Agree, there might not be ops team as well, it is dev ops culture. No one in team was brave enough to take the risk. I am sure there are no units test as well to ensure nothing breaks.
This might be a good case study for dying traditional form of online media. Credit goes to random dance of Google SERP. As per Alexa, search traffic (for macworld.com) is gone down from 50% to 30% of total traffic, in three months. Google decided to do a (un)fair distribution of traffic.
Niche content companies should remain lean to survive.
Use Aerospike only if you are ready to buy enterprise edition. Jepsen test results are applicable to enterprise edition only.