pgbench performance is lagging compared to Linux and DragonflyBSD?

[Nikolay Denev]

On Nov 8, 2012, at 12:56 PM, Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl> wrote:

>> EC> That thread starts here:
>> EC> http://lists.freebsd.org/pipermail/freebsd-arch/2010-April/010143.html
>> Year 2010! And we still limited by MAXPHYS (128K) transfers :(
> put
> options         MAXPHYS=2097152
> in your kernel config.
> 
> EVERYTHING works in all production machines for over a year
> 
> 
> the only exception is my laptop with OCZ petrol SSD that hangs on any transfer >1MB, i've set it to 0.5MB here.

Have you measured the performance increase?
I'm also interested in bigger MAXBSIZE as this is what the NFS server uses as maximum transfer size. Linux and Solaris can do up to 1MB.