https://learn.microsoft.com/azure/cosmos-db/consistency-levels). | `Eventual`; `ConsistentPrefix`; `BoundedStaleness`; `Strong`; `Session` | `Conditionally Required` If available. |  |
+| [`db.cosmosdb.regions_contacted`](/docs/attributes-registry/db.md) | string | List of regions contacted by the client during a given operation. [2] | `North Central US`; `Australia East, Australia Southeast` | `Conditionally Required` If available |  |
| [`db.cosmosdb.sub_status_code`](/docs/attributes-registry/db.md) | int | Cosmos DB sub status code. | `1000`; `1002` | `Conditionally Required` when response was received and contained sub-code. |  |
| [`db.namespace`](/docs/attributes-registry/db.md) | string | The name of the database, fully qualified within the server address and port. | `customers`; `test.users` | `Conditionally Required` If available. |  |
-| [`db.operation.name`](/docs/attributes-registry/db.md) | string | The name of the operation or command being executed. [2] | `findAndModify`; `HMSET`; `SELECT` | `Conditionally Required` [3] |  |
-| [`db.response.status_code`](/docs/attributes-registry/db.md) | string | Database response status code. [4] | `102`; `ORA-17002`; `08P01`; `404` | `Conditionally Required` [5] |  |
-| [`error.type`](/docs/attributes-registry/error.md) | string | Describes a class of error the operation ended with. [6] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` | `Conditionally Required` If and only if the operation failed. |  |
-| [`server.port`](/docs/attributes-registry/server.md) | int | Server port number. [7] | `80`; `8080`; `443` | `Conditionally Required` [8] |  |
-| [`server.address`](/docs/attributes-registry/server.md) | string | Name of the database host. [9] | `example.com`; `10.1.2.80`; `/tmp/my.sock` | `Recommended` |  |
+| [`db.operation.name`](/docs/attributes-registry/db.md) | string | The name of the operation or command being executed. [3] | `findAndModify`; `HMSET`; `SELECT` | `Conditionally Required` [4] |  |
+| [`db.response.status_code`](/docs/attributes-registry/db.md) | string | Database response status code. [5] | `102`; `ORA-17002`; `08P01`; `404` | `Conditionally Required` [6] |  |
+| [`error.type`](/docs/attributes-registry/error.md) | string | Describes a class of error the operation ended with. [7] | `timeout`; `java.net.UnknownHostException`; `server_certificate_invalid`; `500` | `Conditionally Required` If and only if the operation failed. |  |
+| [`server.port`](/docs/attributes-registry/server.md) | int | Server port number. [8] | `80`; `8080`; `443` | `Conditionally Required` [9] |  |
+| [`server.address`](/docs/attributes-registry/server.md) | string | Name of the database host. [10] | `example.com`; `10.1.2.80`; `/tmp/my.sock` | `Recommended` |  |
**[1]:** It is RECOMMENDED to capture the value as provided by the application without attempting to do any case normalization.
-**[2]:** It is RECOMMENDED to capture the value as provided by the application
+**[2]:** Region name matches the format of `displayName` in [Azure Location API](https://learn.microsoft.com/rest/api/subscription/subscriptions/list-locations?view=rest-subscription-2021-10-01&tabs=HTTP#location)
+
+**[3]:** It is RECOMMENDED to capture the value as provided by the application
without attempting to do any case normalization.
A single database query may involve multiple operations. If the operation
@@ -363,23 +369,23 @@ system specific term if more applicable.
This attribute has stability level RELEASE CANDIDATE.
-**[3]:** If readily available and if there is a single operation name that describes the database call. The operation name MAY be parsed from the query text, in which case it SHOULD be the single operation name found in the query.
+**[4]:** If readily available and if there is a single operation name that describes the database call. The operation name MAY be parsed from the query text, in which case it SHOULD be the single operation name found in the query.
-**[4]:** The status code returned by the database. Usually it represents an error code, but may also represent partial success, warning, or differentiate between various types of successful outcomes.
+**[5]:** The status code returned by the database. Usually it represents an error code, but may also represent partial success, warning, or differentiate between various types of successful outcomes.
