It's not that hard. The harder thing is actually using it properly and not trying to use it like it's a SQL database. Your application needs to be aware of th

It's not that hard. The harder thing is actually using it properly and not trying to use it like it's a SQL database. Your application needs to be aware of things like tombstones and you have to model your data properly so you can have efficient queries and not run into problems with deletions. The operational side is pretty easy. There's a few things like compactions and repairs that need to be run periodically. The tooling all in all is pretty good. Java/JVM can be annoying sometimes though.