}

// TestRecentlyTriedPodsGoBack tests that pods which are recently tried and are
// unschedulable go behind other pods with the same priority. This behavior
// ensures that an unschedulable pod does not block head of the queue when there
// are frequent events that move pods to the active queue.
func TestRecentlyTriedPodsGoBack(t *testing.T) {
	c := testingclock.NewFakeClock(time.Now())
	logger, ctx := ktesting.NewTestContext(t)

		recV2 := httptest.NewRecorder()
		// construct HTTP request for Head Object endpoint.
		reqV2, err := newTestSignedRequestV2(http.MethodHead, getHeadObjectURL("", testCase.bucketName, testCase.objectName),
			0, nil, testCase.accessKey, testCase.secretKey, nil)
		if err != nil {
			t.Fatalf("Test %d: %s: Failed to create HTTP request for Head Object: <ERROR> %v", i+1, instanceType, err)
		}

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	api.getObjectAttributesHandler(ctx, objectAPI, bucket, object, w, r)
}

// HeadObjectHandler - HEAD Object
// -----------
// The HEAD operation retrieves metadata from an object without returning the object itself.
func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "HeadObject")

	// Perform the sort.
	if symn != sym.SPCLNTAB {
		sort.Slice(sl, func(i, j int) bool {
			si, sj := sl[i].sym, sl[j].sym
			isz, jsz := sl[i].sz, sl[j].sz
			switch {
			case si == head, sj == tail:
				return true
			case sj == head, si == tail:
				return false
			// put zerobase right after all the zero-sized symbols,
			// so zero-sized symbols have the same address as zerobase.
			case si == zerobase:

    exit 1
  fi
  if ! SERVER_BINARY_TAR_HASH=$(curl -Ss --fail "${SERVER_BINARY_TAR_URL}.sha512"); then
    echo "Failure trying to curl release .sha512"
  fi

  if ! curl -Ss --head "${SERVER_BINARY_TAR_URL}" >&/dev/null; then
    echo "Can't find release at ${SERVER_BINARY_TAR_URL}" >&2
    exit 1
  fi
}

# Reads kube-env metadata from master
#
# Assumed vars:
#   KUBE_MASTER

	return MetricDescription{
		Namespace: ns,
		Subsystem: replicationSubsystem,
		Name:      proxiedHeadRequestsTotal,
		Help:      "Number of HEAD requests proxied to replication target",
		Type:      counterMetric,
	}
}

func getClusterReplProxiedPutTaggingOperationsMD(ns MetricNamespace) MetricDescription {
	return MetricDescription{

  let summary = "Expands host computation before and after TPU computation.";

  let description = [{
    This pass expands outside compilation attributes to Identity/Cast ops
    at the head of TPU computation if it's only used by outside compiled ops.
  }];

  let constructor = "TFTPU::CreateTPUHostComputationExpansionPass()";
}

		case isErrReadQuorum(serr), isErrWriteQuorum(serr):
			rAction = replicateAll
		default:
			rinfo.Err = cerr
			replLogIf(ctx, fmt.Errorf("unable to replicate %s/%s (%s). Target (%s) returned %s error on HEAD",
				bucket, object, objInfo.VersionID, tgt.EndpointURL(), cerr))
			sendEvent(eventArgs{
				EventName:  event.ObjectReplicationNotTracked,
				BucketName: bucket,
				Object:     objInfo,

  if (!main && !input_shapes.empty()) {
    return module->emitError(
        "Input shapes provided but no `main` function found.");
  }

  // Add main function to head of queue, refine input shapes if provided
  if (main) {
    if (!input_shapes.empty()) {
      FailureOr<bool> failure_or_converged =
          InferShapeForFunction(main, input_shapes, producer,

    # 64 character cut.
    out+="$(
     (
       uuidgen --random;
       uuidgen --random;
       uuidgen --random;
     ) | sha256sum \
       | head -c 64
    )";
  done
  # Finally, convert the ASCII hex to base64 to increase the density.
  echo -n "${out}" | xxd -r -p | base64 -w 0
}

# Helper for configuring iptables rules for metadata server.
#