PostgreSQL Exporter Quickstart and Dashboard

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This dashboard monitors PostgreSQL performance and health by visualizing core DB metrics derived from the exporter. It highlights transactional throughput and I/O activity, with key panels such as QPS (queries per second) and Conflicts/Deadlocks to surface contention, as well as Cache hit ratio to assess cache efficiency. Other notable metrics include activity counters like pg_stat_database_tup_fetched/inserted/updated/deleted and background writer activity via pg_stat_bgwriter_buffers_alloc, providing insight into write amplification and I/O bottlenecks.