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Merge pull request #126957 from dashpole/fix_tracing_leak

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Fix memory leak from global OpenTelemetry MeterProvider
This commit is contained in:
Kubernetes Prow Robot
2024-08-28 19:29:17 +01:00
committed by GitHub
parent 71389d5082 4aa655c2d7
commit 3d65369f34
4 changed files with 15 additions and 2 deletions
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2
staging/src/k8s.io/apiserver/go.mod
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@@ -31,6 +31,7 @@ require (
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.53.0
go.opentelemetry.io/otel v1.28.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0
go.opentelemetry.io/otel/metric v1.28.0
go.opentelemetry.io/otel/sdk v1.28.0
go.opentelemetry.io/otel/trace v1.28.0
go.uber.org/zap v1.26.0
@@ -110,7 +111,6 @@ require (
go.etcd.io/etcd/pkg/v3 v3.5.13 // indirect
go.etcd.io/etcd/raft/v3 v3.5.13 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
go.opentelemetry.io/otel/metric v1.28.0 // indirect
go.opentelemetry.io/proto/otlp v1.3.1 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect

8
staging/src/k8s.io/apiserver/pkg/server/options/tracing.go
View File

@@ -23,7 +23,9 @@ import (
"net"
"github.com/spf13/pflag"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
"go.opentelemetry.io/otel/metric/noop"
"go.opentelemetry.io/otel/sdk/resource"
"go.opentelemetry.io/otel/semconv/v1.12.0"
"google.golang.org/grpc"
@@ -48,6 +50,12 @@ var (
codecs = serializer.NewCodecFactory(cfgScheme)
)
func init() {
// Prevent memory leak from OTel metrics, which we don't use:
// https://github.com/open-telemetry/opentelemetry-go-contrib/issues/5190
otel.SetMeterProvider(noop.NewMeterProvider())
}
func init() {
install.Install(cfgScheme)
}