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Reduce duplicate logs with the OpenTelemetry Collector without hiding incident errors

A canary rollout with OTTL, Loki/OpenSearch, and Collector self-metrics to cut volume without deleting operational evidence.

Learn how to roll out OpenTelemetry log deduplication with explicit guardrails, backend search parity, and rollback before changing the whole logging pipeline.

Created: August 21, 2026

Published: August 21, 2026

Estimated time45 min

LevelAdvanced

Before you startA staging or canary OpenTelemetry Collector able to load contrib or experimental processors.

PlatformsLinux

WhatsApp X LinkedIn

Linux

Validate the local config, deploy a canary Collector, compare Loki/OpenSearch, and promote only if critical searches still work.

otelcolkubectlcurloptional logcliPrometheus access

Validate the Collector config

otelcol validate --config ./collector-logdedup.yaml

Check Collector self-metrics

curl -fsS http://localhost:8888/metrics | egrep 'otelcol_processor|otelcol_exporter'

Validate a critical Loki search

logcli query '{service_name="checkout-api"} |= "payment_failed"' --since=15m --limit=20 --stats

Also available inReducir logs duplicados con OpenTelemetry Collector sin ocultar errores de incidente

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