[ovirt-users] Re: Dashboard very slow to load: change default page possible?

2020-02-25 Thread Gianluca Cecchi
On Tue, Feb 25, 2020 at 10:31 AM Strahil Nikolov 
wrote:

> On February 25, 2020 9:05:42 AM GMT+02:00, Yedidyah Bar David <
> d...@redhat.com> wrote:
> >On Mon, Feb 24, 2020 at 4:39 PM Gianluca Cecchi
> > wrote:
> >>
> [snip]
> >> On engine I see that during these moments the postmaster process
> >related to ovirt_engine_history database is 100% cpu consuming.
> >> Almost every minor update I run vacuum but I don't know if there is
> >something else involved.
> >> Is there any bug open with in in 4.3.8?
>

It seems this particular problem is only on the RHV env and not in oVirt
one.
Already opened a case for it. Le's see how it goes.
The main difference between the RHV one and the oVirt one is that the RHV
one is hosted engine, while in the oVirt one the manager is a vm of a
vSphere infra.
I don't know if this in general has a greater impact on
ovirt_engine_history database.
Tried also to put in global maintenance and restart the engine vm, but the
postmaster process related to ovirt_engine_history (that curiouslly took
the same pid as before) keeps getting 100% of cpu, not all the time, but
for some extended periods. I will monitor it



> >> Is there any option to set another page as the landing one when I
> >open web admin portal?
> >
> >I am not aware of one, but there is a very simple workaround: Keep a
> >bookmark in your browser to wherever you want, and after login just
> >press it. I think it should work after a few seconds, even if the
> >dashboard still didn't finish loading.
>
> You can directly access the bookmark and it will prompt you for login and
> then directly take you to the page.
> I'm using this to directly go to the VM page on admin portal.
>
>
Thanks for suggestions.
The problems was almost solved clearing all the cookies related to the
webadmin url, esepcially on firefox.
Now it takes about 30-40 seconds to get the dashboard.

Gianluca
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[ovirt-users] Re: Dashboard very slow to load: change default page possible?

2020-02-25 Thread Strahil Nikolov
On February 25, 2020 9:05:42 AM GMT+02:00, Yedidyah Bar David  
wrote:
>On Mon, Feb 24, 2020 at 4:39 PM Gianluca Cecchi
> wrote:
>>
>> Hi,
>> I'm noticing that after upgrading to 4.3.8, sometimes the dashboard
>is very slow and it takes minutes to display and to let me work, even
>if I'm not interested at all to the dashboard for the activities I have
>to do.
>> As a consequence it becomes a bottleneck.
>> On engine I see that during these moments the postmaster process
>related to ovirt_engine_history database is 100% cpu consuming.
>> Almost every minor update I run vacuum but I don't know if there is
>something else involved.
>> Is there any bug open with in in 4.3.8?
>
>I am not aware of one. Please open, and attach relevant logs. If
>possible, also please turn on full query logging on PG and attach its
>logs. Thanks!
>Also adding Shirly.
>
>> Is there any option to set another page as the landing one when I
>open web admin portal?
>
>I am not aware of one, but there is a very simple workaround: Keep a
>bookmark in your browser to wherever you want, and after login just
>press it. I think it should work after a few seconds, even if the
>dashboard still didn't finish loading.

You can directly access the bookmark and it will prompt you for login and then 
directly take you to the page.
I'm using this to directly go to the VM page on admin portal.


>> I have similar problem on a RHV environment where I have done upgrade
>form 4.2.7 to 4.2.8 and then 4.3.8 in the same day (eventually I'm
>going to open a case fir this one).
>> When passing from 4.2.7 to 4.2.8 I chose full vacuum for the engine
>history database:
>>
>>   Perform full vacuum on the oVirt engine history
>>   database ovirt_engine_history@localhost?
>>   This operation may take a while depending on this setup
>health and the
>>   configuration of the db vacuum process.
>>   See
>https://www.postgresql.org/docs/9.0/static/sql-vacuum.html
>>   (Yes, No) [No]: Yes
>>
>> while I chose NO during the upgrade from 4.2.8 to 4.3.8 that I've
>done half an hour later.
>
>Best regards,
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[ovirt-users] Re: Dashboard very slow to load: change default page possible?

2020-02-24 Thread Yedidyah Bar David
On Mon, Feb 24, 2020 at 4:39 PM Gianluca Cecchi
 wrote:
>
> Hi,
> I'm noticing that after upgrading to 4.3.8, sometimes the dashboard is very 
> slow and it takes minutes to display and to let me work, even if I'm not 
> interested at all to the dashboard for the activities I have to do.
> As a consequence it becomes a bottleneck.
> On engine I see that during these moments the postmaster process related to 
> ovirt_engine_history database is 100% cpu consuming.
> Almost every minor update I run vacuum but I don't know if there is something 
> else involved.
> Is there any bug open with in in 4.3.8?

I am not aware of one. Please open, and attach relevant logs. If
possible, also please turn on full query logging on PG and attach its
logs. Thanks!
Also adding Shirly.

> Is there any option to set another page as the landing one when I open web 
> admin portal?

I am not aware of one, but there is a very simple workaround: Keep a
bookmark in your browser to wherever you want, and after login just
press it. I think it should work after a few seconds, even if the
dashboard still didn't finish loading.

>
> I have similar problem on a RHV environment where I have done upgrade form 
> 4.2.7 to 4.2.8 and then 4.3.8 in the same day (eventually I'm going to open a 
> case fir this one).
> When passing from 4.2.7 to 4.2.8 I chose full vacuum for the engine history 
> database:
>
>   Perform full vacuum on the oVirt engine history
>   database ovirt_engine_history@localhost?
>   This operation may take a while depending on this setup health and 
> the
>   configuration of the db vacuum process.
>   See https://www.postgresql.org/docs/9.0/static/sql-vacuum.html
>   (Yes, No) [No]: Yes
>
> while I chose NO during the upgrade from 4.2.8 to 4.3.8 that I've done half 
> an hour later.

Best regards,
-- 
Didi
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