ref(metrics): Standardize on metrics-rs (breaking change) - #567
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Applications embedding Arroyo should be able to control process-wide observability by installing one
metrics-rsrecorder (metrics-exporter-dogstatsdfor instance`) and have both application and Arroyo metrics flow through it.To do so, we standardize Arroyo’s Rust metrics on
metrics-rsin this PR:Downstream applications must remove their Arroyo recorder adapters and initialization. Direct uses of Arroyo’s exported metrics macros must migrate to native metrics-rs macros.
If the application does not install a recorder, metrics are no-ops.
Refs STREAM-1800