Darling monitors PostgreSQL and Amazon Aurora PostgreSQL - #2213

Merged

erikdarlingdata merged 48 commits into

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feat/postgres-target-connection-seam

Aug 13, 2026

Commits on Aug 11, 2026

docs: rewrite how-collection-works for the shared-collector architecture

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claude
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57ce2ab
collectors: add a target-engine discriminator to the dispatch gate

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6c62a94
collectors: drop wrong-engine collectors before dispatch, not inside the runner

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03bb003
darling: add an engine-execution seam so a collector can run against Postgres

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be4b313
darling: connect and probe a PostgreSQL target

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darling: pg_wait_stats, the first PostgreSQL collector

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48a967d
darling: get_pg_wait_stats, the read surface for pg_wait_stats

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d5048e5
darling: pg_statement_stats, per-query-shape execution statistics

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17d55d7
darling: get_pg_top_queries, the read surface for pg_statement_stats

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826d209
darling: pg_wraparound_stats, XID and MultiXact freeze headroom

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270d2c8
darling: get_pg_wraparound_risk, the read surface for freeze headroom

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6529c21
darling: pg_xmin_horizon, attributed by cause

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darling: get_pg_xmin_horizon, the read surface for horizon attribution

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a084ee1
darling: pg_replication_slots, the last Tier 0 outage predictor

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487a006
darling: get_pg_replication_slots, and document the PostgreSQL target
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darling: per-database fan-out for Postgres, and pg_autovacuum_stats
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darling: window the block and WAL figures in get_pg_top_queries
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darling: fix timestamptz handling, and gate autovacuum off standbys
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darling: pg_io_stats and get_pg_io_stats — I/O by who, what and why
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aa736f7
darling: classify PostgreSQL collector faults instead of logging ERROR forever
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docs: scope PostgreSQL alerting, and name the decision it needs
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darling: alert on the PostgreSQL outage predictors (Option B)
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docs: design note for the PostgreSQL blocking-chain collector
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cc31b11
darling: report a PostgreSQL target honestly at pre-flight
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2f9d0fe
darling: let a PostgreSQL target survive its own registration
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f18b481

Commits on Aug 12, 2026