Opentelemetry-semantic-conventions

This and earlier versions were released as part of [the Specification](https://github.com/open-telemetry/opentelemetry-specification/). See [the specification changelog](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/CHANGELOG.md) if you'd like to `git blame` a changelog entry.

- Clarify that attribute requirement levels apply to the instrumentation library
([3289](https://github.com/open-telemetry/opentelemetry-specification/pull/3289))
- Fix grammatical number of metric units.
([3298](https://github.com/open-telemetry/opentelemetry-specification/pull/3298))
- Rename `net.app.protocol.(name|version)` to `net.protocol.(name|version)`
([3272](https://github.com/open-telemetry/opentelemetry-specification/pull/3272))
- Replace `http.flavor` with `net.protocol.(name|version)`
([3272](https://github.com/open-telemetry/opentelemetry-specification/pull/3272))
- Metric requirement levels are now stable
([3271](https://github.com/open-telemetry/opentelemetry-specification/pull/3271))
- BREAKING: remove `messaging.destination.kind` and `messaging.source.kind`.
([3214](https://github.com/open-telemetry/opentelemetry-specification/pull/3214),
[3348](https://github.com/open-telemetry/opentelemetry-specification/pull/3348))
- Define attributes collected for `cosmosdb` by Cosmos DB SDK
([3097](https://github.com/open-telemetry/opentelemetry-specification/pull/3097))
- Clarify stability requirements of semantic conventions
([3225](https://github.com/open-telemetry/opentelemetry-specification/pull/3225))
- BREAKING: Change span statuses for gRPC server spans.
([3333](https://github.com/open-telemetry/opentelemetry-specification/pull/3333))
- Stabilize key components of `service.*` and `telemetry.sdk.*` resource
semantic conventions.
([3202](https://github.com/open-telemetry/opentelemetry-specification/pull/3202))
- Fixed attributes requirement level in semantic conventions for hardware metrics
([3258](https://github.com/open-telemetry/opentelemetry-specification/pull/3258))
- Added AWS S3 semantic conventions.
([3251](https://github.com/open-telemetry/opentelemetry-specification/pull/3251))
- Fix units in the Kafka metric semantic conventions.
([3300](https://github.com/open-telemetry/opentelemetry-specification/pull/3300))
- Add Trino to Database specific conventions
([3347](https://github.com/open-telemetry/opentelemetry-specification/pull/3347))
- Change `db.statement` to only be collected if there is sanitization.
([3127](https://github.com/open-telemetry/opentelemetry-specification/pull/3127))
- BREAKING: Remove `http.status_code` attribute from the
`http.server.active_requests` metric.
([3366](https://github.com/open-telemetry/opentelemetry-specification/pull/3366))
- Mark attribute requirement levels as stable
([3368](https://github.com/open-telemetry/opentelemetry-specification/pull/3368))

- Move X-Ray Env Variable propagation to span link instead of parent for AWS Lambda.
([3166](https://github.com/open-telemetry/opentelemetry-specification/pull/3166))
- Add heroku resource semantic conventions.
[3075](https://github.com/open-telemetry/opentelemetry-specification/pull/3075)
- BREAKING: Rename faas.execution to faas.invocation_id
([3209](https://github.com/open-telemetry/opentelemetry-specification/pull/3209))
- BREAKING: Change faas.max_memory units to Bytes instead of MB
([3209](https://github.com/open-telemetry/opentelemetry-specification/pull/3209))
- BREAKING: Expand scope of faas.id to cloud.resource_id
([3188](https://github.com/open-telemetry/opentelemetry-specification/pull/3188))
- Add Connect RPC specific conventions
([3116](https://github.com/open-telemetry/opentelemetry-specification/pull/3116))
- Rename JVM metric attribute value from `nonheap` to `non_heap`
([3250](https://github.com/open-telemetry/opentelemetry-specification/pull/3250))
- Mark the attribute naming guidelines in the specification as stable.
([3220](https://github.com/open-telemetry/opentelemetry-specification/pull/3220))
- Mark telemetry schema readme stable.
([3221](https://github.com/open-telemetry/opentelemetry-specification/pull/3221))
- Remove mention of `net.transport` from HTTP semantic conventions
([3244](https://github.com/open-telemetry/opentelemetry-specification/pull/3244))
- Clarifies that if an HTTP client request is explicitly made to an IP address,
e.g. `http://x.x.x.x:8080`, then `net.peer.name` SHOULD be the IP address `x.x.x.x`
([3276](https://github.com/open-telemetry/opentelemetry-specification/pull/3276))
- Mark `net.sock.host.port` as conditionally required.
([3246](https://github.com/open-telemetry/opentelemetry-specification/pull/3246))
- Rename Optional attribute requirement level to Opt-In.
([3228](https://github.com/open-telemetry/opentelemetry-specification/pull/3228))
- Rename `http.user_agent` to `user_agent.original`.
([3190](https://github.com/open-telemetry/opentelemetry-specification/pull/3190))
- Expand the declaration of `pool.name`.
([3050](https://github.com/open-telemetry/opentelemetry-specification/pull/3050))

