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From ilya musayev <>
Subject Re: CloudStack UI - very slow or never loads content in large env
Date Wed, 20 Aug 2014 17:40:20 GMT

If i'm not mistaken, was it you who helped with graphics optimization?


On 8/20/14, 3:40 AM, Ian Duffy wrote:
> Ilya,
> I'm interesting in knowing if this is due to the UI or just slow responses
> from the API.
> Can you open the UI within Google Chrome and open the developer tools. If
> you switch over to the networking tab you should be able to see how long
> API calls are taking to respond.
> On 20 August 2014 08:49, ilya musayev <> wrote:
>> I have an issue with when i login as admin user.
>> CloudStack UI does not display the object unless i click around multiple
>> times on different sections. This is evident in environment with greater
>> than 500+ VMs.
>> Example: You login and press on Instances - that may or may not load on
>> the first attempt. You press elsewhere and press Instances again, then the
>> page loads. You pick the VM, press on it - it may or may not show the
>> content unless i click around elsewhere. Sometimes i can do 2 - 3 click
>> drill down on the 4th, it wont load the content completely.
>> I've checked apiserver.log and i do see that api calls go thru. If i use
>> cloudmonkey, i get the response rather quick, so it appears to be UI
>> related only.
>> I've tried different browsers, the issue affects all browsers.
>> Any idea on how to troubleshoot this issue? i've given tomcat plenty of
>> heap, but it did not help.
>> Thanks,
>> ilya

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