added db.redis.instance semantic convention

CHANGELOG.md

@@ -65,7 +65,7 @@ release.
   ([2100](https://github.com/open-telemetry/opentelemetry-specification/pull/2100))
 - Add JVM memory runtime semantic
   conventions. ([#2272](https://github.com/open-telemetry/opentelemetry-specification/pull/2272))
-- Add `redis.instance` Resource attribute in Redis.
+- Add `db.redis.instance` Resource attribute in Redis.
   ([#2145](https://github.com/open-telemetry/opentelemetry-specification/pull/2145))
 
 ### Compatibility

semantic_conventions/resource/redis.yaml → semantic_conventions/resource/db/redis.yaml

@@ -1,6 +1,6 @@
 groups:
   - id: redis
-    prefix: redis
+    prefix: db.redis
     brief: >
         A redis instance
     attributes:

specification/resource/semantic_conventions/README.md

@@ -162,7 +162,7 @@ Attributes defining a running environment (e.g. Operating System, Cloud, Data Ce
 
 Attributes defining a database service.
 
-- [Redis](./redis.md)
+- [Redis](./db/redis.md)
 
 ## Version attributes
 

specification/resource/semantic_conventions/db/redis.md

@@ -0,0 +1,13 @@
+# Redis
+
+**Status**: [Experimental](../../document-status.md)
+
+**type:** `db.redis`
+
+**Description:** A redis instance
+
+<!-- semconv redis -->
+| Attribute  | Type | Description  | Examples  | Required |
+|---|---|---|---|---|
+| `db.redis.instance` | string | Reported name of the Redis instance. This can be in the form `{host}:{port}` or any other name provided manually while configuring the instrumentation and defaults to the `endpoint` value provided in the configuration. | `localhost:6379`; `product_info_redis` | No |
+<!-- endsemconv -->