Host:           client.String(),
				Err:            fmt.Sprintf("server is running the latest version: %s", Version),
				CurrentVersion: Version,
			})
		}

		// Marshal API response
		jsonBytes, err := json.Marshal(updateStatus)
		if err != nil {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}

		writeSuccessResponseJSON(w, jsonBytes)
		return
	}

	data, _, err := iamOS.loadIAMConfigBytesWithMetadata(ctx, objPath)
	if err != nil {
		return err
	}
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	return json.Unmarshal(data, item)
}

func (iamOS *IAMObjectStore) deleteIAMConfig(ctx context.Context, path string) error {
	return deleteConfig(ctx, iamOS.objAPI, path)
}

		// Append all objects.
		delObjReq.Objects = append(delObjReq.Objects, ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: objName,
			},
		})
	}
	// Marshal delete request.
	deleteReqBytes, err := xml.Marshal(delObjReq)
	c.Assert(err, nil)

	// Delete list of objects.
	request, err = newTestSignedRequest(http.MethodPost, getMultiDeleteObjectURL(s.endPoint, bucketName),

		return
	}

	user := creds.AccessKey
	if creds.ParentUser != "" {
		user = creds.ParentUser
	}

	job := &BatchJobRequest{}
	if err = yaml.Unmarshal(buf, job); err != nil {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Fill with default values
	if job.Replicate != nil {

// both the old and the new formats.
func (d *PolicyDoc) parseJSON(data []byte) error {
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	var doc PolicyDoc
	err := json.Unmarshal(data, &doc)
	if err != nil {
		err2 := json.Unmarshal(data, &doc.Policy)
		if err2 != nil {
			// Just return the first error.
			return err
		}
		d.Policy = doc.Policy
		return nil
	}
	*d = doc
	return nil
}

			}
			for za0001 := range x.versions {
				start := len(allMeta) - len(bts)
				bts, err = tmp.unmarshalV(1, bts)
				if err != nil {
					return msgp.WrapError(err, "Versions", za0001)
				}
				end := len(allMeta) - len(bts)
				// We reference the marshaled data, so we don't have to re-marshal.
				x.versions[za0001] = xlMetaV2ShallowVersion{
					header: tmp.header(),
					meta:   allMeta[start:end],

func (s *peerRESTServer) TraceHandler(ctx context.Context, payload []byte, _ <-chan []byte, out chan<- []byte) *grid.RemoteErr {
	var traceOpts madmin.ServiceTraceOpts
	err := json.Unmarshal(payload, &traceOpts)
	if err != nil {
		return grid.NewRemoteErr(err)
	}
	var wg sync.WaitGroup

	// Trace Publisher uses nonblocking publish and hence does not wait for slow subscribers.

		return backgroundHealInfo{}
	}
	var info backgroundHealInfo
	if err = json.Unmarshal(buf, &info); err != nil {
		bugLogIf(ctx, err, backgroundHealInfoPath)
	}
	return info
}

func saveBackgroundHealInfo(ctx context.Context, objAPI ObjectLayer, info backgroundHealInfo) {
	if globalIsErasureSD {
		return
	}

	b, err := json.Marshal(info)
	if err != nil {
		bugLogIf(ctx, err)
		return
	}

package cmd

import (
	"fmt"
	"time"

	"github.com/tinylib/msgp/msgp"
)

// unmarshalV unmarshals with a specific header version.
func (x *xlMetaV2VersionHeader) unmarshalV(v uint8, bts []byte) (o []byte, err error) {
	switch v {
	case 1:
		return x.unmarshalV1(bts)
	case 2:
		x2 := xlMetaV2VersionHeaderV2{xlMetaV2VersionHeader: x}
		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:

* Switch JSON marshal/unmarshal to json-iterator library.  Performance should be close to previous with no generated code. ([#48287](https://github.com/kubernetes/kubernetes/pull/48287), [@thockin](https://github.com/thockin))