Huh, that's interesting. The affected hosts do have a larger-than-average 
(10+) number of interfaces as they're docker servers, which is a 
commonality I hadn't noticed.

Do you guys need/want any other logs to help w/ the issue? Is there any 
kind of workaround that you've found?

On Thursday, February 2, 2017 at 3:12:12 PM UTC-5, Tomer Brisker wrote:
>
> Hi Chris,
>
> Thank you for reporting this.
> This looks like you are hitting http://projects.theforeman.org/issues/7829 
> which 
> has to do with a large number of interfaces on the host, leading to the 
> interface partial being rendered for each interface.
>
> On Thu, Feb 2, 2017 at 9:50 PM, Chris Baldwin <[email protected] 
> <javascript:>> wrote:
>
>> Hi,
>>
>> My setup:
>> * Multiple Foreman servers, all on 1.12.1
>> * memcached shared between them
>> * shared backend DB (psql, 9.4.5)
>> * Foreman is a puppet 3.8 ENC only
>>
>> I have a reasonably large Foreman install. For some reason, some hosts 
>> take forever to load when clicking on 'edit'. The only thing I see in the 
>> logs is some obscene amount of rendering messages, to the tune of 445+ 
>> seconds of 
>>
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (27.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.9ms)
>>
>> over and over. 
>>
>> I have a few questions about this:
>> * I got this info from debug. What else can I look at to get more 
>> information?
>> * Why is it rendering the same four items over and over? 
>> * I actually deleted the host from Foreman and re-ran puppet, that seemed 
>> to fix the issue temporarily. However, I don't understand *why* that made a 
>> difference. Can someone shed some light on this?
>>
>> -Chris (oogs/oogs_/oogs_werk on IRC)
>>
>> This log is for a good host. In a bad host, add about 100 times the 
>> stanzas I listed above.
>>
>> 2017-02-02 11:36:42 [app] [I] Started GET "/hosts/
>> testhost.domain.com/edit" for 127.0.0.101 at 2017-02-02 11:36:42 -0800
>> 2017-02-02 11:36:42 [app] [I] Processing by HostsController#edit as HTML
>> 2017-02-02 11:36:42 [app] [I]   Parameters: {"id"=>"testhost.domain.com"}
>> 2017-02-02 11:36:42 [app] [D] Cache read: _session_id:1234567890asdfghjkl
>> 2017-02-02 11:36:42 [app] [D] Setting current user thread-local variable 
>> to oogs
>> 2017-02-02 11:36:42 [app] [D] Cache read: authorize_login_delegation
>> 2017-02-02 11:36:42 [app] [D] Cache read: authorize_login_delegation
>> 2017-02-02 11:36:42 [app] [D] Cache read: idle_timeout
>> 2017-02-02 11:36:42 [app] [D] Setting current organization thread-local 
>> variable to none
>> 2017-02-02 11:36:42 [app] [D] Setting current location thread-local 
>> variable to none
>> 2017-02-02 11:36:42 [app] [I]   Rendered hosts/_progress.html.erb (0.2ms)
>> 2017-02-02 11:36:42 [app] [D] Setting current organization thread-local 
>> variable to MyOrg
>> 2017-02-02 11:36:42 [app] [D] Setting current location thread-local 
>> variable to MyLoc
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (41.7ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (31.5ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (29.7ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (27.2ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.1ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (17.7ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (17.6ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.1ms)
>> 2017-02-02 11:36:42 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (44.3ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (21.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (20.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (17.4ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (17.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_group.html.erb (18.4ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> config_groups/_config_groups_selection.html.erb (513.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> puppetclasses/_selectedClasses.html.erb (0.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> puppetclasses/_classes_in_groups.html.erb (2.6ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered puppetclasses/_classes.html.erb 
>> (33.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> puppetclasses/_class_selection.html.erb (678.5ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (55.6ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (58.6ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (27.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.3ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (30.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (27.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (26.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (26.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (26.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (26.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (27.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (27.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (29.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (25.4ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (28.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (22.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (1.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (25.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_base_form.html.erb (22.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/_virtual_form.html.erb 
>> (0.9ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> nic/_provider_specific_form.html.erb (0.1ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered nic/manageds/_managed.html.erb 
>> (24.3ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered hosts/_interfaces.html.erb 
>> (381.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> puppetclasses/_class_parameters.html.erb (12.0ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> puppetclasses/_classes_parameters.html.erb (43.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> common_parameters/_inherited_parameters.html.erb (5.7ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> common_parameters/_parameter.html.erb (1.8ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> common_parameters/_parameters.html.erb (3.9ms)
>> 2017-02-02 11:36:43 [app] [D] Setting current location thread-local 
>> variable to none
>> 2017-02-02 11:36:43 [app] [D] Setting current organization thread-local 
>> variable to none
>> 2017-02-02 11:36:43 [app] [I]   Rendered hosts/_form.html.erb (1425.5ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered hosts/edit.html.erb within 
>> layouts/application (1427.6ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered 
>> layouts/_application_content.html.erb (0.3ms)
>> 2017-02-02 11:36:43 [app] [D] Cache read: use_gravatar
>> 2017-02-02 11:36:43 [app] [I]   Rendered home/_user_dropdown.html.erb 
>> (2.9ms)
>> 2017-02-02 11:36:43 [app] [D] Cache read: views/tabs_and_title_records-4 
>> ({:skip_digest=>true})
>> 2017-02-02 11:36:43 [app] [I] Read fragment 
>> views/tabs_and_title_records-4 (1.6ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered home/_topbar.html.erb (9.2ms)
>> 2017-02-02 11:36:43 [app] [I]   Rendered layouts/base.html.erb (10.4ms)
>> 2017-02-02 11:36:43 [app] [I] Completed 200 OK in 1540ms (Views: 1103.7ms 
>> | ActiveRecord: 388.9ms)
>> 2017-02-02 11:36:43 [app] [D] Cache write: 
>> _session_id:1234567890asdfghjkl ({:expires_in=>86400})
>>
>> -- 
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>>
>
>
>
> -- 
> Have a nice day,
> Tomer Brisker
> Red Hat Engineering
>

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