Icinga

v2.16.1 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 13d Monitoring & Metrics

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

cluster distributed-monitoring elasticsearch graphite graylog icinga

+8 more

influxdb prometheus monitoring notification opentsdb performance rest tls

ReleasePort's take

Light signal

editorial:auto 13d

v2.16.1 reverts problematic PerfdataWriterConnection changes, restoring compatibility with Elasticsearch, Graphite, Gelf, InfluxDB, and OpenTSDB writers. Documentation update covers OTLP metrics limitations on Debian 11, Ubuntu 22.04, and Amazon Linux 2.

Why it matters: If you deployed v2.16.0, patch to v2.16.1 to restore Perfdata writer compatibility with ElasticsearchWriter, GraphiteWriter, and others. Test OTLP metrics deployments on Debian 11, Ubuntu 22.04, and Amazon Linux 2.

Summary

AI summary

Reverts changes to several Perfdata writers, fixing related issues.

Changes in this release

Type	Severity	Summary	CVE
Refactor	Medium	Revert adding PerfdataWriterConnection for specified writers. Revert adding PerfdataWriterConnection for specified writers. Source: llm_adapter@2026-05-21 Confidence: high	—
Other	Medium	Document OTLP metrics package limitation on Debian 11, Ubuntu 22.04, and Amazon Linux 2. Document OTLP metrics package limitation on Debian 11, Ubuntu 22.04, and Amazon Linux 2. Source: llm_adapter@2026-05-21 Confidence: low	—

Full changelog

This is a small release mostly to fix the issues some users were encountering in connection with perfdata writers, mostly Graphite and InfluxDB. The only significant change is that the changes from #10668 and #10799 are being reverted. This affects ElasticsearchWriter, GraphiteWriter, GelfWriter, InfluxdbWriter, Influxdb2Writer and OpenTsdbWriter.

Changes

Revert adding PerfdataWriterConnection: #10851
Docs: Note OTLP metrics package limitation on Debian 11 and Ubuntu 22.04 and Amazon Linux 2: #10837

Breaking Changes

Removed `PerfdataWriterConnection` configuration introduced in #10668 and #10799, affecting ElasticsearchWriter, GraphiteWriter, GelfWriter, InfluxdbWriter, Influxdb2Writer, OpenTsdbWriter

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