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Merge pull request #75693 from smarterclayton/speed_up_time_json

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Reduce allocations in metav1.Time JSON serialization
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Kubernetes Prow Robot 2019-03-26 11:17:33 -07:00 committed by GitHub
commit 152f0a150e
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1 changed files with 7 additions and 3 deletions
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10
staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/time.go
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@ -20,7 +20,7 @@ import (
"encoding/json" "encoding/json"
"time" "time"
"github.com/google/gofuzz" fuzz "github.com/google/gofuzz"
) )
// Time is a wrapper around time.Time which supports correct // Time is a wrapper around time.Time which supports correct
@ -147,8 +147,12 @@ func (t Time) MarshalJSON() ([]byte, error) {
// Encode unset/nil objects as JSON's "null". // Encode unset/nil objects as JSON's "null".
return []byte("null"), nil return []byte("null"), nil
} }
buf := make([]byte, 0, len(time.RFC3339)+2)
return json.Marshal(t.UTC().Format(time.RFC3339)) buf = append(buf, '"')
// time cannot contain non escapable JSON characters
buf = t.UTC().AppendFormat(buf, time.RFC3339)
buf = append(buf, '"')
return buf, nil
} }
// OpenAPISchemaType is used by the kube-openapi generator when constructing // OpenAPISchemaType is used by the kube-openapi generator when constructing