[atombender]

Apparently Facebook is not using Cassandra much. For their messaging project they ended up with HBase instead of Cassandra [1]. I don't know if the system replaced the earlier Cassandra system, or complemented it.

[1] http://nosql.mypopescu.com/post/1583884165/facebook-the-unde...

[zht]

It has been replaced entirely

[1] https://www.facebook.com/notes/facebook-engineering/inside-f...