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Engineering, product, and migration deep dives

From CDC internals to customer case studies — everything we're learning about database migrations at scale.

Engineering
How we achieve sub-second CDC latency at scale
A deep dive into the change-data-capture pipeline that powers NoSQLSync's live sync — from MongoDB oplog tailing to PostgreSQL write-ahead log application.
ME
Mats Eriksson
June 12, 2026 · 8 min read
Product
Introducing auto schema mapping: from BSON to SQL in one click
Schema mapping has always been the hardest part of MongoDB migrations. Today we're shipping auto schema inference — powered by statistical sampling across your entire collection.
PN
Priya Nair
May 28, 2026 · 5 min read
Case Study
How Acme Corp migrated 4 TB of MongoDB to Aurora in 72 hours
When Acme Corp's PostgreSQL rewrite was six months behind schedule, their platform team turned to NoSQLSync. Here's exactly what they did.
CV
Carlos Vega
May 14, 2026 · 12 min read
Engineering
Zero-downtime migrations: lessons from 10,000 production jobs
After processing tens of thousands of migrations, we've learned a lot about what breaks. This post catalogs the most common failure modes and how NoSQLSync handles each one.
ME
Mats Eriksson
April 30, 2026 · 10 min read
Product
NoSQLSync 1.4: webhook integrations and real-time alerting
Migration jobs now emit lifecycle events to any webhook endpoint. Connect to Slack, PagerDuty, or your own systems — or use our new native Slack app.
PN
Priya Nair
April 15, 2026 · 4 min read
Company
Why we built NoSQLSync: the migration story we never want you to repeat
Our founders spent six months and two production incidents migrating a 2 TB MongoDB cluster. This is the post-mortem that became a product.
DO
Dara Okonkwo
March 8, 2026 · 7 min read
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