[jira] [Updated] (CLOUDSTACK-9699) Metrics: Add a global setting to enable/disable Metrics view

["Rashmi Dixit (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-9699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rashmi Dixit updated CLOUDSTACK-9699:
-------------------------------------
    Attachment: metrics-enabled.PNG
                metrics-disabled.PNG
                enable-metrics-flag.PNG

The enable.metrics global setting.
View when the flag is false.
View when the flag is true.

> Metrics: Add a global setting to enable/disable Metrics view
> ------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9699
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9699
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: UI
>    Affects Versions: 4.7.0, 4.8.0, 4.9.0
>            Reporter: Rashmi Dixit
>            Assignee: Rashmi Dixit
>             Fix For: 4.10.0.0
>
>         Attachments: enable-metrics-flag.PNG, metrics-disabled.PNG, metrics-enabled.PNG
>
>
> The Metrics view for each type of entity basically fires APIs and calculates required values on the client end. For e.g. to display memory usage etc at the zone level, it will fetch all zones. For each zone it will fetch pods->cluster->host->VMs
> For a very large Cloudstack installation this will have a major impact on the performance. 
> Ideally, there should be an API which calculates all this in the backend and the UI should simply show the values. However, for the time, introduce a global setting called enable.metrics which will be set to false. This will cause the metrics button not to be shown on any of the pages.
> If the Admin changes this to true, then the button will be visible and Metrics functionality will work as usual.



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