Cloudant Review

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Review of Cloudant powered by the Slant community.

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Pros

Pro
Can replicate the database across several hosts

You can choose to host your database on a single cloud provider or you can replicate it over several different providers.

Pro
Runs on both bare-metal and virtual machine

Users can choose whether their database instance will run on bare-metal or a virtual machine

Pro
Crash friendly

The database behind Cloudant, CouchDB uses an append-only file for it's data. To restore already used up space, a compaction must happen. When this happens is up to the database maintainer.

Pro
Cloud agnostic

Cloudant hosts databases with a lot of different cloud hosting providers including Amazon, Rackspace, SoftLayer and Microsoft Azure. This way customers can choose where their database is hosted.

Cons

Con
Can only achieve consistency through replication and verification

Since CouchDB is considered an AP (Available, Partition-Tolerant database management system), it is not really consistent (not all clients can have the same view of the data consistently) and the only way to achieve some "eventual consistency" is through replication and verification of data.