Every PagerDuty alert gets a root cause analysis in seconds

Insight via Spring Agents | springagents.tech Root Cause Assessment Database connection pool exhausted on primary Postgres replica. The connection limit (max_connections=100) was reached due to a spike in long-running queries triggered by a batch job at 14:32 UTC. Impact API gateway returning 503 errors to approximately 30% of requests. Payment processing service affected — customer-facing checkout failures reported. Recommended Actions 1. Terminate the runaway batch queries: SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE state = 'active' AND query_start < NOW() - INTERVAL '5 minutes';
2. Increase connection pool limit temporarily
3. Reschedule batch jobs to off-peak window
4. Add connection pooling via PgBouncer to prevent recurrence Severity Assessment PagerDuty urgency: HIGH — Accurate. Customer-facing revenue impact confirms high severity.