23m ago 路 15 min read 路 In Q3 2026, our 12-person engineering team at a Series C fintech startup eliminated $42,000 per month in database spend by migrating our core transactional workload from MongoDB 7.0 to PostgreSQL 17. No downtime, no data loss, and p99 read latency dr...
Join discussion40m ago 路 19 min read 路 In 2026, read-heavy NoSQL workloads dominate 72% of new SaaS deployments, yet choosing between self-managed MongoDB 8 and fully managed Firebase remains a top pain point for 68% of backend teams we surveyed at QCon London last month. 馃摗 Hacker News T...
Join discussion57m ago 路 17 min read 路 For RAG (Retrieval-Augmented Generation) workloads processing 12 million vector embedding queries daily, PostgreSQL 17鈥檚 optimized pgvector 0.6.0 extension delivers 2.3x lower p99 latency than MongoDB 8鈥檚 native vector search, at 1/5th the infrastruc...
Join discussion1h ago 路 17 min read 路 IoT fleets now push 12 trillion sensor writes daily, but 68% of teams overspend on NoSQL throughput by picking the wrong engine. We benchmarked MongoDB 8.0, DynamoDB 2026, and Cassandra 5.0 across 1.2M writes/sec workloads to find the winner. 馃摗 Hack...
Join discussion1h ago 路 17 min read 路 At 14:37 UTC on October 17, 2024, our production monitoring stack lit up with 12,400 500 Internal Server Errors in 60 seconds, impacting 20,000 active users across 14 sharded MongoDB 9.0 clusters. The root cause wasn鈥檛 a bad deployment, a network par...
Join discussion2h ago 路 16 min read 路 For 15 years, I鈥檝e been a PostgreSQL loyalist. I鈥檝e contributed to the pg_stat_statements extension, migrated 40+ legacy systems to Postgres, and written 12 articles for InfoQ and ACM Queue praising its reliability, extensibility, and JSONB capabilit...
Join discussion2h ago 路 24 min read 路 After 18 months of fighting MongoDB 8.0's unpredictable p99 latencies, constant index rebuild downtime, and a monthly cloud bill that grew 22% month-over-month, we migrated our 12TB event-sourcing workload to PostgreSQL 17 with Redis 8.0 as a read ca...
Join discussion2h ago 路 18 min read 路 In 2026, mobile backends handle 47% more concurrent requests than 2024, with 62% of teams citing database latency as their top performance bottleneck. Our 12-week benchmark of MongoDB 7.0 and Firebase Firestore 10.0 reveals a 3.2x throughput gap that...
Join discussion5h ago 路 17 min read 路 In 2024, 62% of engineering teams migrating from NoSQL to relational stores reported data loss during migration (per Gartner), but with AWS DMS 3.5鈥檚 native MongoDB 7.0 and PostgreSQL 17 support, we hit 0 bytes lost across 12TB of production data in ...
Join discussion5h ago 路 17 min read 路 Three months ago, our payment processing pipeline started throwing 10% latency spikes every 15 minutes. MongoDB 6.0鈥檚 aggregation-heavy workloads were choking on 12TB of transactional data, and after 72 hours of on-call firefighting, we made the call...
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