type fakeNs struct {
	closed *atomic.Bool
	fd     uintptr
	inode  uint64
}

func newFakeNs(fd uintptr) *fakeNs {
	// the fake inode is the fd! magic.
	return &fakeNs{closed: &atomic.Bool{}, fd: fd, inode: uint64(fd)}
}

func newFakeNsInode(fd uintptr, inode uint64) *fakeNs {
	return &fakeNs{closed: &atomic.Bool{}, fd: fd, inode: inode}
}

// Fd returns the file descriptor
func (f *fakeNs) Fd() uintptr {

		}
	}

	// Sort by name, node
	sort.Slice(verifiedWorkloads, func(i, j int) bool {
		in := verifiedWorkloads[i].Namespace + "." + verifiedWorkloads[i].Name
		jn := verifiedWorkloads[j].Namespace + "." + verifiedWorkloads[j].Name
		if in != jn {
			return in < jn
		}
		iNode := verifiedWorkloads[i].Node
		jNode := verifiedWorkloads[j].Node
		return iNode < jNode
	})

		if existing.Netns.Inode() == workload.Netns.Inode() {
			workload.Netns.Close()
			// Replace the workload, but keep the old Netns
			p.currentPodCache[uid] = WorkloadInfo{
				Workload: workload.Workload,
				Netns:    existing.Netns,
			}
			// already in cache
			return existing.Netns
		}
		log.Debug("netns inode mismatch, using the new one")
	}

)

func openNsTestOverride(s string) (NetnsCloser, error) {
	return newFakeNs(inc()), nil
}

func openNsTestOverrideWithInodes(inodes ...uint64) func(s string) (NetnsCloser, error) {
	i := 0
	return func(s string) (NetnsCloser, error) {
		inode := inodes[i]
		i++
		return newFakeNsInode(inc(), inode), nil
	}
}

func TestUpsertPodCache(t *testing.T) {
	counter.Store(0)

	for _, disk := range di {
		if disk == nil || disk.Total == 0 {
			continue
		}
		if !globalIsErasureSD && disk.FreeInodes < diskMinInodes && disk.UsedInodes > 0 {
			// We have an inode count, but not enough inodes.
			return false, nil
		}
		if int64(disk.Free) <= perDisk {
			return false, nil
		}
	}

	// Make sure we can fit "size" on to the disk without getting above the diskFillFraction

     */
    @Nullable
    Dependency getDependency();

    /**
     * Gets the child nodes of this node.
     *
     * @return the child nodes of this node, never {@code null}
     */
    @Nonnull
    List<Node> getChildren();

    /**
     * @return repositories of this node
     */
    @Nonnull
    List<RemoteRepository> getRemoteRepositories();

    /**

          "interval": "",
          "legendFormat": "[{{drive}}]",
          "refId": "B"
        }
      ],
      "title": "Free Inodes",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "",
      "fieldConfig": {

grafana-node.png...

      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "",
  "title": "MinIO Node Replication Dashboard",
  "uid": "gmTJnqnnk3",
  "version": 1,
  "weekStart": ""

| `minio_node_mem_available`     | Available memory on the node.             |
| `minio_node_mem_available_avg` | Available memory on the node (avg).       |
| `minio_node_mem_available_max` | Available memory on the node (max).       |
| `minio_node_mem_buffers`       | Buffers memory on the node.               |
| `minio_node_mem_buffers_avg`   | Buffers memory on the node (avg).         |