Yes. Node 10.1.1.101 is ESXi host.
I forget to add the vcenter and a file server information since in addition to those VMs, vcenter is also on that node.
Here is the vcenter chart.
Fig 6
Here is the file server
Fig 7
As you can see, the summation of memory usage of figures 1~4 plus 6~7 is less than what we see for the node in figure 5.
Also the ESXi information is shown below. However, I only see last hour and not last day.
Fig 8