update observability section

src/main/antora/modules/ROOT/pages/observability/conventions.adoc

@@ -1,10 +1,11 @@
 [[observability-conventions]]
 = Conventions
 
-Below you can find a list of all `GlobalObservabilityConventions` and `ObservabilityConventions` declared by this project.
+Below you can find a list of all `GlobalObservationConvention` and `ObservationConvention` declared by this project.
 
 .ObservationConvention implementations
 |===
 |ObservationConvention Class Name | Applicable ObservationContext Class Name
-|`org.springframework.data.cassandra.observability.DefaultCassandraObservationConvention`|`n/a`
+|`org.springframework.data.mongodb.observability.DefaultMongoHandlerObservationConvention`|`MongoHandlerContext`
+|`org.springframework.data.mongodb.observability.MongoHandlerObservationConvention`|`MongoHandlerContext`
 |===

src/main/antora/modules/ROOT/pages/observability/metrics.adoc

@@ -3,46 +3,37 @@
 
 Below you can find a list of all metrics declared by this project.
 
-[[observability-metrics-cassandra-query-observation]]
-== Cassandra Query Observation
+[[observability-metrics-mongodb-command-observation]]
+== Mongodb Command Observation
 
 ____
-Create an `io.micrometer.observation.Observation` for Cassandra-based queries.
+Timer created around a MongoDB command execution.
 ____
 
-**Metric name** `spring.data.cassandra.query`. **Type** `timer` and **base unit** `seconds`.
+**Metric name** `spring.data.mongodb.command`. **Type** `timer`.
 
-Fully qualified name of the enclosing class `org.springframework.data.cassandra.observability.CassandraObservation`.
+**Metric name** `spring.data.mongodb.command.active`. **Type** `long task timer`.
 
+IMPORTANT: KeyValues that are added after starting the Observation might be missing from the *.active metrics.
 
+IMPORTANT: Micrometer internally uses `nanoseconds` for the baseunit. However, each backend determines the actual baseunit. (i.e. Prometheus uses seconds)
 
-.Low cardinality Keys
-[cols="a,a"]
-|===
-|Name | Description
-|`db.cassandra.coordinator.dc`|
-|`db.cassandra.coordinator.id`|
-|`db.name`|Name of the Cassandra keyspace.
-|`db.operation`|The database operation.
-|`db.system`|Database system.
-|`net.peer.name`|Name of the database host.
-|`net.peer.port`|Logical remote port number.
-|`net.sock.peer.addr`|Cassandra peer address.
-|`net.sock.peer.port`|Cassandra peer port.
-|`net.transport`|Network transport.
-|`spring.data.cassandra.methodName`|The method name
-|`spring.data.cassandra.sessionName`|Cassandra session
-|===
+Fully qualified name of the enclosing class `org.springframework.data.mongodb.observability.MongoObservation`.
 
-.High cardinality Keys
+.Low cardinality Keys
 [cols="a,a"]
 |===
 |Name | Description
-|`db.cassandra.consistency_level`|
-|`db.cassandra.idempotence`|
-|`db.cassandra.page_size`|
-|`db.statement`|A key-value containing Cassandra CQL.
-|`spring.data.cassandra.node[%s].error`|A tag containing error that occurred for the given node. (since the name contains `%s` the final value will be resolved at runtime)
+|`db.connection_string` _(required)_|MongoDB connection string.
+|`db.mongodb.collection` _(required)_|MongoDB collection name.
+|`db.name` _(required)_|MongoDB database name.
+|`db.operation` _(required)_|MongoDB command value.
+|`db.system` _(required)_|MongoDB database system.
+|`db.user` _(required)_|MongoDB user.
+|`net.peer.name` _(required)_|Name of the database host.
+|`net.peer.port` _(required)_|Logical remote port number.
+|`net.sock.peer.addr` _(required)_|Mongo peer address.
+|`net.sock.peer.port` _(required)_|Mongo peer port.
+|`net.transport` _(required)_|Network transport.
+|`spring.data.mongodb.cluster_id` _(required)_|MongoDB cluster identifier.
 |===
-
-

src/main/antora/modules/ROOT/pages/observability/spans.adoc

@@ -3,39 +3,28 @@
 
 Below you can find a list of all spans declared by this project.
 
-[[observability-spans-cassandra-query-observation]]
-== Cassandra Query Observation Span
+[[observability-spans-mongodb-command-observation]]
+== Mongodb Command Observation Span
 
-> Create an `io.micrometer.observation.Observation` for Cassandra-based queries.
-
-**Span name** `spring.data.cassandra.query`.
-
-Fully qualified name of the enclosing class `org.springframework.data.cassandra.observability.CassandraObservation`.
+> Timer created around a MongoDB command execution.
 
+**Span name** `spring.data.mongodb.command`.
 
+Fully qualified name of the enclosing class `org.springframework.data.mongodb.observability.MongoObservation`.
 
 .Tag Keys
 |===
 |Name | Description
-|`db.cassandra.consistency_level`|
-|`db.cassandra.coordinator.dc`|
-|`db.cassandra.coordinator.id`|
-|`db.cassandra.idempotence`|
-|`db.cassandra.page_size`|
-|`db.name`|Name of the Cassandra keyspace.
-|`db.operation`|The database operation.
-|`db.statement`|A key-value containing Cassandra CQL.
-|`db.system`|Database system.
-|`net.peer.name`|Name of the database host.
-|`net.peer.port`|Logical remote port number.
-|`net.sock.peer.addr`|Cassandra peer address.
-|`net.sock.peer.port`|Cassandra peer port.
-|`net.transport`|Network transport.
-|`spring.data.cassandra.methodName`|The method name
-|`spring.data.cassandra.node[%s].error`|A tag containing error that occurred for the given node. (since the name contains `%s` the final value will be resolved at runtime)
-|`spring.data.cassandra.sessionName`|Cassandra session
+|`db.connection_string` _(required)_|MongoDB connection string.
+|`db.mongodb.collection` _(required)_|MongoDB collection name.
+|`db.name` _(required)_|MongoDB database name.
+|`db.operation` _(required)_|MongoDB command value.
+|`db.system` _(required)_|MongoDB database system.
+|`db.user` _(required)_|MongoDB user.
+|`net.peer.name` _(required)_|Name of the database host.
+|`net.peer.port` _(required)_|Logical remote port number.
+|`net.sock.peer.addr` _(required)_|Mongo peer address.
+|`net.sock.peer.port` _(required)_|Mongo peer port.
+|`net.transport` _(required)_|Network transport.
+|`spring.data.mongodb.cluster_id` _(required)_|MongoDB cluster identifier.
 |===
-
-
-
-