Size:           329289, Mode: 0x0, WrittenByVersion: 0x63c77756,
		Metadata: map[string]string{
			"content-type": "application/octet-stream", "etag": "f205307ef9f50594c4b86d9c246bee86", "x-minio-internal-erasure-upgraded": "5->6", "x-minio-internal-inline-data": "true",
		},
		Parts: []ObjectPartInfo{
			{
				ETag:       "",
				Number:     1,
				Size:       329289,
				ActualSize: 329289,

	"github.com/minio/pkg/v3/sync/errgroup"
)

// Object was stored with additional erasure codes due to degraded system at upload time
const minIOErasureUpgraded = "x-minio-internal-erasure-upgraded"

const erasureAlgorithm = "rs-vandermonde"

// GetChecksumInfo - get checksum of a part.
func (e ErasureInfo) GetChecksumInfo(partNumber int) (ckSum ChecksumInfo) {
	for _, sum := range e.Checksums {

			return ioutilx.ReadFile(fn)
		}
	case madmin.ProfilerCPUIO:
		// at 10k or more goroutines fgprof is likely to become
		// unable to maintain its sampling rate and to significantly
		// degrade the performance of your application
		// https://github.com/felixge/fgprof#fgprof
		if n := runtime.NumGoroutine(); n > 10000 && !globalIsCICD {
			return nil, fmt.Errorf("unable to perform CPU IO profile with %d goroutines", n)

	_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
	if err != nil {
		t.Fatal(err)
	}
	// for a 16 disk setup, EC is 4, but will be upgraded up to 8.
	// Remove 4 disks.
	erasureDisks := xl.getDisks()
	z.serverPools[0].erasureDisksMu.Lock()
	xl.getDisks = func() []StorageAPI {
		for i := range erasureDisks[:4] {