#23232 support "PRAGMA synchronous=OFF" design from mypy Issue created by cburroughs python/mypy#21184 This is a fine design for a cache, but if we ended up with corrupt files in the named_cache in a CI node or whatnot, our "blast radius" is somewhat wider. We are already doing a cp/mv dance, so it would not be hard to make sure we

fsync

before copying back to the named cache. pantsbuild/pants