Add metrics for users per community and user activity recency#8650
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Adds two new Prometheus metrics: - couchers_users_per_community: number of users per community, labeled by community name, for communities at the region level and broader - couchers_active_users_by_recency: number of users bucketed by how recently they were last active (<1d, 1d-1w, 1w-1m, 1m-6m, 6m-12m, 12m-24m, 24m+) Co-authored-by: Aapeli <aapeliv@users.noreply.github.com>
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The test_metrics.py autouse fixture only depended on testconfig, not the db fixture, so users accumulated across runs and made the active users recency gauge test non-deterministic. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
The metrics tests didn't request the db fixture, so tables were never truncated and users accumulated across runs, making the active users recency gauge test non-deterministic. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
…ity metric Read the per-community user count from the cluster_subscription_counts materialized view instead of joining ClusterSubscription/User live on every scrape. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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📝 Release NotesThis PR does not need to be included in release notes. Reason: This PR only adds internal Prometheus monitoring metrics for communities and user activity recency. It does not introduce any user-facing feature, noticeable UX change, important bug fix, safety feature, or major infrastructure improvement that end users would notice. 🤖 Bot Debug InformationModel: |
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Adds two new Prometheus metrics:
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