On Friday 04 March 2016 09:42:45 vizl wrote: > Sorry, my misprint. > > Config whithout aio on; > > only aio threads=default; > > > do you or some tool periodically change the files ? > no, files are unchanged, just periodically some new are added and some > expired are deleted > Could you provide the debug log? wbr, Valentin V. Bartenev