b.updated = true
	b.debugf("returning new cache %s, bucket: %v", best.id, best.bucket)
	return best
}

// cleanup removes redundant and outdated entries.
func (b *bucketMetacache) cleanup() {
	// Entries to remove.
	remove := make(map[string]struct{})

	// Test on a copy
	// cleanup is the only one deleting caches.
	caches, _ := b.cloneCaches()

	for id, cache := range caches {
		if !cache.worthKeeping() {

	dir := t.TempDir()
	entries := []string{}
	for i := 0; i < 10; i++ {
		name := fmt.Sprintf("file-%d", i)
		if err := os.WriteFile(filepath.Join(dir, name), []byte{}, os.ModePerm); err != nil {
			// For cleanup, its required to add these entries into test results.
			testResults = append(testResults, result{dir, entries})
			t.Fatalf("Unable to create file, %s", err)
		}
		entries = append(entries, name)
	}

	errs := g.Wait()

	// Do not need to undo partial successful operation since those will be cleaned up
	// in 24hrs via multipart cleaner, never rename() back to `.minio.sys/tmp` as there
	// is no way to clean them.

	// We can safely allow RenameFile errors up to len(er.getDisks()) - writeQuorum
	// otherwise return failure. Cleanup successful renames.

	EnvAPIStaleUploadsCleanupInterval = "MINIO_API_STALE_UPLOADS_CLEANUP_INTERVAL"
	EnvAPIStaleUploadsExpiry          = "MINIO_API_STALE_UPLOADS_EXPIRY"
	EnvAPIDeleteCleanupInterval       = "MINIO_API_DELETE_CLEANUP_INTERVAL"
	EnvDeleteCleanupInterval          = "MINIO_DELETE_CLEANUP_INTERVAL"
	EnvAPIODirect                     = "MINIO_API_ODIRECT"

		for _, remote := range m.Targets() {
			if err := m.Connection(remote).WaitForConnect(ctx); err != nil {
				return nil, err
			}
		}
	}
	return &res, nil
}

// Cleanup will clean up the test grid.
func (t *TestGrid) Cleanup() {
	t.cancel()
	t.cleanupOnce.Do(func() {
		for _, manager := range t.Managers {
			manager.debugMsg(debugShutdown)
		}
		for _, server := range t.Servers {
			server.Close()

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			mt := monitortest.New(t)
			tt.config.LabelPods = true
			c, err := NewRepairController(tt.client, tt.config)
			assert.NoError(t, err)
			t.Cleanup(func() {
				assert.NoError(t, c.queue.WaitForClose(time.Second))
			})
			stop := test.NewStop(t)
			tt.client.RunAndWait(stop)
			go c.Run(stop)
			kube.WaitForCacheSync("test", stop, c.queue.HasSynced)

		})
	}

	for _, rule := range lc.FilterRules(obj) {
		if obj.IsLatest && rule.Expiration.DeleteAll.val {
			if !rule.Expiration.IsDaysNull() {
				// Specifying the Days tag will automatically perform all versions cleanup
				// once the latest object is old enough to satisfy the age criteria.
				// This is a MinIO only extension.

	}

	wg.Wait()

	// start cleanup stale uploads go-routine.
	go s.cleanupStaleUploads(ctx)

	// start cleanup of deleted objects.
	go s.cleanupDeletedObjects(ctx)

	// Start the disk monitoring and connect routine.
	if !globalIsTesting {
		go s.monitorAndConnectEndpoints(ctx, defaultMonitorConnectEndpointInterval)
	}

	return s, nil
}

//   int i;
//   nts = argc;
//   t = calloc(nts, sizeof(pthread_t));
//   pthread_mutex_init(&mu, NULL);
//   for (i = 0; i < nts; i++) {
//     pthread_create(&t[i], NULL, aFn, NULL);
//   }
// }
//
// void cleanup(void) {
//   int i;
//   pthread_mutex_lock(&mu);
//   all_done = 1;
//   pthread_mutex_unlock(&mu);
//   for (i = 0; i < nts; i++) {
//     pthread_join(t[i], NULL);
//   }
//   pthread_mutex_destroy(&mu);

	}
}

func newStorageRESTHTTPServerClient(t testing.TB) *storageRESTClient {
	// Grid with 2 hosts
	tg, err := grid.SetupTestGrid(2)
	if err != nil {
		t.Fatalf("SetupTestGrid: %v", err)
	}
	t.Cleanup(tg.Cleanup)
	prevHost, prevPort := globalMinioHost, globalMinioPort
	defer func() {
		globalMinioHost, globalMinioPort = prevHost, prevPort
	}()
	// tg[0] = local, tg[1] = remote

	// Remote URL