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Remove expensive calculation of gRPC message size #3168

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merged 4 commits into from
Jan 23, 2023
Merged

Remove expensive calculation of gRPC message size #3168

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9d79a62
Remove expensive calculation of gRPC message size
Aneurysm9 Jan 18, 2023
86c3879
mod tidy
Aneurysm9 Jan 18, 2023
0802dbe
Merge branch 'main' into fix/grpcSizePerf
Aneurysm9 Jan 20, 2023
5ad860c
Merge branch 'main' into fix/grpcSizePerf
dmathieu Jan 23, 2023
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
- Add missing recommended AWS Lambda resource attributes `faas.instance` and `faas.max_memory` in `go.opentelemetry.io/contrib/detectors/aws/lambda`. (#3148)
- Improve documentation for `samplers/jaegerremote` by providing examples of sampling endpoints. (#3147)

### Changed
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should this be Removed instead of changed? Or otherwise marked breaking?

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I'd be fine with moving to Removed but I don't think this counts as breaking as it relates to attributes emitted by telemetry and not package APIs.


- `otelgrpc`: Remove expensive calculation of uncompressed message size attribute. (#3168)

## [1.12.0/0.37.0/0.6.0]

### Added
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20 changes: 6 additions & 14 deletions instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go
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Expand Up @@ -39,24 +39,16 @@ import (
type messageType attribute.KeyValue

// Event adds an event of the messageType to the span associated with the
// passed context with id and size (if message is a proto message).
func (m messageType) Event(ctx context.Context, id int, message interface{}) {
// passed context with a message id.
func (m messageType) Event(ctx context.Context, id int, _ interface{}) {
span := trace.SpanFromContext(ctx)
if !span.IsRecording() {
return
}
if p, ok := message.(proto.Message); ok {
span.AddEvent("message", trace.WithAttributes(
attribute.KeyValue(m),
RPCMessageIDKey.Int(id),
RPCMessageUncompressedSizeKey.Int(proto.Size(p)),
))
} else {
span.AddEvent("message", trace.WithAttributes(
attribute.KeyValue(m),
RPCMessageIDKey.Int(id),
))
}
span.AddEvent("message", trace.WithAttributes(
attribute.KeyValue(m),
RPCMessageIDKey.Int(id),
))
}

var (
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2 changes: 1 addition & 1 deletion instrumentation/google.golang.org/grpc/otelgrpc/test/go.mod
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Expand Up @@ -10,7 +10,6 @@ require (
go.opentelemetry.io/otel/sdk/metric v0.34.0
go.uber.org/goleak v1.2.0
google.golang.org/grpc v1.52.0
google.golang.org/protobuf v1.28.1
)

require (
Expand All @@ -30,6 +29,7 @@ require (
golang.org/x/text v0.5.0 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 // indirect
google.golang.org/protobuf v1.28.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

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