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Bug #18851

closed

viewing REX job in web UI is very slow as non-admin user

Added by Ivan Necas over 7 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
High
Assignee:
Ivan Necas
Category:
-
Target version:
foreman_remote_execution 1.3.0
Difficulty:
Triaged:
Bugzilla link:
1422690
Pull request:
https://github.com/theforeman/foreman_remote_execution/pull/236
Fixed in Releases:
Found in Releases:
Red Hat JIRA:

Description

Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1422690

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

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