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DescriptionPradeep Kumar Surisetty
2017-02-23 12:16:51 UTC
Description of problem:
1) Run Remote execution on large scale machines ( in my case 5500)
2) Open UI of this job
https://satserver.example.com/job_invocations/<job-id>
3) It takes longer time to open UI
Version-Release number of selected component (if applicable):
How reproducible:
Steps to Reproduce:
1. Open UI of one of the remote execution job invocation which has large scale machine
2.
3.
Actual results:
UI is slow
Expected results:
Additional info:
I haven't seen this behaviour on the box right now. Which makes me think the slowness happens, when something else is happening as well. I've notices however one thing yesterday: when switching tabs in the hosts list page while the job is running, every tab switch causes additional recurring polling to be sent to the server: jumping though several tabs can lead to 10s requests per-second: this might influence both the memory cunsumption in general (the more requests like this, the more passenger processes will be used) as well as response times
and therefore I suspect this could lead to slow response time times of job invocation page. I will provide a patch today to test if this might help with the problem
VERIFIED
on sat6.4.0-21
the page of a job invocation for 5000 hosts (with some of them still active) got loaded in about 3 seconds.
there are no more calls being made to insights for the preview template.
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/RHSA-2018:2927