Werk #18356: OTel: Extend disk usage monitoring to include OTel data storage

Component

Checks & agents

Title

OTel: Extend disk usage monitoring to include OTel data storage

Date

Sep 1, 2025

Level

Trivial Change

Class

New Feature

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p12	Checkmk Cloud (CCE), Checkmk MSP (CME)

The OTel collector stores intermediate data in var/check_mk/otel_collector. If this directory exists, its size can now be monitored via the OMD diskusage service. This makes it easier to detect situations where a large volume of telemetry data causes the directory to grow unexpectedly fast.

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