}
		buffer := make([]byte, test.blocksize, 2*test.blocksize)
		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {
			writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(test.data), writeAlgorithm, erasure.ShardSize())
		}
		n, err := erasure.Encode(context.Background(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)
		closeBitrotWriters(writers)

		// Everything is fine with this test
		{Bucket: "testbucket", Key: "user/user1/filename/${filename}/myfile.txt", XAmzMetaUUID: "14365123651274", SuccessActionStatus: "201", XAmzCredential: "KVGKMDUQ23TCZXTLTHLP/20160727/us-east-1/s3/aws4_request", XAmzDate: "20160727T000000Z", XAmzAlgorithm: "AWS4-HMAC-SHA256", ContentType: "image/jpeg", expectedErr: nil},
		// Expired policy document

		staleWriters := make([]io.Writer, len(staleDisks))
		for i, disk := range staleDisks {
			if disk == nil {
				continue
			}
			os.Remove(pathJoin(disk.String(), "testbucket", "testobject"))
			staleWriters[i] = newBitrotWriter(disk, "", "testbucket", "testobject", erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize())
		}

		// test case setup is complete - now call Heal()

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		err := enc.Encode(&v)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func BenchmarkDecodeFileInfoMsgp(b *testing.B) {

	var err error
	for i := range diskPaths {
		disks[i], diskPaths[i], err = newXLStorageTestSetup(tb)
		if err != nil {
			return nil, err
		}
		err = disks[i].MakeVol(context.Background(), "testbucket")
		if err != nil {
			return nil, err
		}
	}
	return &erasureTestSetup{dataBlocks, parityBlocks, blockSize, diskPaths, disks}, nil

		}
		attempts++
	}
}

var prefixUsageCache = cachevalue.New[map[string]uint64]()

// loadPrefixUsageFromBackend returns prefix usages found in passed buckets
//
//	e.g.:  /testbucket/prefix => 355601334
func loadPrefixUsageFromBackend(ctx context.Context, objAPI ObjectLayer, bucket string) (map[string]uint64, error) {
	z, ok := objAPI.(*erasureServerPools)
	if !ok {
		// Prefix usage is empty

			resp := http.Response{
				StatusCode:    http.StatusOK,
				Body:          io.NopCloser(bytes.NewReader(w.response)),
				ContentLength: int64(len(w.response)),
			}
			res, err := minio.NewSelectResults(&resp, "testbucket")
			if err != nil {
				t.Error(err)
				return
			}
			got, err := io.ReadAll(res)
			if err != nil {
				t.Error(err)
				return
			}
			gotS := strings.TrimSpace(string(got))

		for i, disk := range disks {
			if disk == OfflineDisk {
				continue
			}
			disk.Delete(context.Background(), "testbucket", "object", DeleteOptions{
				Recursive: false,
				Immediate: false,
			})
			writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(size), DefaultBitrotAlgorithm, erasure.ShardSize())
		}

		t.Fatal(err)
	}

	// cleaning up of temporary test directories
	defer objLayer.Shutdown(context.Background())
	defer removeRoots(fsDirs)

	// Create a testbucket
	err = objLayer.MakeBucket(ctx, "testbucket", MakeBucketOptions{})
	if err != nil {
		t.Fatal(err)
	}

	// Unzip sample object data to the existing disks
	err = unzipArchive("testdata/xl-meta-inline-notinline.zip", path)

		//     spark.sparkContext.hadoopConfiguration.set("fs.s3a.secret.key", "minioadmin")
		//
		//     val df = spark.read.json("s3a://testbucket/s3.json")
		//
		//     df.write.parquet("s3a://testbucket/parquet/")
		//   }
		// }
		objInfo, err := z.GetObjectInfo(ctx, bucket, path.Dir(prefix), ObjectOptions{NoLock: true})
		if err == nil {
			if opts.Lifecycle != nil {