Re: multibyte performance

> > With multibyte support(first column is the concurrent user, second is
> > the TPS):
> ...
> > 32 95.947363
> > 64 92.718780
> > 128 61.725883
> > 
> > Witout multibyte support:
> ...
> > 32 92.283645
> > 64 86.936559
> > 128 87.584099
> 
> Do you have any theory why multibyte passes non-mb at 128 ?
> 
> Some subtle timing thing perhaps (or just bad luck for non-mb at 128)?

May be or may not be. I was anxious about the load module size and
thought it might stress the memory. So while running pgbench I checked
the memory usage using vmstat. However it showed no excess page
in/page out...
--
Tatsuo Ishii