> My gripe with all CI systems is that an an industry standard we've universally sacrificed performance for hermeticity and re-entrancy, even when it doesn't re

> My gripe with all CI systems is that an an industry standard we've universally sacrificed performance for hermeticity and re-entrancy, even when it doesn't really gives us a practical advantage. The perceived practical advantage is the incremental confidence that the thing you built won't blow up in production. > even with caching, COW, and other optimizations Many CI systems do employ caching. For example, Circle.