Beautiful!

Thanks for the tip.

After disabling barriers commits that were taking 4 s take virtually no time at all.

I'm wondering what would the consequences would be if I keep the barriers disabled on a production environment.

Thanks a lot.

--- In firebird-support@yahoogroups.com, "ma_golyo" <ma_golyo@...> wrote:
>
> 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.
> >
>