Help about setting the GOGC environment variable on promstack helm chart

David B G.

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Nov 21, 2023, 5:53:51 PM11/21/23

to Prometheus Users

Greetings !,

Hi everyone hope you are doing great, Today I am trying to improve my prometheus performance by playing with the GOGC environment variable , Right now I am using the promstack helm values.yaml definition and I was trying the set the value here:

prometheusSpec:
additionalArgs:
- name: "set GOGC"
value: "60"

but it seems that the value is not supported, Where I can put that environment variable on prometheus configuration ?

Thank you !

David B G.

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Nov 21, 2023, 5:55:36 PM11/21/23

to Prometheus Users

The error I got was:

Error parsing command line arguments: unknown long flag '--set GOGC'
prometheus: error: unknown long flag '--set GOGC'

on the prometheus log pod

Bjoern Rabenstein

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Dec 13, 2023, 7:20:37 AM12/13/23

to David B G., Prometheus Users

I'm not a Helm expert, but it looks like you are adding a command line
argument. GOGC has to be set as an environment variable. So you have
to find out how to do that with Helm.

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Björn Rabenstein
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