Hi! Maybe this is your case : "Forced Writes Performance impact on #Ubuntu with ext4 no barrier"
http://www.firebirdnews.org/?p=6421 --- In firebird-support@yahoogroups.com, "aalliana" <aalliana@...> wrote: > > Hello, > > I'm trying to upgrade a box running ubuntu + firebird that has been running > for a while. > > The old box has Ubuntu 8.04 + firebird 2.1.1 SS running on dual core > hardware. > The new box has Ubuntu 10.04 + firebird 2.1.4 SS running on a 8 core > hareware. > > I undestand that there are too many variables involved, but is hard to > maintain all systems the same to perform the tests. > > After performing many tests using a profiler, I arrived to the conclusion > that the commits take a lot longer on the new hardware configuration. > Everything is running faster but commiting takes longer. > > The hard disk hardware is better, a 7200 RMP SATA drive. > > Does anybody have any suggestions? > > PS: On the new hardware, I first installed firebird 2.1.4 Classic, because > of lousy performance I changed it to SS. > > Thanks in advance. >