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.
>


Reply via email to