Semantic conventions for individual database systems SHOULD document what `db.response.status_code` means in the context of that system.
This attribute has stability level RELEASE CANDIDATE.
-**[5]:** If the operation failed and status code is available.
+**[6]:** If the operation failed and status code is available.
-**[6]:** The `error.type` SHOULD match the `db.response.status_code` returned by the database or the client library, or the canonical name of exception that occurred.
+**[7]:** The `error.type` SHOULD match the `db.response.status_code` returned by the database or the client library, or the canonical name of exception that occurred.
When using canonical exception type name, instrumentation SHOULD do the best effort to report the most relevant type. For example, if the original exception is wrapped into a generic one, the original exception SHOULD be preferred.
Instrumentations SHOULD document how `error.type` is populated.
-**[7]:** When observed from the client side, and when communicating through an intermediary, `server.port` SHOULD represent the server port behind any intermediaries, for example proxies, if it's available.
+**[8]:** When observed from the client side, and when communicating through an intermediary, `server.port` SHOULD represent the server port behind any intermediaries, for example proxies, if it's available.
-**[8]:** If using a port other than the default port for this DBMS and if `server.address` is set.
+**[9]:** If using a port other than the default port for this DBMS and if `server.address` is set.
-**[9]:** When observed from the client side, and when communicating through an intermediary, `server.address` SHOULD represent the server address behind any intermediaries, for example proxies, if it's available.
+**[10]:** When observed from the client side, and when communicating through an intermediary, `server.address` SHOULD represent the server address behind any intermediaries, for example proxies, if it's available.
`db.cosmosdb.consistency_level` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
diff --git a/model/database/cosmosdb-metrics.yaml b/model/database/cosmosdb-metrics.yaml
index 3946880699..77d205b350 100644
--- a/model/database/cosmosdb-metrics.yaml
+++ b/model/database/cosmosdb-metrics.yaml
@@ -7,6 +7,12 @@ groups:
unit: "{request_unit}"
stability: experimental
extends: attributes.db.cosmosdb.minimal
+ attributes:
+ - ref: db.cosmosdb.regions_contacted
+ brief: >
+ List of regions contacted by the client during a given operation.
+ requirement_level:
+ conditionally_required: If available
- id: metric.db.client.cosmosdb.active_instance.count
type: metric
diff --git a/model/database/registry.yaml b/model/database/registry.yaml
index c67c035cc2..136eedfcdd 100644
--- a/model/database/registry.yaml
+++ b/model/database/registry.yaml
@@ -543,7 +543,14 @@ groups:
stability: experimental
brief: Account or request [consistency level](https://learn.microsoft.com/azure/cosmos-db/consistency-levels).
examples: ["Eventual", "ConsistentPrefix", "BoundedStaleness", "Strong", "Session"]
-
+ - id: db.cosmosdb.regions_contacted
+ type: string
+ stability: experimental
+ brief: Comma Separated List of regions contacted during operation in the order specific region was contacted.
+ note: >
+ Region name matches the format of `displayName`
+ in [Azure Location API](https://learn.microsoft.com/rest/api/subscription/subscriptions/list-locations?view=rest-subscription-2021-10-01&tabs=HTTP#location)
+ examples: ["North Central US", "Australia East, Australia Southeast"]
- id: registry.db.elasticsearch
type: attribute_group
display_name: Elasticsearch Attributes
diff --git a/model/database/spans.yaml b/model/database/spans.yaml
index 33bca315c8..2783ac9391 100644
--- a/model/database/spans.yaml
+++ b/model/database/spans.yaml
@@ -737,3 +737,9 @@ groups:
- ref: db.cosmosdb.consistency_level
requirement_level:
conditionally_required: If available.
+ - ref: db.cosmosdb.regions_contacted
+ note: >
+ The `db.cosmosdb.regions_contacted` attribute is populated with all regions that were contacted during the operation.
+ If there is more than one region listed, it indicates that the operation was performed on multiple regions i.e. cross-regional call.
+ requirement_level:
+ conditionally_required: If available.