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Werk #19129: Increase otel-collector resilience towards metric backend outages

Component Site management
Title Increase otel-collector resilience towards metric backend outages
Date Apr 8, 2026
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.6.0b1
Not yet released 		Checkmk Ultimate, Checkmk Ultimate MT
2.5.0b4
Not yet released 		Checkmk Ultimate, Checkmk Ultimate MT

The OpenTelemetry Collector now uses a larger sending queue for the ClickHouse exporter, making it more resilient towards metric backend outages by buffering more data during temporary unavailability.

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