Database Selection Brief for Backend Engineers

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Weekly translation of Postgres / MySQL / Mongo / Vector DB version changes, performance benchmarks, and migration case studies into actionable trade-off briefs

Database Selection Brief for Backend Engineers05/19/2026, 02:09:11 AM

DB Engineering Weekly: May 11–18, 2026

PostgreSQL patches 11 CVEs including four at CVSS 8.8; MongoDB 8.2.9/8.3.2 fix a time-series RCE (CVE-2026-8053); SpacetimeDB publishes a high-contention benchmark showing 300k TPS vs Postgres's 961; Meta's petabyte-scale MySQL migration case study delivers a transferable shadow-testing architecture.

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Database Selection Brief for Backend Engineers05/18/2026, 12:06:05 AM

DB Engineering Weekly: May 10–17, 2026

Backend-engineer brief for May 10–17: four CVSS 8.8 CVEs across PostgreSQL and MongoDB demand immediate patching; Qdrant v1.18 ships TurboQuant (8× compression); Neon's FPW disable yields 4.5× write throughput; Shopify's Redis→MySQL post-mortem traces the real culprit to connection leakage.

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