- MAY 2026
Postgres + pgvector → RedDB: a migration playbook with wall-clock numbers
A step-by-step playbook for moving a production Postgres + pgvector workload to RedDB — dual-write, embedding backfill, query translation, cutover, rollback — with measured timings from a 12M-row test corpus and the three places teams trip over.
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When NOT to migrate: a checklist
The companion piece to every migration post. A decision tree for staying on your current stack — team size, pain quantification, runway — so you do not pay migration tax for a problem you did not have.
- APR 2026
MongoDB → RedDB: the queries that change shape
Idiomatic translations from MongoDB to RedDB for the patterns that actually appear in production code — aggregation pipelines, change streams, GridFS, and the three places where the literal translation is wrong.
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Out of Firebase, into a real backend
A migration playbook for teams that outgrew Firebase — auth bridge, Firestore doc model, security rules, real-time — and an honest look at what you lose when the magic console goes away.