./mc version enable sitea/bucket
./mc mb siteb/bucket
./mc version enable siteb/bucket

# Set bucket replication
./mc replicate add sitea/bucket --remote-bucket siteb/bucket

# Run the test to make sure proxying of DEL marker doesn't happen
loop_count=0
while true; do
	if [ $loop_count -eq 1000 ]; then
		break
	fi
	echo "Hello World" | ./mc pipe sitea/bucket/obj$loop_count
	./mc rm sitea/bucket/obj$loop_count

		// not be required but makes reproduction much easier.
		nsLk.lockMapMutex.Lock()

		// lk3 blocks.
		lk3ch := make(chan bool)
		go func() {
			lk3ch <- nsLk.lock(ctx, "volume", "path", "source", "opsID", false, 0)
		}()

		// lk4, blocks.
		lk4ch := make(chan bool)
		go func() {
			lk4ch <- nsLk.lock(ctx, "volume", "path", "source", "opsID", false, 0)

			BitrotChecksumAlgo: HighwayHash,
			ErasureDist:        make([]uint8, len(fi.Erasure.Distribution)),
			PartNumbers:        make([]int, len(fi.Parts)),
			PartETags:          nil,
			PartSizes:          make([]int64, len(fi.Parts)),
			PartActualSizes:    make([]int64, len(fi.Parts)),
			MetaSys:            make(map[string][]byte),
			MetaUser:           make(map[string]string, len(fi.Metadata)),
		}

If there's a security flaw in your code, it will still exist.

	defer cancelCause(nil)

	results := make(chan itemOrErr[ObjectInfo], workerSize)
	go func() {
		prefixes := r.Prefix.F()
		if len(prefixes) == 0 {
			prefixes = []string{""}
		}
		for _, prefix := range prefixes {
			prefixResultCh := make(chan itemOrErr[ObjectInfo], workerSize)
			err := api.Walk(ctx, r.Bucket, prefix, prefixResultCh, WalkOptions{
				Marker:       lastObject,

		workers:         make([]chan ReplicationWorkerOperation, 0, workers),
		lrgworkers:      make([]chan ReplicationWorkerOperation, 0, maxLWorkers),
		mrfReplicaCh:    make(chan ReplicationWorkerOperation, 100000),
		mrfWorkerKillCh: make(chan struct{}, failedWorkers),
		resyncer:        newresyncer(),
		mrfSaveCh:       make(chan MRFReplicateEntry, 100000),
		mrfStopCh:       make(chan struct{}, 1),
		ctx:             ctx,

	}

	start := objectPartIndexNums(partNums, partNumberMarker)
	if partNumberMarker > 0 && start == -1 {
		// Marker not present among what is present on the
		// server, we return an empty list.
		return result, nil
	}

	if partNumberMarker > 0 && start != -1 {
		if start+1 >= len(partNums) {
			// Marker indicates that we are the end
			// of the list, so we simply return empty
			return result, nil
		}

## Run it { #run-it }

You can run your tests as usual via:

<div class="termy">

```console
$ pytest

---> 100%
```

</div>

## In Detail { #in-detail }

The marker `@pytest.mark.anyio` tells pytest that this test function should be called asynchronously:

{* ../../docs_src/async_tests/app_a_py39/test_main.py hl[7] *}

/// tip

	errPriorityMissing                        = Errorf("Priority must be specified")
	errInvalidDeleteMarkerReplicationStatus   = Errorf("Delete marker replication status is invalid")
	errDestinationSourceIdentical             = Errorf("Destination bucket cannot be the same as the source bucket.")

func newBatchJobPool(ctx context.Context, o ObjectLayer, workers int) *BatchJobPool {
	jpool := &BatchJobPool{
		ctx:          ctx,
		objLayer:     o,
		jobCh:        make(chan *BatchJobRequest, 10000),
		workerKillCh: make(chan struct{}, workers),
		jobCancelers: make(map[string]context.CancelFunc),
	}
	jpool.ResizeWorkers(workers)

	randomWait := func() time.Duration {