Interesting.

Joan, do you mind sharing how you are doing it?

Thanks

----- Original Message -----
> From: "Joan g" <joang...@gmail.com>
> To: "users" <users@cloudstack.apache.org>
> Sent: Monday, 26 February, 2024 18:06:58
> Subject: Re: Slow Metrics output in GUI

> I am facing the same problem in my 4.17.2 version. We are manually clearing
> the stats table to  make the instance list page load faster :(
> 
> 
> Joan
> 
> On Mon, 26 Feb, 2024, 22:24 Andrei Mikhailovsky, <and...@arhont.com.invalid>
> wrote:
> 
>> Hello everyone,
>>
>> My setup: ACS 4.18.1.0 on Ubuntu 20.04.6. Two management servers and mysql
>> active-active replication.
>>
>>
>> I seem to have a very slow response on viewing vms. It takes about 20
>> seconds for the vm data to show when I click on any vm under Compute >
>> Instances. When I click on various vm tabs (like NICs, Disks, Details, etc)
>> the only tab that takes about 15-20 seconds to refresh is the Metrics tab.
>> When the spinner stops I get the following message: "No data to show for
>> the selected period." Also this information is shown in red colour: The
>> Control Plane Status of this instance is Offline. Some actions on this
>> instance will fail, if so please wait a while and retry. When I click on
>> the 12 or 24 hours tab it takes a bit of time, but it does show the tables
>> and the message in red colour is not shown.
>> On mysql server I see the mysql process is using over 100% cpu (with 0%
>> iowait) while ACS tries to retrieve the Metrics data. Also, the
>> cloudstack-management server cpu usage goes to 200-400%.
>>
>>
>> I've tried all the obvious (restarting management servers, stopping one of
>> the management servers, restarting host servers).
>>
>> Does anyone know what is the issue? why does it take so long to retrieve
>> the vm data and metrics? I don't remember having this problem before 4.18.
>>
>> Many thanks for any pointers.
>>
>> cheers
>>
>> Andrei
>>
>>
>>
>>
>>
>>
>>

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