[db] rename db.system to db.system.name for metrics and update values (#1917)

Co-authored-by: Trask Stalnaker <trask.stalnaker@gmail.com>

Author: sincejune

.chloggen/rename-db-metric-name.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: breaking
+
+# 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: Rename `db.system` to `db.system.name` in database metrics, and update the values to be consistent with database spans.
+
+# 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: [1581]
+
+# (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:

docs/database/cassandra.md

@@ -160,6 +160,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 Cassandra client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"cassandra"`.
+`db.system.name` MUST be set to `"cassandra"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/couchdb.md

@@ -84,6 +84,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 CouchDB client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"couchdb"`.
+`db.system.name` MUST be set to `"couchdb"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/dynamodb.md

@@ -593,6 +593,6 @@ The following table outlines the span attributes applicable to DynamoDB.
 AWS DynamoDB client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"dynamodb"`.
+`db.system.name` MUST be set to `"aws.dynamodb"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/elasticsearch.md

@@ -182,6 +182,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 Elasticsearch client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"elasticsearch"`.
+`db.system.name` MUST be set to `"elasticsearch"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/hbase.md

@@ -100,6 +100,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 HBase client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"hbase"`.
+`db.system.name` MUST be set to `"hbase"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/mariadb.md

@@ -111,6 +111,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 MariaDB client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"mariadb"`.
+`db.system.name` MUST be set to `"mariadb"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/mongodb.md

@@ -114,6 +114,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 MongoDB client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"mongodb"`.
+`db.system.name` MUST be set to `"mongodb"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/mssql.md

@@ -114,6 +114,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 Microsoft SQL Server client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"mssql"`.
+`db.system.name` MUST be set to `"microsoft.sql_server"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/mysql.md

@@ -109,6 +109,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 MySQL client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"mysql"`.
+`db.system.name` MUST be set to `"mysql"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status

docs/database/postgresql.md

@@ -116,6 +116,6 @@ and SHOULD be provided **at span creation time** (if provided at all):
 PostgreSQL client instrumentations SHOULD collect metrics according to the general
 [Semantic Conventions for Database Client Metrics](database-metrics.md).
 
-`db.system` MUST be set to `"postgresql"`.
+`db.system.name` MUST be set to `"postgresql"`.
 
 [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status