Dirk Heinrichs <[email protected]> wrote: > Am Freitag 14 August 2009 10:50:45 schrieb Joerg Schilling: > > > Note that on Linux you may need to add "-no-fsync" because file I/O is slow > > on Linux. On Solaris, not using -no-fsync slows things down by aprox. 10% > > but allows star to grant that everything was really copied to stable > > storage. On Linux, ot using -no-fsync slows things down by aprox. 400%, > > this is why I recommend to add "-no-fsync". > > This is also quite interesting. Do you have some (links to) recent benchmarks > which would second that? Could this even be depending on the filesystem used > on > Linux?
I did this test aprox. 3-4 years ago. You may try to do an own test and report. I did just rerun a test on a recent ubuntu in a VirtualBox environment and the speedup factor with -no-fsync was 8x. Jörg -- EMail:[email protected] (home) Jörg Schilling D-13353 Berlin [email protected] (uni) [email protected] (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily
