Use fqdn instead of instance on Redis dashboard panels (!5517) · Merge requests · GitLab.com / Runbooks

Matt Smiley requested to merge redis_dashboard_avoid_joins_on_prom_exporter_instance_id into master Mar 10, 2023

The "Redis CPU per Node" dashboard panels try to join metrics from two separate prometheus exporters using the instance label (which is unique to each prometheus exporter). Consequently those panels are blank.

This MR fixes that by changing the join and aggregation to use the fqdn label instead of instance.

Issue gitlab-com/gl-infra/scalability#2240 (closed) documents the problem in more detail.

Snapshot of the updated dashboard's fixed panel:

https://dashboards.gitlab.net/dashboard/snapshot/z1Ee7th5DdiGhm0EiA0Almj3cnbVtI0V?orgId=1&viewPanel=81

Edited Mar 10, 2023 by Matt Smiley

Use fqdn instead of instance on Redis dashboard panels

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