His test amounts to inserting integers without even simulating a network partition. This is about the most basic test of the purported functionality you could c

His test amounts to inserting integers without even simulating a network partition. This is about the most basic test of the purported functionality you could come up with, not a fencepost error or some cosmetic problem. This is advertising a fundamental property of your software and not even doing the most minimal checking that it is true. Databases are and must be held to a higher standard than the software sitting above them in the stack, just as kernels must be held to an even higher standard, because bugs in lower layers cause more damage with higher costs. DBAs and commercial databases are expensive because data is valuable and there are liabilities. If the database developer made a remark like yours, I would run in the opposite direction. A smug reply like that exposes a fundamental disrespect for other people's data--their property. If one has no respect for our property, one shouldn't find it surprising that we have no respect for one's software or services. I note and appreciate that the Cassandra developer's reply below is even-handed and serious.