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Description of problem:
If you have a non-admin user with rights to view REX jobs, it can be very slow to view the task output. For example:
Rendered /opt/.../app/views/job_invocations/_tab_overview.html.erb (23.2ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (3065.9ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.5ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (3587.1ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (2876.5ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.5ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (2717.4ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (3664.2ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.4ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (2913.4ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (2749.4ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.5ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (3694.2ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (2884.7ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.5ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (2732.3ms)
Rendered /opt/.../app/views/job_invocations/_host_name_td.html.erb (3653.0ms)
Rendered /opt/.../app/views/job_invocations/_host_status_td.html.erb (0.5ms)
Rendered /opt/.../app/views/job_invocations/_host_actions_td.html.erb (2917.3ms)
Rendered /opt/.../app/views/job_invocations/_tab_hosts.html.erb (37465.4ms)
Rendered /opt/.../app/views/job_invocations/show.html.erb within layouts/application (37502.5ms)
Rendered layouts/_application_content.html.erb (0.2ms)
Rendered home/_submenu.html.erb (1.4ms)
Rendered home/_user_dropdown.html.erb (2.5ms)
Read fragment views/tabs_and_title_records-21 (0.1ms)
Rendered home/_topbar.html.erb (6.4ms)
Rendered layouts/base.html.erb (7.2ms)
Completed 200 OK in 37539ms (Views: 37366.9ms | ActiveRecord: 148.5ms)
If you are logged in as admin, this takes less than one second:
Completed 200 OK in 67ms (Views: 47.9ms | ActiveRecord: 6.9ms)
Version-Release number of selected component (if applicable): 6.2.7
Steps to Reproduce:
1. register a large number of hosts to the satellite (perhaps 40K or more)
2. view rex job. The job doesn't have to be on a large number of hosts, the example above was for 7 hosts.
Actual results: page seems to take 3-5 seconds per host
Expected results: page should be about the same speed as for admin user
Additional info: attached patch seems to help significatly
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2017:1553