From bb9edbe018771b8d501a84bc140b159a05a78670 Mon Sep 17 00:00:00 2001 From: Markus Opolka Date: Fri, 10 Apr 2026 08:33:42 +0200 Subject: [PATCH] Add note about Graphite storage-schema to docs --- doc/02-Installation.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/02-Installation.md b/doc/02-Installation.md index 7f3856b..6198202 100644 --- a/doc/02-Installation.md +++ b/doc/02-Installation.md @@ -39,3 +39,12 @@ To install this module, follow the setup instructions for the **extras** reposit `max_data_points` is used for downsampling data. It uses the `maxDataPoints` option at the Graphite API. If for any output series the number of datapoints in a selected range exceeds the maxDataPoints value then the datapoints over the whole period are consolidated. + +## Graphite Storage-Schema + +The interaction between Graphite's storage schemas and Icinga's check intervals may result in Graphite being unable to aggregate metrics properly. This may result in empty charts. + +Further information: + +- https://icinga.com/docs/icinga-2/latest/doc/14-features/#graphite-carbon-cache-writer +- https://graphite.readthedocs.io/en/stable/config-carbon.html#storage-schemas-conf