fix(telemetry): conditional filter-dimension legends + 30m span-nulls

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Panel legends only showed the node (service_instance_id); the perf-iac
filter dimensions (xrpl_branch, xrpl_node_role) never appeared, so
baseline-vs-test series were indistinguishable.

Each node-referencing target now injects its curated name via
label_replace(...,"series",...) and uses the Prometheus "__auto" legend,
which shows only labels that vary across the displayed series. A
renameByRegex chain reshapes the auto output into
"Name [node, role]-[branch, work_item]", collapsing empty groups so a
dimension appears only when the filter widens it.

Timeseries panels now connect only null gaps shorter than 30m
(spanNulls=1800000): brief scrape gaps bridge, genuine outages stay broken.

Dashboards (stable panel set across the chain): ledger-data-sync,
network-traffic, overlay-traffic-detail.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Pratik Mankawde

2026-07-14 11:20:41 +01:00

parent 6f9319e319

commit 9eaeafcf52

3 changed files with 2887 additions and 280 deletions

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docker/telemetry/grafana/dashboards/ledger-data-sync.json

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docker/telemetry/grafana/dashboards/network-traffic.json

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docker/telemetry/grafana/dashboards/overlay-traffic-detail.json

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