buffer = make([]byte, size, 2*size+int64(fi.Erasure.ParityBlocks+fi.Erasure.DataBlocks-1))
	}

	if len(buffer) > int(fi.Erasure.BlockSize) {
		buffer = buffer[:fi.Erasure.BlockSize]
	}

	writers := make([]io.Writer, len(onlineDisks))
	inlineBuffers := make([]*bytes.Buffer, len(onlineDisks))
	for i, disk := range onlineDisks {
		if disk == nil {

// rule in the format tag1=value1&tag2=value2
func (r Rule) Tags() string {
	if !r.Filter.Tag.IsEmpty() {
		return r.Filter.Tag.String()
	}
	if len(r.Filter.And.Tags) != 0 {
		var buf bytes.Buffer
		for _, t := range r.Filter.And.Tags {
			if buf.Len() > 0 {
				buf.WriteString("&")
			}
			buf.WriteString(t.String())
		}
		return buf.String()
	}
	return ""
}

					if _, err := header.UnmarshalMsg(hdr, headerVer); err != nil {
						return err
					}
					b, err := header.MarshalJSON()
					if err != nil {
						return err
					}
					var buf bytes.Buffer
					if _, err := msgp.UnmarshalAsJSON(&buf, meta); err != nil {
						return err
					}
					versions[idx] = version{
						Idx:      idx,
						Header:   b,
						Metadata: buf.Bytes(),
					}

			"arn": {
				PendingSize:    1,
				ReplicatedSize: 2,
				FailedSize:     3,
				FailedCount:    5,
				PendingCount:   6,
			},
		},
	}
	want.replace("abucket/dir2", "", *e)
	var buf bytes.Buffer
	err = want.serializeTo(&buf)
	if err != nil {
		t.Fatal(err)
	}
	t.Log("serialized size:", buf.Len(), "bytes")
	var got dataUsageCache
	err = got.deserialize(&buf)
	if err != nil {
		t.Fatal(err)

		return res, err
	}
	defer func() {
		if err == nil && !skipAccessChecks(dstVolume) {
			p.storage.setWriteAttribute(p.totalWrites.Add(1))
		}
		done(&err)
	}()

	// Copy inline data to a new buffer to function with deadlines.
	if len(fi.Data) > 0 {
		fi.Data = append(grid.GetByteBufferCap(len(fi.Data))[:0], fi.Data...)
	}

			partEncryptionKey := objectEncryptionKey.DerivePartKey(uint32(partID))
			in := io.Reader(hashReader)
			if size > encryptBufferThreshold {
				// The encryption reads in blocks of 64KB.
				// We add a buffer on bigger files to reduce the number of syscalls upstream.
				in = bufio.NewReaderSize(hashReader, encryptBufferSize)
			}

    }
}
`,
	}
	exportContent := map[string][]byte{}
	for k, v := range exportContentStrings {
		exportContent[k] = []byte(v)
	}

	var importContent []byte
	{
		var b bytes.Buffer
		zipWriter := zip.NewWriter(&b)
		rawDataFn := func(r io.Reader, filename string, sz int) error {
			header, zerr := zip.FileInfoHeader(dummyFileInfo{
				name:    filename,
				size:    int64(sz),

}

const (
	compressionAlgorithmV1 = "golang/snappy/LZ77"
	compressionAlgorithmV2 = "klauspost/compress/s2"

	// When an upload exceeds encryptBufferThreshold ...
	encryptBufferThreshold = 1 << 20
	// add an input buffer of this size.
	encryptBufferSize = 1 << 20

	// minCompressibleSize is the minimum size at which we enable compression.
	minCompressibleSize = 4096
)

package cmd

import (
	"context"
)

const (
	memTotal     = "total"
	memUsed      = "used"
	memFree      = "free"
	memBuffers   = "buffers"
	memCache     = "cache"
	memUsedPerc  = "used_perc"
	memShared    = "shared"
	memAvailable = "available"
)

var (
	memTotalMD     = NewGaugeMD(memTotal, "Total memory on the node")

	setEventStreamHeaders(w)

	// Listen Publisher and peer-listen-client uses nonblocking send and hence does not wait for slow receivers.
	// Use buffered channel to take care of burst sends or slow w.Write()
	mergeCh := make(chan []byte, globalAPIConfig.getRequestsPoolCapacity()*len(globalEndpoints.Hostnames()))