Lessons from scaling PostgreSQL queues to 100K events

PostgreSQL juggles 100,000 events per second. Just needs some index wizardry and query twerking. The problem? Table bloat and Write Amplification. Gross.

Enter the mighty COPY—it bulldozes through bulk data, politely ignoring the usual Insert drag. And those recursive CTEs? They pull off loose index scans, giving performance a sly nod minus the native support.