On Thu, Oct 28, 2021 at 12:21:02AM +0000, Eric Wong wrote: > "core.fsync" and the "GIT_FSYNC" environment variable now exist > for disabling fsync() even on packfiles and other critical data. > > Running "make test -j8 NO_SVN_TESTS=1" on a noisy 8-core system > on an HDD, adding "GIT_FSYNC=0" to the invocation brings my test > runtime from ~4 minutes down to ~3 minutes. > > SVN interopability tests are minimally affected since SVN will > still use fsync in various places. > > This will also be useful for 3rd-party tools which create > throwaway git repositories of temporary data. Do you mostly just care about the tests, or is the third-party tool support important to you? I ask because most of us switched to running the tests with --root=/some/tmpfs long ago to achieve the same speedup. -Peff
