but don't lose sight of your real goals
This is a fun parable from famous web performance guru Steve Souders (formerly working at Yahoo and currently at Google). It’s part of his lengthy but excellent video on web front-end latency (~31 minutes in). An office building owner receives escalating complaints from his tenants about how long they have
make sure HA complexity doesn't REDUCE your stability
bullet points don't promote empathy. Cat pics only slightly better.