openstack
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monasca-agent
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Merge "Add prerequisite for enabling all untunable metrics"

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Zuul 2018-03-22 13:19:33 +00:00 committed by Gerrit Code Review
parent 7053113ae5 b8bf71425b
commit eb091b0110
1 changed files with 12 additions and 1 deletions
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13
docs/Libvirt.md
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@ -424,7 +424,18 @@ Configuration parameters can be used to control which metrics are reported by li
| | vm.io.write_ops_total_sec | io.write_ops_total_sec |
### Untunable Metrics
Please see table below for metrics in libvirt that are always enabled.
#### Prerequisite
By default, the memory statistics feature is disabled in qemu. You need to add
stats period in order to enable them.
* Enable stats period of memballoon device. Add default
`mem_stats_period_seconds=10` into `/etc/nova/nova.conf` file. Restart
nova-compute service: `sudo systemctl restart openstack-nova-compute`
* Make sure your image includes the suitable balloon driver, particularly
for Windows guests, most modern Linuxes have it build in. For `cirros`
distribution, it's available from version 0.4.0.
#### Untunable Metrics List
Please see table below for metrics in libvirt.
| Admin Metric Name | Tenant Metric Name |
| ----------------- | ------------------ |