} else if (size.divide(ONE_MB_BI).compareTo(BigInteger.ZERO) > 0) {
            displaySize = new BigDecimal(size.divide(ONE_KB_BI)).divide(BigDecimal.valueOf(1000)) + "MB";
        } else if (size.divide(ONE_KB_BI).compareTo(BigInteger.ZERO) > 0) {
            displaySize = new BigDecimal(size).divide(BigDecimal.valueOf(1000)) + "KB";
        } else {
            displaySize = size + "bytes";
        }
        return displaySize;
    }

	{"BETWEEN_1024_B_AND_64_KB", humanize.KiByte, 64*humanize.KiByte - 1},         // not exported, for support use only
	{"BETWEEN_64_KB_AND_256_KB", 64 * humanize.KiByte, 256*humanize.KiByte - 1},   // not exported, for support use only
	{"BETWEEN_256_KB_AND_512_KB", 256 * humanize.KiByte, 512*humanize.KiByte - 1}, // not exported, for support use only

	driveOnlineCount  = "online_count"
	driveCount        = "count"

	// iostat related
	driveReadsPerSec    = "reads_per_sec"
	driveReadsKBPerSec  = "reads_kb_per_sec"
	driveReadsAwait     = "reads_await"
	driveWritesPerSec   = "writes_per_sec"
	driveWritesKBPerSec = "writes_kb_per_sec"
	driveWritesAwait    = "writes_await"
	drivePercUtil       = "perc_util"
)

var (
	driveUsedBytesMD = NewGaugeMD(driveUsedBytes,

labels.facet_timestamp_2year=Letzte 2 Jahre
labels.facet_timestamp_3year=Letzte 3 Jahre
labels.facet_contentLength_10kto50k=10 KB - 50 KB
labels.facet_contentLength_50kto100k=50 KB - 100 KB
labels.facet_contentLength_100kto250k=100 KB - 250 KB
labels.facet_contentLength_250kto500k=250 KB - 500 KB
labels.facet_contentLength_1mto5m=1 MB - 5 MB
labels.facet_contentLength_5m=5 MB -  
labels.facet_filetype_archive=Archiv

	// drive stats
	totalInodes    MetricName = "total_inodes"
	readsPerSec    MetricName = "reads_per_sec"
	writesPerSec   MetricName = "writes_per_sec"
	readsKBPerSec  MetricName = "reads_kb_per_sec"
	writesKBPerSec MetricName = "writes_kb_per_sec"
	readsAwait     MetricName = "reads_await"
	writesAwait    MetricName = "writes_await"
	percUtil       MetricName = "perc_util"
	usedInodes     MetricName = "used_inodes"

        assertEquals("999bytes", MemoryUtil.byteCountToDisplaySize(999L));
        assertEquals("1000bytes", MemoryUtil.byteCountToDisplaySize(1000L));
        assertEquals("1.024KB", MemoryUtil.byteCountToDisplaySize(FileUtils.ONE_KB));
        assertEquals("999.999KB", MemoryUtil.byteCountToDisplaySize(999_999L));
        assertEquals("1000KB", MemoryUtil.byteCountToDisplaySize(1000_000L));

		}
		if stringsHasPrefixFold(key, ReservedMetadataPrefix) {
			return true
		}
	}
	return false
}

// isHTTPHeaderSizeTooLarge returns true if the provided
// header is larger than 8 KB or the user-defined metadata
// is larger than 2 KB.
func isHTTPHeaderSizeTooLarge(header http.Header) bool {
	var size, usersize int
	for key := range header {
		length := len(key) + len(header.Get(key))
		size += length

| `minio_system_drive_reads_per_sec`             | `gauge`   | Reads per second on a drive                                        | `drive,set_index,drive_index,pool_index,server`     |
| `minio_system_drive_reads_kb_per_sec`          | `gauge`   | Kilobytes read per second on a drive                               | `drive,set_index,drive_index,pool_index,server`     |

| `minio_node_drive_reads_kb_per_sec`  | Kilobytes read per second on a drive.                    |
| `minio_node_drive_reads_await`       | Average time for read requests to be served on a drive.  |
| `minio_node_drive_writes_per_sec`    | Writes per second on a drive.                            |
| `minio_node_drive_writes_kb_per_sec` | Kilobytes written per second on a drive.                 |

func errExpressionTooLong(err error) *s3Error {
	return &s3Error{
		code:       "ExpressionTooLong",
		message:    "The SQL expression is too long: The maximum byte-length for the SQL expression is 256 KB.",
		statusCode: 400,
		cause:      err,
	}
}

func errColumnTooLong(err error) *s3Error {
	return &s3Error{
		code:       "ColumnTooLong",