Improving MiriCanvas's performance by 50% and costs by 30% with Amazon DocumentDB

TL;DR AI
2 min readKey summary
MiriCanvas moved from MongoDB Atlas to Amazon DocumentDB to remove IOPS limits and reduce database costs.
After compatibility checks and query/index tuning, the team reported about 50% better performance.
The migration also cut costs by roughly 30% while supporting a real-time collaborative editing workload.
The case highlights how MongoDB-compatible services can ease bottlenecks in large-scale, concurrent editing systems.
