Eatmydata.ai

eatmydata is an LD_PRELOAD library that intercepts and disables fsync, fdatasync, sync, and related calls at the process level — without modifying the application or the kernel. Drop it in front of any command and disk operations that normally wait for write confirmation return immediately. The win is real in CI: package manager installs and SQLite-backed test suites run measurably faster because they stop waiting on durability guarantees that only matter if the machine loses power mid-operation. The tool is available as a Debian package and as an open-source library you can compile yourself.