- Add Cloud Spanner and Microsoft SQL Server Compact to db.system semantic conventions
([3105](https://github.com/open-telemetry/opentelemetry-specification/pull/3105)).
- Enable semantic convention tooling for metrics in spec
([3119](https://github.com/open-telemetry/opentelemetry-specification/pull/3119))
- Rename google openshift platform attribute from `google_cloud_openshift` to `gcp_openshift`
to match the existing `cloud.provider` prefix.
([3095](https://github.com/open-telemetry/opentelemetry-specification/pull/3095))
- Changes http server span names from `{http.route}` to `{http.method} {http.route}`
(when route is available), and from `HTTP {http.method}` to `{http.method}` (when
route is not available).
Changes http client span names from `HTTP {http.method}` to `{http.method}`.
([3165](https://github.com/open-telemetry/opentelemetry-specification/pull/3165))
- Mark `http.server.duration` and `http.client.duration` metrics as required, and mark
all other HTTP metrics as optional.
[3158](https://github.com/open-telemetry/opentelemetry-specification/pull/3158)
- Add `net.host.port` to `http.server.active_requests` metrics attributes.
[3158](https://github.com/open-telemetry/opentelemetry-specification/pull/3158)
- `http.route` SHOULD contain the "application root" if there is one.
([3164](https://github.com/open-telemetry/opentelemetry-specification/pull/3164))

- Clarify common HTTP attributes apply to both clients and servers
([3044](https://github.com/open-telemetry/opentelemetry-specification/pull/3044))
- Add `code.lineno` source code attribute
([3029](https://github.com/open-telemetry/opentelemetry-specification/pull/3029))
- Add ClickHouse to db.system semantic conventions
([3011](https://github.com/open-telemetry/opentelemetry-specification/pull/3011))
- Refactor messaging attributes and per-message attributes in batching scenarios.
([2957](https://github.com/open-telemetry/opentelemetry-specification/pull/2957)).
BREAKING: rename `messaging.consumer_id` to `messaging.consumer.id`,
`messaging.destination` to `messaging.destination.name`,
`messaging.temp_destination` to `messaging.destination.temporary`,
`messaging.destination_kind` to `messaging.destination.kind`,
`messaging.message_id` to `messaging.message.id`,
`messaging.protocol` to `net.app.protocol.name`,
`messaging.protocol_version`, `net.app.protocol.version`,
`messaging.conversation_id` to `messaging.message.conversation_id`,
`messaging.message_payload_size_bytes` to `messaging.message.payload_size_bytes`,
`messaging.message_payload_compressed_size_bytes` to `messaging.message.payload_compressed_size_bytes`,
`messaging.rabbitmq.routing_key`: `messaging.rabbitmq.destination.routing_key`,
`messaging.kafka.message_key` to `messaging.kafka.message.key`,
`messaging.kafka.consumer_group` to `messaging.kafka.consumer.group`,
`messaging.kafka.partition` to `messaging.kafka.destination.partition`,
`messaging.kafka.tombstone` to `messaging.kafka.message.tombstone`,
`messaging.rocketmq.message_type` to `messaging.rocketmq.message.type`,
`messaging.rocketmq.message_tag` to `messaging.rocketmq.message.tag`,
`messaging.rocketmq.message_keys` to `messaging.rocketmq.message.keys`;
Removed `messaging.url`;
Renamed `send` operation to `publish`;
Split `destination` and `source` namespaces and clarify per-message attributes in batching scenarios.

- Add `process.runtime.jvm.gc.duration` metric to semantic conventions.
([2903](https://github.com/open-telemetry/opentelemetry-specification/pull/2903))
- Make http.status_code metric attribute an int.
([2943](https://github.com/open-telemetry/opentelemetry-specification/pull/2943))
- Add IBM Cloud as a cloud provider.
([2965](https://github.com/open-telemetry/opentelemetry-specification/pull/2965))
- Add semantic conventions for Feature Flags
([2529](https://github.com/open-telemetry/opentelemetry-specification/pull/2529))
- Rename `rpc.request.metadata.<key>` and `rpc.response.metadata.<key>` to
`rpc.grpc.request.metadata.<key>` and `rpc.grpc.response.metadata.<key>`
([2981](https://github.com/open-telemetry/opentelemetry-specification/pull/2981))
- List the machine-id as potential source for a unique host.id
([2978](https://github.com/open-telemetry/opentelemetry-specification/pull/2978))
- Add `messaging.kafka.message.offset` attribute.
([2982](https://github.com/open-telemetry/opentelemetry-specification/pull/2982))
- Update hardware metrics to use `direction` as per general semantic conventions
([2942](https://github.com/open-telemetry/opentelemetry-specification/pull/2942))

- Change to messaging.kafka.max.lag from UpDownCounter to Gauge (and rename it)
([2837](https://github.com/open-telemetry/opentelemetry-specification/pull/2837))
- Add daemon attribute to jvm threads metric
([2828](https://github.com/open-telemetry/opentelemetry-specification/pull/2828))
- Add gRPC request and response metadata semantic conventions
([2874](https://github.com/open-telemetry/opentelemetry-specification/pull/2874))
- Add `process.paging.faults` metric to semantic conventions
([2827](https://github.com/open-telemetry/opentelemetry-specification/pull/2827))
- Define semantic conventions yaml for non-otlp conventions
([2850](https://github.com/open-telemetry/opentelemetry-specification/pull/2850))
- Add more semantic convention attributes of Apache RocketMQ
([2881](https://github.com/open-telemetry/opentelemetry-specification/pull/2881))
- Add `process.runtime.jvm.memory.usage_after_last_gc` metric to semantic conventions.
([2901](https://github.com/open-telemetry/opentelemetry-specification/pull/2901))