On Mon, Oct 17, 2022 at 05:38:37AM -0500, Greg Stein wrote: > Did you run any tests to observe the alleged contention?
I was the victim of it, with a server showing processes awaiting for fcntl() to give a lock on DAVLockDB, and users complaining anything takes ages. > The dbm database is very fast. I'd be surprised that contention occurs in > any typical workload. dbm is fast once you have it open. mod_dav_fs opens DAVLockDB on each HTTP request, then it acquire a filesystem level lock on it. This is where contenton occurs. -- Emmanuel Dreyfus m...@netbsd.org
