Monitoring virtual machines

Prerequisites

• Virtual machines are created, as described in Creating virtual machines.

To monitor virtual machine’s CPU, storage, and network usage

Select a virtual machine and open the Monitoring tab. The following performance charts are available for virtual machines:

CPU

CPU usage by the VM.

RAM

RAM usage by the VM.

Network interface: <network_name> / MAC: <mac_address>

The VM interface parameters:

• Speed: the port transmit (TX) and receive (RX) speed, in bytes per second.
• Packets: the number of TX and RX packets per second on the port.
• Drop rate: the number of TX and RX packets dropped per second on the port.

To see a list of VM interfaces and hide all other charts, click Only network interfaces above the charts.

Volume: <volume_name> / <volume_id>

The VM disk parameters:

• Storage read: the amount of data being read by the VM, in bytes and operations per second.
• Storage write: the amount of data being written by the VM, in bytes and operations per second.
• Read latency: the disk latency while reading data. Hovering the mouse cursor over a point on the chart, you can also see the average and maximum latency for that moment, as well as the 95 and 99 percentiles.
• Write latency: the disk latency while writing data. Hovering the mouse cursor over a point on the chart, you can also see the average and maximum latency for that moment, as well as the 95 and 99 percentiles.
• Flush latency: the disk latency while flushing data. Hovering the mouse cursor over a point on the chart, you can also see the average and maximum latency for that moment, as well as the 95 and 99 percentiles.

To see a list of VM disks and hide all other charts, click Only volumes above the charts.

The default time interval for the charts is twelve hours. To zoom into a particular time interval, select the interval with the mouse; to reset zoom, double-click any chart.