yahoo-eng-team team mailing list archive

[Kahou Lei <kahou82@xxxxxxxxx>]

Public bug reported:

>From the Admin -> Hypervisor panel, I notice that the Hypervisort stats
is converted from megabyte to Gibibyte.

However, the calculation seems incorrect.

Here is my observation:

>From nova CLI:

vagrant@precise64:~/devstack$ nova hypervisor-stats
+----------------------+-------+
| Property             | Value |
+----------------------+-------+
| count                | 1     |
| current_workload     | 0     |
| disk_available_least | -49   |
| free_disk_gb         | -43   |
| free_ram_mb          | -1236 |
| local_gb             | 38    |
| local_gb_used        | 81    |
| memory_mb            | 7980  |
| memory_mb_used       | 9216  |
| running_vms          | 3     |
| vcpus                | 4     |
| vcpus_used           | 5     |
+----------------------+-------+

Where as the member_mb is 7980

On the horizon side, it is converted to 7.8 GB (See attached and GB is
Gibibyte).

However, if you go to google and convert the value, it is 7.43 GB
(Gibibyte).

https://www.google.com/search?q=megabyte+to+gigabyte&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla
:en-US:official&client=firefox-a&channel=sb#rls=org.mozilla:en-
US:official&channel=sb&q=7980+megabyte+to+gibibyte

Note: you will see my hypervisor stats is oversubscribed. Please ignore
that as this bug is only against the calculation problem.

** Affects: horizon
     Importance: Undecided
     Assignee: Kahou Lei (kahou82)
         Status: New

** Attachment added: "Screen Shot 2015-06-01 at 6.17.35 PM.png"
   https://bugs.launchpad.net/bugs/1460866/+attachment/4408364/+files/Screen%20Shot%202015-06-01%20at%206.17.35%20PM.png

** Changed in: horizon
     Assignee: (unassigned) => Kahou Lei (kahou82)

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https://bugs.launchpad.net/bugs/1460866

Title:
  Hypervisor stats is incorrect in Hozion

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  From the Admin -> Hypervisor panel, I notice that the Hypervisort
  stats is converted from megabyte to Gibibyte.

  However, the calculation seems incorrect.

  Here is my observation:

  From nova CLI:

  vagrant@precise64:~/devstack$ nova hypervisor-stats
  +----------------------+-------+
  | Property             | Value |
  +----------------------+-------+
  | count                | 1     |
  | current_workload     | 0     |
  | disk_available_least | -49   |
  | free_disk_gb         | -43   |
  | free_ram_mb          | -1236 |
  | local_gb             | 38    |
  | local_gb_used        | 81    |
  | memory_mb            | 7980  |
  | memory_mb_used       | 9216  |
  | running_vms          | 3     |
  | vcpus                | 4     |
  | vcpus_used           | 5     |
  +----------------------+-------+

  Where as the member_mb is 7980

  On the horizon side, it is converted to 7.8 GB (See attached and GB is
  Gibibyte).

  However, if you go to google and convert the value, it is 7.43 GB
  (Gibibyte).

  https://www.google.com/search?q=megabyte+to+gigabyte&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla
  :en-US:official&client=firefox-a&channel=sb#rls=org.mozilla:en-
  US:official&channel=sb&q=7980+megabyte+to+gibibyte

  Note: you will see my hypervisor stats is oversubscribed. Please
  ignore that as this bug is only against the calculation problem.

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