if sterr == nil && st.Mode().IsRegular() {
				return errFileNotFound
			}
		}
	}

	prefix := opts.FilterPrefix
	var scanDir func(path string) error

	scanDir = func(current string) error {
		if contextCanceled(ctx) {
			return ctx.Err()
		}
		if opts.Limit > 0 && objsReturned >= opts.Limit {
			return nil
		}

lean); public void setFollowSymlinks(boolean); public void setIncludes(String[]); public void setExcludes(String[]); public boolean isEverythingIncluded(); public void scan() throws IllegalStateExceptio; protected void slowScan(); protected void scandir(java.io.File, String, boolean); protected boolean isIncluded(String); protected boolean couldHoldIncluded(String); protected boolean isExcluded(String); protected boolean isSelected(String, java.io.File); public String[] getIncludedFiles(); public...

// maximum possible integer value will be returned
func (s *scanner) remaining() int64 {
	if atomic.LoadInt64(&s.end) == maxInt {
		return maxInt
	}
	return atomic.LoadInt64(&s.end) - s.pos
}

// read byte at current position (without advancing)
func (s *scanner) cur() byte { return s.buf[s.ipos] }

// read next byte
func (s *scanner) next() byte {
	if s.pos >= atomic.LoadInt64(&s.end) {
		return nullByte
	}

// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package scanner

import (
	"fmt"
	"strconv"
	"time"

	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v3/env"
)

// Compression environment variables
const (
	Speed    = "speed"

	scannerExcessFolders                 = uatomic.NewInt64(50000)
)

// initDataScanner will start the scanner in the background.
func initDataScanner(ctx context.Context, objAPI ObjectLayer) {
	go func() {
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		// Run the data scanner in a loop
		for {
			runDataScanner(ctx, objAPI)
			duration := max(time.Duration(r.Float64()*float64(scannerCycle.Load())),

	scannerMetricScanBucketDrive // Single bucket on one drive
	scannerMetricCompactFolder   // Folder compacted.

	// Must be last:
	scannerMetricLast
)

// log scanner action.
// Use for s > scannerMetricStartTrace
func (p *scannerMetrics) log(s scannerMetric, paths ...string) func(custom map[string]string) {
	startTime := time.Now()
	return func(custom map[string]string) {

import java.io.InputStream;
import java.util.Scanner;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

class StringSourceTest {
    @Test
    void testGetInputStream() throws Exception {
        StringSource source = new StringSource("Hello World!");

        try (InputStream is = source.getInputStream();
                Scanner scanner = new Scanner(is)) {

Shireesh Anjal <******@****.***> 1716578965 +0530

	t.Skip("Unstable test")
	data := []byte("abcdefghijklmnopqrstuvwxyz0123456789")

	var i int
	r := bytes.NewReader(data)
	scanner := newScanner(r)
	for scanner.pos < atomic.LoadInt64(&scanner.end) {
		c := scanner.next()
		if scanner.readerErr != nil {
			t.Fatal(scanner.readerErr)
		}
		if c != data[i] {
			t.Fatalf("expected %s, got %s", string(data[i]), string(c))
		}

usage calculation. The scanner adapts to the system speed and completely pauses when the system is under load. It is possible to adjust the speed of the scanner and thereby the latency of updates being reflected. The delays between each operation of the scanner can be adjusted by the `mc admin config set alias/ delay=15.0`. By default the value is `10.0`. This means the scanner will sleep *10x* the time each operation takes.

In most setups this will keep the scanner slow enough to not impact...