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Slackbot

11/21/2022, 11:31 AM

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Pranay

11/21/2022, 11:41 AM

@Vignesh Rajkumar Yes upfront sampling should be possible. Just curious, what are your main use cases for limiting ingested traces

Vignesh Rajkumar

11/21/2022, 11:45 AM

We have a 500GB EBS storage configured for Signoz instance. The space ran out in matter of hours. We'd like to trace 1 of every 10 request the instrumented application gets.

Pranay

11/21/2022, 1:22 PM

I see. @Ankit Nayan Do we have the steps to configure otel collector sampling documented somewhere

Ankit Nayan

11/21/2022, 4:46 PM

@Vignesh Rajkumar you can use https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/processor/probabilisticsamplerprocessor at k8s-infra-chart. After that, all the data received and APM metrics will be sampled by that ratio

Ankit Nayan

11/21/2022, 4:48 PM

you should also consider setting up s3 as cold storage https://signoz.io/docs/userguide/retention-period/#configuring-cold-storage---amazon-s3

Ankit Nayan

11/21/2022, 4:49 PM

you can also disable

TIMESTAMP_SORT_FEATURE

and

DURATION_SORT_FEATURE

if you don't use them. It should help in reducing size to almost half. https://signoz.io/docs/operate/feature-flags/

Vignesh Rajkumar

11/21/2022, 11:55 PM

Thanks for the Support @Pranaay Saini ^ @Ankit Nayan; Will have a look into these.

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SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.