How teams scaled MongoDB: 3 real case studies
3 of the 73 engineering write-ups in our database mention MongoDB in their stack. They come from 2 companies (Stripe and Discord) and were published between 2017 and 2024. 2 of the 3 state concrete scale numbers, for example "1.5 PB" (Stripe). Each card below links to our short summary and the original post.
Stripe · 2024
How Stripe's document databases supported 99.999% uptime with zero-downtime data migrations
Stripe's DocDB and its Data Movement Platform move data between shards without downtime.
Stripe · 2017
Online migrations at scale
Stripe's four-step dual-write playbook for migrating data models without downtime.
Discord · 2017
How Discord Stores Billions of Messages
Early story of Discord outgrowing MongoDB and moving messages to Cassandra with a channel+time-bucket partition key.
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