Antoine Girbal's Corner: How to use MongoDB as a pure in-memory DB (Redis style)
The idea
There has been a growing interest in using MongoDB as an in-memory database, meaning that the data is not stored on disk at all. This can be super useful for applications like:
- a cache in front of a slower RDBMS system
- embedded systems
- PCI compliant systems where no data should be…
Reblogged from Antoine Girbal's Corner
The MongoDB NoSQL Database Blog: New Hash-based Sharding Feature in MongoDB 2.4
Lots of MongoDB users enjoy the flexibility of custom shard keys in organizing a sharded collection’s documents. For certain common workloads though, like key/value lookup, using the natural choice of _id as a shard key isn’t optimal because default ObjectId’s are ascending, resulting in poor…
Reblogged from The MongoDB NoSQL Database Blog
