It also seems like a dark deployment of your new cluster is a great method
for testing the Linux-based systems *before* switching your mision critical
traffic over. Monitor them for a while with real traffic and you can have
confidence that they'll function correctly when you perform the switchover
We used a modified version of Ran's embedded Cassandra for a while:
http://prettyprint.me/2010/02/14/running-cassandra-as-an-embedded-service/which
worked well for us. You have way more control over that.
Recently, we switched to having a single Cassandra installation that runs
all the time. Kind
