Re: Shared memory

[Thomas Hallgren <thomas(at)tada(dot)se>]

Tom Lane wrote:
> Thomas Hallgren <thomas(at)tada(dot)se> writes:
>   
> > Tom Lane wrote:
> >     
> > > It's only that much difference?  Given all the other advantages of
> > > separating the JVM from the backends, I'd say you should gladly pay
> > > that price.
> > >
> > >       
> > If I'm right, and the most common scenario is clients using connection pools, then it's very 
> > likely that you don't get any advantages at all. Paying for nothing with a 440% increase in 
> > calling time (at best) seems expensive :-)
> >     
>
> You are focused too narrowly on a few performance numbers.  In my mind
> the primary advantage is that it will *work*.  I do not actually believe
> that you'll ever get the embedded-JVM approach to production-grade
> reliability, because of the fundamental problems with threading, error
> processing, etc.
>   
My focus with PL/Java over the last year has been to make it a 
production-grade product and I think I've succeeded pretty well. The 
current list of open bugs is second to none. What fundamental problems 
are you thinking of that hasn't been solved already?

Regards,
Thomas Hallgren