logger.Fatal(errSelfTestFailure, fmt.Sprintf("bitrot: failed to decode %v checksum %s for selftest: %v", algorithm, checksums[algorithm], err))
		}
		var (
			hash = algorithm.New()
			msg  = make([]byte, 0, hash.Size()*hash.BlockSize())
			sum  = make([]byte, 0, hash.Size())
		)
		for i := 0; i < hash.Size()*hash.BlockSize(); i += hash.Size() {
			hash.Write(msg)
			sum = hash.Sum(sum[:0])
			msg = append(msg, sum...)
			hash.Reset()

	defaultSingleRequestTimeout = time.Minute
)

var internalByteBuffer = bpool.Pool[*[]byte]{
	New: func() *[]byte {
		m := make([]byte, 0, defaultBufferSize)
		return &m
	},
}

var internal32KByteBuffer = bpool.Pool[*[]byte]{
	New: func() *[]byte {
		m := make([]byte, 0, biggerBufMin)
		return &m
	},
}

// GetByteBuffer can be replaced with a function that returns a small
// byte buffer.

	m.CollectedAt = time.Now()
	m.ActivePaths = p.getCurrentPaths()
	m.LifeTimeOps = make(map[string]uint64, scannerMetricLast)
	for i := range scannerMetricLast {
		if n := atomic.LoadUint64(&p.operations[i]); n > 0 {
			m.LifeTimeOps[i.String()] = n
		}
	}
	if len(m.LifeTimeOps) == 0 {
		m.LifeTimeOps = nil
	}

	m.LastMinute.Actions = make(map[string]madmin.TimedAction, scannerMetricLastRealtime)

	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgBucketReplicationStat(b *testing.B) {
	v := BucketReplicationStat{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		bts, _ = v.MarshalMsg(bts[0:0])
	}
}

# Deployment { #deployment }

Deploying a **FastAPI** application is relatively easy.

## What Does Deployment Mean { #what-does-deployment-mean }

To **deploy** an application means to perform the necessary steps to make it **available to the users**.

	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgBucketReplicationResyncStatus(b *testing.B) {
	v := BucketReplicationResyncStatus{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		bts, _ = v.MarshalMsg(bts[0:0])
	}
}

	fillReq   chan struct{}
	fillReady chan int64
	readerErr error // underlying reader error, if any
}

func newScanner(r io.Reader) *scanner {
	sr := &scanner{
		end:       maxInt,
		fillReq:   make(chan struct{}),
		fillReady: make(chan int64),
	}

	go func() {
		var rpos int64 // total bytes read into buffer

		defer func() {
			atomic.StoreInt64(&sr.end, rpos)
			close(sr.fillReady)
		}()

		return
	}

	updateStatus := madmin.ServerUpdateStatusV2{
		DryRun:  dryRun,
		Results: make([]madmin.ServerPeerUpdateStatus, 0, len(globalNotificationSys.allPeerClients)),
	}
	peerResults := make(map[string]madmin.ServerPeerUpdateStatus, len(globalNotificationSys.allPeerClients))
	failedClients := make(map[int]bool, len(globalNotificationSys.allPeerClients))

	if lrTime.Sub(currentReleaseTime) <= 0 {

	"github.com/smallnest/ringbuffer"
)

func main() {
	rb := ringbuffer.New(1024)

	// write
	rb.Write([]byte("abcd"))
	fmt.Println(rb.Length())
	fmt.Println(rb.Free())

	// read
	buf := make([]byte, 4)
	rb.Read(buf)
	fmt.Println(string(buf))
}
```

It is possible to use an existing buffer with by replacing `New` with `NewBuffer`.


# Blocking vs Non-blocking

# architectures.
#
# Originally the Go build system used it as a smoke test to quickly
# flag portability issues in builders named "misc-compile" or "all-compile".
# As of CL 464955, the build system uses make.bash -compile-only instead,
# so this script no longer runs in any automated fashion.
#
# Options:
#   -e: stop at first failure

if [ ! -f run.bash ]; then
	echo 'buildall.bash must be run from $GOROOT/src' 1>&2