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set memory limits for all services #460

Merged
merged 6 commits into from
Oct 18, 2022
Merged

set memory limits for all services #460

merged 6 commits into from
Oct 18, 2022

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puckpuck
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@puckpuck puckpuck commented Oct 17, 2022

Changes

Sets reasonable memory limits for all services, based on an 80% memory target for each service, running the app for 7 days (minimum of 20M).

Screen Shot 2022-10-17 at 2 18 37 PM

Data used by this PR incorporated the memory limits shown in the chart above which is a 7-day run on EKS. Some exceptions for loadgenerator, email, and quote services where I used data from docker stats after running the app on my local machine for several days.

  • loadgenerator - the above didn't incorporate the memory leak fix
  • email - I guess we have another small bug in the Helm chart since the email service wasn't listening on the proper port and I didn't notice :(, instead I used data from docker stats. I think we also have an issue with this service since it continues to eat memory erratically after running for several hours.
  • quote - I'm not sure why the memory just runs away, but if you put a limit on it this service would stay at 99% usage and be happy, so I picked 30M.
  • Appropriate CHANGELOG.md updated for non-trivial changes

@puckpuck puckpuck requested a review from a team October 17, 2022 22:53
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@mviitane mviitane left a comment

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Looks good!

@austinlparker austinlparker merged commit 616dd95 into open-telemetry:main Oct 18, 2022
@puckpuck puckpuck deleted the resource-limits branch October 19, 2022 01:00
@styblope
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feature-flag-service limit of 160M is too strict and causes the container to be Killed in my docker compose deploy. It may be environment specific, but a minimum limit I can get this working is 1600M.

@puckpuck
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feature-flag-service limit of 160M is too strict and causes the container to be Killed in my docker compose deploy. It may be environment specific, but a minimum limit I can get this working is 1600M.

@styblope 1600M is definitely not normal. Which OS is this on?

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styblope commented Oct 20, 2022

I know, it's weird, but I stepped up piece by piece until the container stopped getting killed. It's on x86_64 Fedora 34 VM (vsphere), 8GB RAM, Docker CE 20.10.17. Maybe it's a docker thing? Or a startup ram hike.

jmichalak9 pushed a commit to jmichalak9/opentelemetry-demo that referenced this pull request Mar 22, 2024
* set limits for all services

* memory limit for services

* re-add quoteservice to frontend dependency

* Update docker-compose.yml

Co-authored-by: Austin Parker <[email protected]>
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4 participants