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coordination #108209

closed

coordination #110833: [saga][epic] Scale up: openQA can handle a schedule of 100k jobs with 1k worker instances

[epic] Reduce load on OSD

Added by okurz about 3 years ago. Updated 5 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
okurz
Category:
Feature requests
Target version:
Ready
Start date:
2023-04-01
Due date:
% Done:

100%

Estimated time:
(Total: 0.00 h)

Description

Motivation

See #107875

Ideas

  • Look into cumulative CPU usage to decide where to optimize first
  • Look up old ticket from kraih about reverse proxy for postgres -> #55262
  • Experiment with using nginx instead of apache
  • Log to remote target, e.g. apache logs, and only evaluate there
  • Use remote postgres database
  • Review other intervals in telegraf

Subtasks 28 (0 open — 28 closed)

openQA Infrastructure (public) - action #128789: [alert] Apache Response Time alert size:MResolvednicksinger2023-04-01

Actions
action #129481: Try to *reduce* number of apache workers to limit concurrent requests causing high CPU usageRejectedokurz

Actions
openQA Infrastructure (public) - action #129484: high response times on osd - Move OSD workers to o3 to prevent OSD overload size:MResolvedokurz2023-05-17

Actions
action #129487: high response times on osd - Limit the number of concurrent job upload handling on webUI side. Can we use a semaphore or lock using the database? size:MRejectedokurz

Actions
action #129490: high response times on osd - Try nginx on o3 with enabled load limiting or load balancing featuresResolvedkraih

Actions
openQA Infrastructure (public) - action #129493: high response times on osd - better nice level for velociraptorResolvedokurz

Actions
action #129619: high response times on osd - simple limit of jobs running concurrently in openQA size:MResolvedtinita2023-05-20

Actions
action #129745: Enable apache response time alert and apache log alert again after we think it's good now size:MResolvedokurz2023-05-23

Actions
action #130477: [O3]http connection to O3 repo is broken sporadically in virtualization tests, likely due to systemd dependencies on apache/nginx size:MResolvedmkittler2023-06-07

Actions
action #130636: high response times on osd - Try nginx on OSD size:SResolvedmkittler

Actions
action #131024: Ensure both nginx+apache are properly covered in packages+testing+documentation size:SResolveddheidler

Actions
openQA Infrastructure (public) - action #133325: osd http response alerts - bump threshold further upRejectedokurz2023-07-25

Actions
openQA Infrastructure (public) - action #133397: HTTP Response alert Salt alerting and autoresolving shortly size:MResolvedmkittler2023-07-26

Actions
action #134114: Ensure to call OpenQA::Setup::read_config in unit testsResolvedtinita

Actions
openQA Infrastructure (public) - action #157081: OSD unresponsive or significantly slow for some minutes 2024-03-12 08:30ZResolvedokurz2024-03-12

Actions
openQA Infrastructure (public) - action #157666: OSD unresponsive and then not starting any more jobs on 2024-03-21Resolvedokurz2024-03-12

Actions
openQA Infrastructure (public) - action #157726: osd-deployment | Failed pipeline for master (worker3[6-9].oqa.prg2.suse.org)Resolvedokurz2024-03-18

Actions
openQA Infrastructure (public) - action #158059: OSD unresponsive or significantly slow for some minutes 2024-03-26 13:34ZResolvedokurz

Actions
openQA Infrastructure (public) - action #159396: Repeated HTTP Response alert for /tests and unresponsiveness due to potential detrimental impact of pg_dump (was: HTTP Response alert for /tests briefly going up to 15.7s) size:MResolveddheidler

Actions
action #159651: high response times on osd - nginx with enabled rate limiting features size:SRejectedokurz2024-04-26

Actions
action #159654: high response times on osd - nginx properly monitored in grafana size:SResolvedjbaier_cz2024-04-26

Actions
openQA Infrastructure (public) - action #160239: [alert] External http responses Salt (https://openqa.suse.de/health) due to "Too many open files" after switch to nginxResolvedokurz2024-05-12

Actions
openQA Infrastructure (public) - action #160367: After switch to nginx on OSD let's investigate how system performance was impactedResolvedokurz2024-05-14

Actions
openQA Infrastructure (public) - action #160478: Try out higher global openQA job limit on OSD again after switch to nginx size:SResolvedokurz2023-08-31

Actions
action #160877: [alert] Scripts CI pipeline failing due to osd yielding 502 size:MResolvedmkittler2024-05-24

Actions
action #162533: [alert] OSD nginx yields 502 responses rather than being more resilient of e.g. openqa-webui restarts size:SResolvedmkittler2024-05-24

Actions
action #162611: Easy local development setup for comparing apache2+nginx as openQA web proxy size:SResolvedlivdywan2024-05-24

Actions
action #162614: Consider other options how to restart openqa-webui to prevent 502's responses by nginxRejectedokurz2024-05-24

Actions

Related issues 3 (1 open — 2 closed)

Related to openQA Project (public) - coordination #135122: [epic] OSD openQA refuses to assign jobs, >3k scheduled not being picked up, no alertResolvedokurz2023-09-07

Actions
Copied from openQA Infrastructure (public) - action #107875: [alert][osd] Apache Response Time alert size:MResolvedtinita2022-03-04

Actions
Copied to openQA Project (public) - coordination #158167: [epic] Increase worker capacityNewokurz2024-03-27

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