In this chapter, we covered some areas that were not detailed in previous chapters. It is important to apply best practices according to our workload requirements. Read performance is usually what we want to optimize for, and this is why we discussed consolidating queries and denormalization of our data.
Operations are also important when we go from deployment to ensuring the continuous performance and availability of our cluster.
Security is something that we don't think about until it affects us. This is why we should invest the time beforehand in planning, to make sure that we have the measures we need in place to be sufficiently secure.
Finally, we introduced the concept of checklists to keep track of our tasks and make sure we complete all of them before major operational events (deployment, cluster upgrades, moving to sharding from replica sets, and so on).
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