> I guess we should then consider doing the same for messaging ([`messaging.message.body.size` and `messaging.message.envelope.size`](https://github.com/open-telemetry/semantic-conventions/blob/main/docs/messaging/messaging-spans.md#messaging-attributes)) and RPC ([`message.compressed_size` and `message.uncompressed_size`](https://github.com/open-telemetry/semantic-conventions/blob/main/docs/rpc/rpc-spans.md#events))? _Originally posted by @pyohannes in https://github.com/open-telemetry/semantic-conventions/issues/460#issuecomment-1784814530_
Originally posted by @pyohannes in #460 (comment)